From patchwork Mon Sep 9 19:29:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 13797479 X-Patchwork-Delegate: kvalo@adurom.com Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 94133187856; Mon, 9 Sep 2024 19:30:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=85.214.62.61 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725910260; cv=none; b=C1fTDK9sOq+KGSR53b8J6f71BRgb6wlTl3oKgglSO8gaiORFEwZw5bXAaG9PNc+AGbi5wfIDMwaBfe5YqHQ1i/YlRLhZvOCYjDZ2kTMtzH7Cxo2yg63zt8grVHCzUg+n/aAhXxBiXWC8Bnlca2KJVfbOsuGVOK1Ju5t1gupXbsE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725910260; c=relaxed/simple; bh=YjTqvMzagJuYOyJovCgcMuy1VZe1LKi1pVIbHww1TFc=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=DWlrcAjt05HI9Y9IOQYTnWBzXYMCzdO8F6Z/x+DOYYl7ZCKyGZ82hqsPIauumTL/LWx26WbcKU1EDPccR4y8dxUL9Z99/XRpSmtuH7RbnsT/btrmgNg0qXmBe0LY7Sx6vwEmX2X6N/9zjrpWhknpKTdPv/I3MTgeVTWxlb2roTg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=denx.de; spf=pass smtp.mailfrom=denx.de; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.b=CjU9oRyB; arc=none smtp.client-ip=85.214.62.61 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=denx.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=denx.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.b="CjU9oRyB" Received: from tr.lan (ip-86-49-120-218.bb.vodafone.cz [86.49.120.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 0DF3688E22; Mon, 9 Sep 2024 21:30:53 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1725910253; bh=uh5AN6xDKGE1pzc2KNoilnB4rzgHoJXgd2N+hYXJPcg=; h=From:To:Cc:Subject:Date:From; b=CjU9oRyBgMnnDPUNHce+OXT2tiF+ffA3mGOwE793g72W4CTOrh/aN+5+bCa3Lonfc D4F65NF2q3wpLsw9jAMnHpKDagujGnZvyUmcTpSt+IpZyOoT1KlOCek2Kj/QlGA26V jt1tJA2aA9f66sBOvI92nOOHMblPg8DB1xKk+vZfd4LJ530ozj5BLVxhERsdT4UK6b 2elbjnRaF3wHZTa1JWwCDaoy3uwo8jOAQsGay4wTL4nrpwRCTxff9URo++skatbuRB 8f7fNqXbkrKbQf5p6hOa3xMFK1AtZmZBeSZ6TRvWHn/FXZvFLmmIYPIFGic/Pi2PJe CRx8f6GyNNLpg== From: Marek Vasut To: linux-wireless@vger.kernel.org Cc: Marek Vasut , Krzysztof Kozlowski , "David S. Miller" , Adham Abozaeid , Ajay Singh , =?utf-8?q?Alexis_Lothor=C3=A9?= , Claudiu Beznea , Conor Dooley , Eric Dumazet , Jakub Kicinski , Kalle Valo , Krzysztof Kozlowski , Paolo Abeni , Rob Herring , devicetree@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v5 1/9] dt-bindings: wireless: wilc1000: Document WILC3000 compatible string Date: Mon, 9 Sep 2024 21:29:42 +0200 Message-ID: <20240909193035.69823-1-marex@denx.de> X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Document compatible string for the WILC3000 chip. The chip is similar to WILC1000, except that the register layout is slightly different and it does not support WPA3/SAE. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Marek Vasut --- Cc: "David S. Miller" Cc: Adham Abozaeid Cc: Ajay Singh Cc: Alexis Lothoré Cc: Claudiu Beznea Cc: Conor Dooley Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Kalle Valo Cc: Krzysztof Kozlowski Cc: Paolo Abeni Cc: Rob Herring Cc: devicetree@vger.kernel.org Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org --- V2: - Use WILC1000 as fallback compatible string for WILC3000 V3: - Swap the wilc1000/wilc3000 compatible order V4: - Add RB from Krzysztof V5: No change --- .../bindings/net/wireless/microchip,wilc1000.yaml | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000.yaml b/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000.yaml index 2460ccc082371..5d40f22765bb6 100644 --- a/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000.yaml +++ b/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000.yaml @@ -16,7 +16,11 @@ description: properties: compatible: - const: microchip,wilc1000 + oneOf: + - items: + - const: microchip,wilc3000 + - const: microchip,wilc1000 + - const: microchip,wilc1000 reg: true From patchwork Mon Sep 9 19:29:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 13797478 X-Patchwork-Delegate: kvalo@adurom.com Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0A3EC1F95E; Mon, 9 Sep 2024 19:30:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=85.214.62.61 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725910260; cv=none; b=rxDKlssGTshwOSXdHhLUEtptdPESMN1g7edNijZ32NH8ZaYbRDJhYzuO0J3fsScnk4RUbtvQprv1Tu9yD+aOsBxixoYSiqFFYK0aV60/Vcynk3pV+5S+/KrnS6xcOU2DedK99qjzvHCzfB4A5d4hv3CNuedBiVygh3O9UiGw5z0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725910260; c=relaxed/simple; bh=iokOo+PhBlIaVNErkupMtXloPRh2USm37KWLTzanwdE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=X7ZqmNer/iJPg8WZE6I3/YjjHlKFD0oT9FnGNGZdx3RpwRA/3Z0eLIV1gSZBNxvKtpiMp2igObt6N9nskym7liXquoKPI91wPMZr1uGelObAefj1R9ICHoyU7LhmjpEgFBACZYzq19Q9mHWN9j2Zn7V+svuX6n5FNWfV/lJFjMY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=denx.de; spf=pass smtp.mailfrom=denx.de; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.b=frr+wnxa; arc=none smtp.client-ip=85.214.62.61 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=denx.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=denx.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.b="frr+wnxa" Received: from tr.lan (ip-86-49-120-218.bb.vodafone.cz [86.49.120.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id AEC4A889C9; Mon, 9 Sep 2024 21:30:53 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1725910254; bh=Ppjknz8vACyetV9qeYp1OK3LmMJOUwsD5yzT8dQtZ+w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=frr+wnxaL8wodN8PG4js5g+Tbf8hL2YaDDtCIHDCSUzxo+O7R5Z0g7Za8IEjycHYL DjTuT9OTY09UzDC+dYsj8x0jO2awBR1uaPoEXBgbLn4SdxFgwajepFfkLCqyRX/bcp xoUhzQaLOABUr17A/6z2aQUciEBczJNeargC+4VuoI9z3v6g9in2aLuZ1kQc5xkkt7 fBcVDR1GhFkaV573XIulT6tnkONWLa2F4t43XVDJJ8faTGkFE2jtYCCEiohsjSTNbN YzakP07J75dr307iTr/fY0Zsr175hU6lViCE3YOz2vkJ+sqrsmMyfadOZRZB4am/Vl OxBZnF05aibwQ== From: Marek Vasut To: linux-wireless@vger.kernel.org Cc: Marek Vasut , =?utf-8?q?Alexis_Lothor=C3=A9?= , "David S. Miller" , Adham Abozaeid , Ajay Singh , Claudiu Beznea , Conor Dooley , Eric Dumazet , Jakub Kicinski , Kalle Valo , Krzysztof Kozlowski , Paolo Abeni , Rob Herring , devicetree@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v5 2/9] wifi: wilc1000: Fold wilc_get_chipid() into wlan.c Date: Mon, 9 Sep 2024 21:29:43 +0200 Message-ID: <20240909193035.69823-2-marex@denx.de> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240909193035.69823-1-marex@denx.de> References: <20240909193035.69823-1-marex@denx.de> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Do not use wilc_get_chipid() outside of wlan.c . Instead, call wilc_get_chipid() right after the SDIO/SPI interface has been initialized to cache the device chipid, and then use the cached chipid throughout the driver. Make wilc_get_chipid() static and remove its prototype from wlan.h . Make wilc_get_chipid() return a proper return value instead of a chipid. Reviewed-by: Alexis Lothoré Signed-off-by: Marek Vasut --- Cc: "David S. Miller" Cc: Adham Abozaeid Cc: Ajay Singh Cc: Alexis Lothoré Cc: Claudiu Beznea Cc: Conor Dooley Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Kalle Valo Cc: Krzysztof Kozlowski Cc: Paolo Abeni Cc: Rob Herring Cc: devicetree@vger.kernel.org Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org --- V2: New patch V3: - Undo setup in wilc_wlan_init() if chip is neither wilc1000 or wilc3000 - Make wilc_get_chipid() return proper return value V4: - Drop wilc_get_chipid() from netdev.c - Add RB from Alexis V5: No change --- .../net/wireless/microchip/wilc1000/netdev.c | 6 +- .../net/wireless/microchip/wilc1000/sdio.c | 13 ---- .../net/wireless/microchip/wilc1000/wlan.c | 74 +++++++++++-------- .../net/wireless/microchip/wilc1000/wlan.h | 1 - 4 files changed, 46 insertions(+), 48 deletions(-) diff --git a/drivers/net/wireless/microchip/wilc1000/netdev.c b/drivers/net/wireless/microchip/wilc1000/netdev.c index 9ecf3fb29b558..086e70d833e06 100644 --- a/drivers/net/wireless/microchip/wilc1000/netdev.c +++ b/drivers/net/wireless/microchip/wilc1000/netdev.c @@ -195,13 +195,13 @@ static int wilc_wlan_get_firmware(struct net_device *dev) { struct wilc_vif *vif = netdev_priv(dev); struct wilc *wilc = vif->wilc; - int chip_id; const struct firmware *wilc_fw; int ret; - chip_id = wilc_get_chipid(wilc, false); + if (!is_wilc1000(wilc->chipid)) + return -EINVAL; - netdev_info(dev, "ChipID [%x] loading firmware [%s]\n", chip_id, + netdev_info(dev, "WILC1000 loading firmware [%s]\n", WILC1000_FW(WILC1000_API_VER)); ret = request_firmware(&wilc_fw, WILC1000_FW(WILC1000_API_VER), diff --git a/drivers/net/wireless/microchip/wilc1000/sdio.c b/drivers/net/wireless/microchip/wilc1000/sdio.c index 41122199d51eb..90357c89ae29b 100644 --- a/drivers/net/wireless/microchip/wilc1000/sdio.c +++ b/drivers/net/wireless/microchip/wilc1000/sdio.c @@ -671,7 +671,6 @@ static int wilc_sdio_init(struct wilc *wilc, bool resume) struct wilc_sdio *sdio_priv = wilc->bus_data; struct sdio_cmd52 cmd; int loop, ret; - u32 chipid; /** * function 0 csa enable @@ -760,18 +759,6 @@ static int wilc_sdio_init(struct wilc *wilc, bool resume) return ret; } - /** - * make sure can read back chip id correctly - **/ - if (!resume) { - ret = wilc_sdio_read_reg(wilc, WILC_CHIPID, &chipid); - if (ret) { - dev_err(&func->dev, "Fail cmd read chip id...\n"); - return ret; - } - dev_err(&func->dev, "chipid (%08x)\n", chipid); - } - sdio_priv->isinit = true; return 0; } diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.c b/drivers/net/wireless/microchip/wilc1000/wlan.c index 533939e71534a..5b7dd37267de0 100644 --- a/drivers/net/wireless/microchip/wilc1000/wlan.c +++ b/drivers/net/wireless/microchip/wilc1000/wlan.c @@ -1402,9 +1402,37 @@ int wilc_send_config_pkt(struct wilc_vif *vif, u8 mode, struct wid *wids, return ret; } +static int wilc_get_chipid(struct wilc *wilc) +{ + u32 chipid = 0; + u32 rfrevid = 0; + + if (wilc->chipid == 0) { + wilc->hif_func->hif_read_reg(wilc, WILC_CHIPID, &chipid); + wilc->hif_func->hif_read_reg(wilc, WILC_RF_REVISION_ID, + &rfrevid); + if (!is_wilc1000(chipid)) { + wilc->chipid = 0; + return -EINVAL; + } + if (chipid == WILC_1000_BASE_ID_2A) { /* 0x1002A0 */ + if (rfrevid != 0x1) + chipid = WILC_1000_BASE_ID_2A_REV1; + } else if (chipid == WILC_1000_BASE_ID_2B) { /* 0x1002B0 */ + if (rfrevid == 0x4) + chipid = WILC_1000_BASE_ID_2B_REV1; + else if (rfrevid != 0x3) + chipid = WILC_1000_BASE_ID_2B_REV2; + } + + wilc->chipid = chipid; + } + + return 0; +} + static int init_chip(struct net_device *dev) { - u32 chipid; u32 reg; int ret = 0; struct wilc_vif *vif = netdev_priv(dev); @@ -1412,9 +1440,11 @@ static int init_chip(struct net_device *dev) acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); - chipid = wilc_get_chipid(wilc, true); + ret = wilc_get_chipid(wilc); + if (ret) + goto release; - if ((chipid & 0xfff) != 0xa0) { + if ((wilc->chipid & 0xfff) != 0xa0) { ret = wilc->hif_func->hif_read_reg(wilc, WILC_CORTUS_RESET_MUX_SEL, ®); @@ -1445,34 +1475,6 @@ static int init_chip(struct net_device *dev) return ret; } -u32 wilc_get_chipid(struct wilc *wilc, bool update) -{ - u32 chipid = 0; - u32 rfrevid = 0; - - if (wilc->chipid == 0 || update) { - wilc->hif_func->hif_read_reg(wilc, WILC_CHIPID, &chipid); - wilc->hif_func->hif_read_reg(wilc, WILC_RF_REVISION_ID, - &rfrevid); - if (!is_wilc1000(chipid)) { - wilc->chipid = 0; - return wilc->chipid; - } - if (chipid == WILC_1000_BASE_ID_2A) { /* 0x1002A0 */ - if (rfrevid != 0x1) - chipid = WILC_1000_BASE_ID_2A_REV1; - } else if (chipid == WILC_1000_BASE_ID_2B) { /* 0x1002B0 */ - if (rfrevid == 0x4) - chipid = WILC_1000_BASE_ID_2B_REV1; - else if (rfrevid != 0x3) - chipid = WILC_1000_BASE_ID_2B_REV2; - } - - wilc->chipid = chipid; - } - return wilc->chipid; -} - int wilc_load_mac_from_nv(struct wilc *wl) { int ret = -EINVAL; @@ -1535,9 +1537,19 @@ int wilc_wlan_init(struct net_device *dev) if (!wilc->hif_func->hif_is_init(wilc)) { acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY); ret = wilc->hif_func->hif_init(wilc, false); + if (!ret) + ret = wilc_get_chipid(wilc); release_bus(wilc, WILC_BUS_RELEASE_ONLY); if (ret) goto fail; + + if (!is_wilc1000(wilc->chipid)) { + netdev_err(dev, "Unsupported chipid: %x\n", wilc->chipid); + ret = -EINVAL; + goto fail; + } + + netdev_dbg(dev, "chipid (%08x)\n", wilc->chipid); } if (!wilc->vmm_table) diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.h b/drivers/net/wireless/microchip/wilc1000/wlan.h index dd2fb3c2f06a2..ae187192a79c6 100644 --- a/drivers/net/wireless/microchip/wilc1000/wlan.h +++ b/drivers/net/wireless/microchip/wilc1000/wlan.h @@ -443,6 +443,5 @@ void chip_wakeup(struct wilc *wilc); int wilc_send_config_pkt(struct wilc_vif *vif, u8 mode, struct wid *wids, u32 count); int wilc_wlan_init(struct net_device *dev); -u32 wilc_get_chipid(struct wilc *wilc, bool update); int wilc_load_mac_from_nv(struct wilc *wilc); #endif From patchwork Mon Sep 9 19:29:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 13797476 X-Patchwork-Delegate: kvalo@adurom.com Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 529A654278; Mon, 9 Sep 2024 19:30:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=85.214.62.61 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725910258; cv=none; b=ELTN9D7+4579J3svsompwNtyXb0kfydb7T1BI2/WVOH245rguOS74qJZl+EjOrM+OxU8ZUKaZVnyq/IvdiiuYt6UEOvxg1k9GU2GuCFZFYlbXkPTpoLCAPMU+hJJC2U2I5iTa44kIZ78VD6uEnKW0qlybpAEZcpK3S03OfchZ4I= ARC-Message-Signature: i=1; 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Mon, 9 Sep 2024 21:30:54 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1725910254; bh=/XXpCFsK+/vXumao/BTZm/NVu5PoJrUWn4nPaw2TDaA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LG4IeG2n96Xndwu4pZz1AemrEIq+l6/PNgKS53gxcFL0CsZSDFvHsRaX6dgvaB7P9 Mn8WPtGfwU7v3eRpEUFuR69aCw7kZrztlRGVtXJo/+lR5zR0OgDqYMAxGc7eGmnbQ9 J98AfVM/97nVlrJ7ukY9l1b9L2W36Z4SNRA1BqJwHlg8Hwg2FCAHbD2guU9cVka8er 1MlCkXmCJ47BL++dWa/tnZcO8lHOg0Str3/JVHS45dqM4wgydoZ+arRUx6VtdhbQdg ATcSoqTSuv2/3iA69qPrYYEULJs1pZ3KsMw0/mnOIC/BtWBC+coqrpf4YzTCu2HHjp sEyFVgChz5AWQ== From: Marek Vasut To: linux-wireless@vger.kernel.org Cc: Marek Vasut , =?utf-8?q?Alexis_Lothor=C3=A9?= , "David S. Miller" , Adham Abozaeid , Ajay Singh , Claudiu Beznea , Conor Dooley , Eric Dumazet , Jakub Kicinski , Kalle Valo , Krzysztof Kozlowski , Paolo Abeni , Rob Herring , devicetree@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v5 3/9] wifi: wilc1000: Fold chip_allow_sleep()/chip_wakeup() into wlan.c Date: Mon, 9 Sep 2024 21:29:44 +0200 Message-ID: <20240909193035.69823-3-marex@denx.de> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240909193035.69823-1-marex@denx.de> References: <20240909193035.69823-1-marex@denx.de> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Neither chip_allow_sleep()/chip_wakeup() is used outside of wlan.c . Make both functions static and remove both the exported symbol and entries from wlan.h . Make chip_allow_sleep() return error code in preparation for the follow up patches. Move acquire_bus() and release_bus() to avoid forward declaration of chip_allow_sleep()/chip_wakeup(). Reviewed-by: Alexis Lothoré Signed-off-by: Marek Vasut --- Cc: "David S. Miller" Cc: Adham Abozaeid Cc: Ajay Singh Cc: Alexis Lothoré Cc: Claudiu Beznea Cc: Conor Dooley Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Kalle Valo Cc: Krzysztof Kozlowski Cc: Paolo Abeni Cc: Rob Herring Cc: devicetree@vger.kernel.org Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org --- V2: New patch V3: No change V4: Add RB from Alexis V5: No change --- .../net/wireless/microchip/wilc1000/wlan.c | 47 +++++++++---------- .../net/wireless/microchip/wilc1000/wlan.h | 2 - 2 files changed, 23 insertions(+), 26 deletions(-) diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.c b/drivers/net/wireless/microchip/wilc1000/wlan.c index 5b7dd37267de0..d228c5df82628 100644 --- a/drivers/net/wireless/microchip/wilc1000/wlan.c +++ b/drivers/net/wireless/microchip/wilc1000/wlan.c @@ -12,20 +12,6 @@ #define WAKE_UP_TRIAL_RETRY 10000 -static inline void acquire_bus(struct wilc *wilc, enum bus_acquire acquire) -{ - mutex_lock(&wilc->hif_cs); - if (acquire == WILC_BUS_ACQUIRE_AND_WAKEUP && wilc->power_save_mode) - chip_wakeup(wilc); -} - -static inline void release_bus(struct wilc *wilc, enum bus_release release) -{ - if (release == WILC_BUS_RELEASE_ALLOW_SLEEP && wilc->power_save_mode) - chip_allow_sleep(wilc); - mutex_unlock(&wilc->hif_cs); -} - static void wilc_wlan_txq_remove(struct wilc *wilc, u8 q_num, struct txq_entry_t *tqe) { @@ -555,7 +541,7 @@ static struct rxq_entry_t *wilc_wlan_rxq_remove(struct wilc *wilc) return rqe; } -void chip_allow_sleep(struct wilc *wilc) +static int chip_allow_sleep(struct wilc *wilc) { u32 reg = 0; const struct wilc_hif_func *hif_func = wilc->hif_func; @@ -584,7 +570,7 @@ void chip_allow_sleep(struct wilc *wilc) while (--trials) { ret = hif_func->hif_read_reg(wilc, to_host_from_fw_reg, ®); if (ret) - return; + return ret; if ((reg & to_host_from_fw_bit) == 0) break; } @@ -594,28 +580,28 @@ void chip_allow_sleep(struct wilc *wilc) /* Clear bit 1 */ ret = hif_func->hif_read_reg(wilc, wakeup_reg, ®); if (ret) - return; + return ret; if (reg & wakeup_bit) { reg &= ~wakeup_bit; ret = hif_func->hif_write_reg(wilc, wakeup_reg, reg); if (ret) - return; + return ret; } ret = hif_func->hif_read_reg(wilc, from_host_to_fw_reg, ®); if (ret) - return; + return ret; if (reg & from_host_to_fw_bit) { reg &= ~from_host_to_fw_bit; ret = hif_func->hif_write_reg(wilc, from_host_to_fw_reg, reg); if (ret) - return; - + return ret; } + + return 0; } -EXPORT_SYMBOL_GPL(chip_allow_sleep); -void chip_wakeup(struct wilc *wilc) +static void chip_wakeup(struct wilc *wilc) { u32 ret = 0; u32 clk_status_val = 0, trials = 0; @@ -674,7 +660,20 @@ void chip_wakeup(struct wilc *wilc) if (wilc->io_type == WILC_HIF_SPI) wilc->hif_func->hif_reset(wilc); } -EXPORT_SYMBOL_GPL(chip_wakeup); + +static inline void acquire_bus(struct wilc *wilc, enum bus_acquire acquire) +{ + mutex_lock(&wilc->hif_cs); + if (acquire == WILC_BUS_ACQUIRE_AND_WAKEUP && wilc->power_save_mode) + chip_wakeup(wilc); +} + +static inline void release_bus(struct wilc *wilc, enum bus_release release) +{ + if (release == WILC_BUS_RELEASE_ALLOW_SLEEP && wilc->power_save_mode) + chip_allow_sleep(wilc); + mutex_unlock(&wilc->hif_cs); +} void host_wakeup_notify(struct wilc *wilc) { diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.h b/drivers/net/wireless/microchip/wilc1000/wlan.h index ae187192a79c6..e75a5c8aaecec 100644 --- a/drivers/net/wireless/microchip/wilc1000/wlan.h +++ b/drivers/net/wireless/microchip/wilc1000/wlan.h @@ -438,8 +438,6 @@ void wilc_wfi_p2p_rx(struct wilc_vif *vif, u8 *buff, u32 size); bool wilc_wfi_mgmt_frame_rx(struct wilc_vif *vif, u8 *buff, u32 size); void host_wakeup_notify(struct wilc *wilc); void host_sleep_notify(struct wilc *wilc); -void chip_allow_sleep(struct wilc *wilc); -void chip_wakeup(struct wilc *wilc); int wilc_send_config_pkt(struct wilc_vif *vif, u8 mode, struct wid *wids, u32 count); int wilc_wlan_init(struct net_device *dev); From patchwork Mon Sep 9 19:29:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 13797477 X-Patchwork-Delegate: kvalo@adurom.com Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1C029188A2F; 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arc=none smtp.client-ip=85.214.62.61 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=denx.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=denx.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.b="pnPWVeRA" Received: from tr.lan (ip-86-49-120-218.bb.vodafone.cz [86.49.120.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id A458D88E1A; Mon, 9 Sep 2024 21:30:54 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1725910255; bh=17v8tda0x8O7fzN3KhO3Bws+cNMG3cBD/Xqu+2tvEAM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pnPWVeRArcwFbR8GWd/zs9IUTFeIjdYiQjLilU3w89ViSWlKJHqFUrI4fm692A0wz OumSc3qsKI+2d4NFtb7Quv16nQg4szUxCkXk9tIiQsVoja8I6RmzsnVJ8sY8/VcKll 82XIWt+V3FDNL06pUuj07Tzs9Iwh9AhB9V4KME7aYDMp/eIA80eEAkUkqgXEei6j5F 4xnQ2vDoERtsOl6z08eUCOw8bGaXAYQSWaqlQYDWh44YK+JBnEfWYkurEJPCV7Fi7S Rsw3V9uaXCQynIPmRF9QiDAAmHGtjoEkgNIE1kyXvQKyKae9GzJ16I4x1GAi8MphPQ 0gLz14YhtqR1A== From: Marek Vasut To: linux-wireless@vger.kernel.org Cc: Marek Vasut , =?utf-8?q?Alexis_Lothor=C3=A9?= , "David S. Miller" , Adham Abozaeid , Ajay Singh , Claudiu Beznea , Conor Dooley , Eric Dumazet , Jakub Kicinski , Kalle Valo , Krzysztof Kozlowski , Paolo Abeni , Rob Herring , devicetree@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v5 4/9] wifi: wilc1000: Fill in missing error handling Date: Mon, 9 Sep 2024 21:29:45 +0200 Message-ID: <20240909193035.69823-4-marex@denx.de> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240909193035.69823-1-marex@denx.de> References: <20240909193035.69823-1-marex@denx.de> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Add error handling to chip_wakeup() and propagate the errors throughout the entire driver. Add error handling to acquire_bus()/release_bus() and host_sleep_notify()/host_wakeup_notify() functions as a result as well. Fill the error handling to all call sites. Reviewed-by: Alexis Lothoré Signed-off-by: Marek Vasut --- Cc: "David S. Miller" Cc: Adham Abozaeid Cc: Ajay Singh Cc: Alexis Lothoré Cc: Claudiu Beznea Cc: Conor Dooley Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Kalle Valo Cc: Krzysztof Kozlowski Cc: Paolo Abeni Cc: Rob Herring Cc: devicetree@vger.kernel.org Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org --- V3: New patch V4: No change V4: Add RB from Alexis V5: No change --- .../net/wireless/microchip/wilc1000/sdio.c | 11 +- .../net/wireless/microchip/wilc1000/wlan.c | 154 +++++++++++++----- .../net/wireless/microchip/wilc1000/wlan.h | 4 +- 3 files changed, 118 insertions(+), 51 deletions(-) diff --git a/drivers/net/wireless/microchip/wilc1000/sdio.c b/drivers/net/wireless/microchip/wilc1000/sdio.c index 90357c89ae29b..c26447289b71b 100644 --- a/drivers/net/wireless/microchip/wilc1000/sdio.c +++ b/drivers/net/wireless/microchip/wilc1000/sdio.c @@ -960,6 +960,7 @@ static int wilc_sdio_suspend(struct device *dev) { struct sdio_func *func = dev_to_sdio_func(dev); struct wilc *wilc = sdio_get_drvdata(func); + int ret; dev_info(dev, "sdio suspend\n"); @@ -969,7 +970,11 @@ static int wilc_sdio_suspend(struct device *dev) if (!IS_ERR(wilc->rtc_clk)) clk_disable_unprepare(wilc->rtc_clk); - host_sleep_notify(wilc); + ret = host_sleep_notify(wilc); + if (ret) { + clk_prepare_enable(wilc->rtc_clk); + return ret; + } wilc_sdio_disable_interrupt(wilc); @@ -992,9 +997,7 @@ static int wilc_sdio_resume(struct device *dev) wilc_sdio_init(wilc, true); wilc_sdio_enable_interrupt(wilc); - host_wakeup_notify(wilc); - - return 0; + return host_wakeup_notify(wilc); } static const struct of_device_id wilc_of_match[] = { diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.c b/drivers/net/wireless/microchip/wilc1000/wlan.c index d228c5df82628..01476f8ecc36f 100644 --- a/drivers/net/wireless/microchip/wilc1000/wlan.c +++ b/drivers/net/wireless/microchip/wilc1000/wlan.c @@ -601,7 +601,7 @@ static int chip_allow_sleep(struct wilc *wilc) return 0; } -static void chip_wakeup(struct wilc *wilc) +static int chip_wakeup(struct wilc *wilc) { u32 ret = 0; u32 clk_status_val = 0, trials = 0; @@ -630,20 +630,20 @@ static void chip_wakeup(struct wilc *wilc) ret = hif_func->hif_write_reg(wilc, from_host_to_fw_reg, from_host_to_fw_bit); if (ret) - return; + return ret; /* Set wake-up bit */ ret = hif_func->hif_write_reg(wilc, wakeup_reg, wakeup_bit); if (ret) - return; + return ret; while (trials < WAKE_UP_TRIAL_RETRY) { ret = hif_func->hif_read_reg(wilc, clk_status_reg, &clk_status_val); if (ret) { pr_err("Bus error %d %x\n", ret, clk_status_val); - return; + return ret; } if (clk_status_val & clk_status_bit) break; @@ -652,42 +652,63 @@ static void chip_wakeup(struct wilc *wilc) } if (trials >= WAKE_UP_TRIAL_RETRY) { pr_err("Failed to wake-up the chip\n"); - return; + return -ETIMEDOUT; } /* Sometimes spi fail to read clock regs after reading * writing clockless registers */ if (wilc->io_type == WILC_HIF_SPI) wilc->hif_func->hif_reset(wilc); + + return 0; } -static inline void acquire_bus(struct wilc *wilc, enum bus_acquire acquire) +static inline int acquire_bus(struct wilc *wilc, enum bus_acquire acquire) { + int ret = 0; + mutex_lock(&wilc->hif_cs); - if (acquire == WILC_BUS_ACQUIRE_AND_WAKEUP && wilc->power_save_mode) - chip_wakeup(wilc); + if (acquire == WILC_BUS_ACQUIRE_AND_WAKEUP && wilc->power_save_mode) { + ret = chip_wakeup(wilc); + if (ret) + mutex_unlock(&wilc->hif_cs); + } + + return ret; } -static inline void release_bus(struct wilc *wilc, enum bus_release release) +static inline int release_bus(struct wilc *wilc, enum bus_release release) { + int ret = 0; + if (release == WILC_BUS_RELEASE_ALLOW_SLEEP && wilc->power_save_mode) - chip_allow_sleep(wilc); + ret = chip_allow_sleep(wilc); mutex_unlock(&wilc->hif_cs); + + return ret; } -void host_wakeup_notify(struct wilc *wilc) +int host_wakeup_notify(struct wilc *wilc) { - acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + int ret = acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + + if (ret) + return ret; + wilc->hif_func->hif_write_reg(wilc, WILC_CORTUS_INTERRUPT_2, 1); - release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + return release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); } EXPORT_SYMBOL_GPL(host_wakeup_notify); -void host_sleep_notify(struct wilc *wilc) +int host_sleep_notify(struct wilc *wilc) { - acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + int ret = acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + + if (ret) + return ret; + wilc->hif_func->hif_write_reg(wilc, WILC_CORTUS_INTERRUPT_1, 1); - release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + return release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); } EXPORT_SYMBOL_GPL(host_sleep_notify); @@ -714,6 +735,7 @@ int wilc_wlan_handle_txq(struct wilc *wilc, u32 *txq_count) int srcu_idx; u8 *txb = wilc->tx_buffer; struct wilc_vif *vif; + int rv; if (wilc->quit) goto out_update_cnt; @@ -784,7 +806,10 @@ int wilc_wlan_handle_txq(struct wilc *wilc, u32 *txq_count) goto out_unlock; vmm_table[i] = 0x0; - acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + ret = acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + if (ret) + goto out_unlock; + counter = 0; func = wilc->hif_func; do { @@ -859,7 +884,9 @@ int wilc_wlan_handle_txq(struct wilc *wilc, u32 *txq_count) goto out_release_bus; } - release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + ret = release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + if (ret) + goto out_unlock; offset = 0; i = 0; @@ -921,7 +948,9 @@ int wilc_wlan_handle_txq(struct wilc *wilc, u32 *txq_count) for (i = 0; i < NQUEUES; i++) wilc->txq[i].fw.count += ac_pkt_num_to_chip[i]; - acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + ret = acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + if (ret) + goto out_unlock; ret = func->hif_clear_int_ext(wilc, ENABLE_TX_VMM); if (ret) @@ -930,7 +959,9 @@ int wilc_wlan_handle_txq(struct wilc *wilc, u32 *txq_count) ret = func->hif_block_tx_ext(wilc, 0, txb, offset); out_release_bus: - release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + rv = release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + if (!ret && rv) + ret = rv; out_unlock: mutex_unlock(&wilc->txq_add_to_head_cs); @@ -1059,8 +1090,14 @@ static void wilc_wlan_handle_isr_ext(struct wilc *wilc, u32 int_status) void wilc_handle_isr(struct wilc *wilc) { u32 int_status; + int ret; + + ret = acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + if (ret) { + dev_err_ratelimited(wilc->dev, "Cannot acquire bus\n"); + return; + } - acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); wilc->hif_func->hif_read_int(wilc, &int_status); if (int_status & DATA_INT_EXT) @@ -1069,7 +1106,9 @@ void wilc_handle_isr(struct wilc *wilc) if (!(int_status & (ALL_INT_EXT))) wilc_unknown_isr_ext(wilc); - release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + ret = release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + if (ret) + dev_err_ratelimited(wilc->dev, "Cannot release bus\n"); } EXPORT_SYMBOL_GPL(wilc_handle_isr); @@ -1081,6 +1120,7 @@ int wilc_wlan_firmware_download(struct wilc *wilc, const u8 *buffer, u8 *dma_buffer; int ret = 0; u32 reg = 0; + int rv; blksz = BIT(12); @@ -1091,7 +1131,9 @@ int wilc_wlan_firmware_download(struct wilc *wilc, const u8 *buffer, offset = 0; pr_debug("%s: Downloading firmware size = %d\n", __func__, buffer_size); - acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + ret = acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + if (ret) + return ret; wilc->hif_func->hif_read_reg(wilc, WILC_GLB_RESET_0, ®); reg &= ~BIT(10); @@ -1100,11 +1142,17 @@ int wilc_wlan_firmware_download(struct wilc *wilc, const u8 *buffer, if (reg & BIT(10)) pr_err("%s: Failed to reset\n", __func__); - release_bus(wilc, WILC_BUS_RELEASE_ONLY); + ret = release_bus(wilc, WILC_BUS_RELEASE_ONLY); + if (ret) + goto fail; + do { addr = get_unaligned_le32(&buffer[offset]); size = get_unaligned_le32(&buffer[offset + 4]); - acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + ret = acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + if (ret) + goto fail; + offset += 8; while (((int)size) && (offset < buffer_size)) { if (size <= blksz) @@ -1122,7 +1170,9 @@ int wilc_wlan_firmware_download(struct wilc *wilc, const u8 *buffer, offset += size2; size -= size2; } - release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + rv = release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + if (!ret && rv) + ret = rv; if (ret) { pr_err("%s Bus error\n", __func__); @@ -1141,7 +1191,7 @@ int wilc_wlan_firmware_download(struct wilc *wilc, const u8 *buffer, int wilc_wlan_start(struct wilc *wilc) { u32 reg = 0; - int ret; + int ret, rv; u32 chipid; if (wilc->io_type == WILC_HIF_SDIO) { @@ -1150,7 +1200,10 @@ int wilc_wlan_start(struct wilc *wilc) } else if (wilc->io_type == WILC_HIF_SPI) { reg = 1; } - acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY); + ret = acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY); + if (ret) + return ret; + ret = wilc->hif_func->hif_write_reg(wilc, WILC_VMM_CORE_CFG, reg); if (ret) goto release; @@ -1181,16 +1234,18 @@ int wilc_wlan_start(struct wilc *wilc) wilc->hif_func->hif_read_reg(wilc, WILC_GLB_RESET_0, ®); release: - release_bus(wilc, WILC_BUS_RELEASE_ONLY); - return ret; + rv = release_bus(wilc, WILC_BUS_RELEASE_ONLY); + return ret ? ret : rv; } int wilc_wlan_stop(struct wilc *wilc, struct wilc_vif *vif) { u32 reg = 0; - int ret; + int ret, rv; - acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + ret = acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + if (ret) + return ret; ret = wilc->hif_func->hif_read_reg(wilc, GLOBAL_MODE_CONTROL, ®); if (ret) @@ -1226,9 +1281,9 @@ int wilc_wlan_stop(struct wilc *wilc, struct wilc_vif *vif) ret = 0; release: /* host comm is disabled - we can't issue sleep command anymore: */ - release_bus(wilc, WILC_BUS_RELEASE_ONLY); + rv = release_bus(wilc, WILC_BUS_RELEASE_ONLY); - return ret; + return ret ? ret : rv; } void wilc_wlan_cleanup(struct net_device *dev) @@ -1433,11 +1488,13 @@ static int wilc_get_chipid(struct wilc *wilc) static int init_chip(struct net_device *dev) { u32 reg; - int ret = 0; + int ret, rv; struct wilc_vif *vif = netdev_priv(dev); struct wilc *wilc = vif->wilc; - acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + ret = acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + if (ret) + return ret; ret = wilc_get_chipid(wilc); if (ret) @@ -1469,17 +1526,19 @@ static int init_chip(struct net_device *dev) } release: - release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + rv = release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); - return ret; + return ret ? ret : rv; } int wilc_load_mac_from_nv(struct wilc *wl) { - int ret = -EINVAL; + int ret, rv; unsigned int i; - acquire_bus(wl, WILC_BUS_ACQUIRE_AND_WAKEUP); + ret = acquire_bus(wl, WILC_BUS_ACQUIRE_AND_WAKEUP); + if (ret) + return ret; for (i = 0; i < WILC_NVMEM_MAX_NUM_BANK; i++) { int bank_offset = get_bank_offset_from_bank_index(i); @@ -1518,14 +1577,14 @@ int wilc_load_mac_from_nv(struct wilc *wl) break; } - release_bus(wl, WILC_BUS_RELEASE_ALLOW_SLEEP); - return ret; + rv = release_bus(wl, WILC_BUS_RELEASE_ALLOW_SLEEP); + return ret ? ret : rv; } EXPORT_SYMBOL_GPL(wilc_load_mac_from_nv); int wilc_wlan_init(struct net_device *dev) { - int ret = 0; + int ret = 0, rv; struct wilc_vif *vif = netdev_priv(dev); struct wilc *wilc; @@ -1534,11 +1593,16 @@ int wilc_wlan_init(struct net_device *dev) wilc->quit = 0; if (!wilc->hif_func->hif_is_init(wilc)) { - acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY); + ret = acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY); + if (ret) + return ret; + ret = wilc->hif_func->hif_init(wilc, false); if (!ret) ret = wilc_get_chipid(wilc); - release_bus(wilc, WILC_BUS_RELEASE_ONLY); + rv = release_bus(wilc, WILC_BUS_RELEASE_ONLY); + if (!ret && rv) + ret = rv; if (ret) goto fail; diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.h b/drivers/net/wireless/microchip/wilc1000/wlan.h index e75a5c8aaecec..4e2b0c4ac1e21 100644 --- a/drivers/net/wireless/microchip/wilc1000/wlan.h +++ b/drivers/net/wireless/microchip/wilc1000/wlan.h @@ -436,8 +436,8 @@ netdev_tx_t wilc_mac_xmit(struct sk_buff *skb, struct net_device *dev); void wilc_wfi_p2p_rx(struct wilc_vif *vif, u8 *buff, u32 size); bool wilc_wfi_mgmt_frame_rx(struct wilc_vif *vif, u8 *buff, u32 size); -void host_wakeup_notify(struct wilc *wilc); -void host_sleep_notify(struct wilc *wilc); +int host_wakeup_notify(struct wilc *wilc); +int host_sleep_notify(struct wilc *wilc); int wilc_send_config_pkt(struct wilc_vif *vif, u8 mode, struct wid *wids, u32 count); int wilc_wlan_init(struct net_device *dev); From patchwork Mon Sep 9 19:29:46 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 13797481 X-Patchwork-Delegate: kvalo@adurom.com Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 769DC18A6A1; Mon, 9 Sep 2024 19:31:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=85.214.62.61 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725910264; cv=none; b=mweUuN8yhK2M4ZQsUqJNStWjnWq58GDmZswWomzLb7Rz57Ek+9Ymz1zevrNsd9MgZjHIjBpBS6pws/Nfgr1fSlw5eg77Z8v9EaFZOdrvFF9ndhLHLW8jKzghx84la3VeyOh/WKnKuReDpzCog4f+sQH0uQKddKrn5FLK/jNpezg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725910264; c=relaxed/simple; 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Mon, 9 Sep 2024 21:30:55 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1725910255; bh=nDmXuFqEqA4ZhC5gzMqRtrUEvzsn1a7WIidh2iziyHc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ouLhq5Ei7e3c+i3To7AFMn2kTldpOyVShkjyMWZwUDvl7peytJLIQOwjRF1UhIE40 7x1toNLkeR3aZtkeOazGRcAczCEUeBcT466y2Y5H/Ze4MDCzhWcuDWGnOE2mFpNNkh CieKsNjSgBGgoILgyym9JNa9U0Vshu+GrvYatShy6ah2/YZ+gCqynTAFTk+xvPduDI tbehmKEp3EuPVG0b08RKfXxmNLcg1/PFtaEVCFfO7H/gi/hr8P5bzmwwvkhfPXqVaj +qTmmoHyCFGb//C2r9UMXcbJ193KbQp9O05YIfwa8EfMgE+LwzMcbHvYccj4+9m0k3 TEOmT0REuzuFQ== From: Marek Vasut To: linux-wireless@vger.kernel.org Cc: Marek Vasut , "David S. Miller" , Adham Abozaeid , Ajay Singh , =?utf-8?q?Alexis_Lothor=C3=A9?= , Claudiu Beznea , Conor Dooley , Eric Dumazet , Jakub Kicinski , Kalle Valo , Krzysztof Kozlowski , Paolo Abeni , Rob Herring , devicetree@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v5 5/9] wifi: wilc1000: Fold wilc_create_wiphy() into cfg80211.c Date: Mon, 9 Sep 2024 21:29:46 +0200 Message-ID: <20240909193035.69823-5-marex@denx.de> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240909193035.69823-1-marex@denx.de> References: <20240909193035.69823-1-marex@denx.de> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean The wilc_create_wiphy() is not used outside of cfg80211.c . Make the function static and remove its entry from cfg80211.h Signed-off-by: Marek Vasut Reviewed-by: Alexis Lothoré --- Cc: "David S. Miller" Cc: Adham Abozaeid Cc: Ajay Singh Cc: Alexis Lothoré Cc: Claudiu Beznea Cc: Conor Dooley Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Kalle Valo Cc: Krzysztof Kozlowski Cc: Paolo Abeni Cc: Rob Herring Cc: devicetree@vger.kernel.org Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org --- V5: New patch --- .../wireless/microchip/wilc1000/cfg80211.c | 94 +++++++++---------- .../wireless/microchip/wilc1000/cfg80211.h | 1 - 2 files changed, 47 insertions(+), 48 deletions(-) diff --git a/drivers/net/wireless/microchip/wilc1000/cfg80211.c b/drivers/net/wireless/microchip/wilc1000/cfg80211.c index eb37b228d54ea..11e0f8a473467 100644 --- a/drivers/net/wireless/microchip/wilc1000/cfg80211.c +++ b/drivers/net/wireless/microchip/wilc1000/cfg80211.c @@ -1757,53 +1757,7 @@ void wlan_deinit_locks(struct wilc *wilc) cleanup_srcu_struct(&wilc->srcu); } -int wilc_cfg80211_init(struct wilc **wilc, struct device *dev, int io_type, - const struct wilc_hif_func *ops) -{ - struct wilc *wl; - int ret, i; - - wl = wilc_create_wiphy(dev); - if (!wl) - return -EINVAL; - - wlan_init_locks(wl); - - ret = wilc_wlan_cfg_init(wl); - if (ret) - goto free_wl; - - *wilc = wl; - wl->io_type = io_type; - wl->hif_func = ops; - - for (i = 0; i < NQUEUES; i++) - INIT_LIST_HEAD(&wl->txq[i].txq_head.list); - - INIT_LIST_HEAD(&wl->rxq_head.list); - INIT_LIST_HEAD(&wl->vif_list); - - wl->hif_workqueue = alloc_ordered_workqueue("%s", WQ_MEM_RECLAIM, - wiphy_name(wl->wiphy)); - if (!wl->hif_workqueue) { - ret = -ENOMEM; - goto free_cfg; - } - - return 0; - -free_cfg: - wilc_wlan_cfg_deinit(wl); - -free_wl: - wlan_deinit_locks(wl); - wiphy_unregister(wl->wiphy); - wiphy_free(wl->wiphy); - return ret; -} -EXPORT_SYMBOL_GPL(wilc_cfg80211_init); - -struct wilc *wilc_create_wiphy(struct device *dev) +static struct wilc *wilc_create_wiphy(struct device *dev) { struct wiphy *wiphy; struct wilc *wl; @@ -1861,6 +1815,52 @@ struct wilc *wilc_create_wiphy(struct device *dev) return wl; } +int wilc_cfg80211_init(struct wilc **wilc, struct device *dev, int io_type, + const struct wilc_hif_func *ops) +{ + struct wilc *wl; + int ret, i; + + wl = wilc_create_wiphy(dev); + if (!wl) + return -EINVAL; + + wlan_init_locks(wl); + + ret = wilc_wlan_cfg_init(wl); + if (ret) + goto free_wl; + + *wilc = wl; + wl->io_type = io_type; + wl->hif_func = ops; + + for (i = 0; i < NQUEUES; i++) + INIT_LIST_HEAD(&wl->txq[i].txq_head.list); + + INIT_LIST_HEAD(&wl->rxq_head.list); + INIT_LIST_HEAD(&wl->vif_list); + + wl->hif_workqueue = alloc_ordered_workqueue("%s", WQ_MEM_RECLAIM, + wiphy_name(wl->wiphy)); + if (!wl->hif_workqueue) { + ret = -ENOMEM; + goto free_cfg; + } + + return 0; + +free_cfg: + wilc_wlan_cfg_deinit(wl); + +free_wl: + wlan_deinit_locks(wl); + wiphy_unregister(wl->wiphy); + wiphy_free(wl->wiphy); + return ret; +} +EXPORT_SYMBOL_GPL(wilc_cfg80211_init); + int wilc_init_host_int(struct net_device *net) { int ret; diff --git a/drivers/net/wireless/microchip/wilc1000/cfg80211.h b/drivers/net/wireless/microchip/wilc1000/cfg80211.h index 8c65951cfaf96..fc04cc6615c1f 100644 --- a/drivers/net/wireless/microchip/wilc1000/cfg80211.h +++ b/drivers/net/wireless/microchip/wilc1000/cfg80211.h @@ -10,7 +10,6 @@ int wilc_cfg80211_init(struct wilc **wilc, struct device *dev, int io_type, const struct wilc_hif_func *ops); -struct wilc *wilc_create_wiphy(struct device *dev); void wilc_deinit_host_int(struct net_device *net); int wilc_init_host_int(struct net_device *net); void wilc_wfi_monitor_rx(struct net_device *mon_dev, u8 *buff, u32 size); From patchwork Mon Sep 9 19:29:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 13797480 X-Patchwork-Delegate: kvalo@adurom.com Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0F6DF179202; Mon, 9 Sep 2024 19:31:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=85.214.62.61 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725910262; cv=none; b=T6+RIDQ3hzuLm5+2hibwef0T8DH9+1goT+RxR45+2OrwljT3sgpbL0UoPeAUDNILtjktlx1v2rE2SZsl4115unIrvLMFs7DH18L8Frr/Ip5NJ59xHLQ3ymM6LGcJMciz07iIWTbS3T67ywO5zyjtZEj3/nc/sLvdnLCbP63mT1Q= ARC-Message-Signature: i=1; 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Mon, 9 Sep 2024 21:30:55 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1725910256; bh=LL276++mvlxqbQAS+Owso/jjjlzOFM6kcl7PROOgzQw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=U1CdgNN6LX1zTwbI/fB9d67DEFhxCor9UT586WL+MvF6YC48mOcK0IvDanS6goWlq u0yVeZN4cLAH3yIrHMDOW+BrS53CFGr6dnsJei4td3fSZrTjoUI6wdG49X8sUFRnT2 fNQ0q3KT6ApqLOeDIGUDLut2yq6dwCl5/jakXNDQ8wyD2lHRx02rahQBvRMPk0JFs9 9TdIQ74L1Sg/yKgnBTHR9A1CuwEOeAYMFJ67cSBsBz+Exa0ZDwkJiDQhDfj05q1b8v bsD3JELumjP8NgzOAOmP1oFq8XPpHjtZb4HJ2EO24X3Dhjr0ndqcfqH8to71fZMgbL gPn/bit5+/uew== From: Marek Vasut To: linux-wireless@vger.kernel.org Cc: Marek Vasut , "David S. Miller" , Adham Abozaeid , Ajay Singh , =?utf-8?q?Alexis_Lothor=C3=A9?= , Claudiu Beznea , Conor Dooley , Eric Dumazet , Jakub Kicinski , Kalle Valo , Krzysztof Kozlowski , Paolo Abeni , Rob Herring , devicetree@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v5 6/9] wifi: wilc1000: Remove cmd53_buf() allocation Date: Mon, 9 Sep 2024 21:29:47 +0200 Message-ID: <20240909193035.69823-6-marex@denx.de> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240909193035.69823-1-marex@denx.de> References: <20240909193035.69823-1-marex@denx.de> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean The cmd53_buf is a 4 byte buffer, embed it into the struct wilc_sdio. Signed-off-by: Marek Vasut --- Cc: "David S. Miller" Cc: Adham Abozaeid Cc: Ajay Singh Cc: Alexis Lothoré Cc: Claudiu Beznea Cc: Conor Dooley Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Kalle Valo Cc: Krzysztof Kozlowski Cc: Paolo Abeni Cc: Rob Herring Cc: devicetree@vger.kernel.org Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org --- V5: New patch --- drivers/net/wireless/microchip/wilc1000/sdio.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/drivers/net/wireless/microchip/wilc1000/sdio.c b/drivers/net/wireless/microchip/wilc1000/sdio.c index c26447289b71b..6d01a838ab184 100644 --- a/drivers/net/wireless/microchip/wilc1000/sdio.c +++ b/drivers/net/wireless/microchip/wilc1000/sdio.c @@ -31,7 +31,7 @@ struct wilc_sdio { bool irq_gpio; u32 block_size; bool isinit; - u8 *cmd53_buf; + u8 cmd53_buf[4]; }; struct sdio_cmd52 { @@ -149,12 +149,6 @@ static int wilc_sdio_probe(struct sdio_func *func, if (!sdio_priv) return -ENOMEM; - sdio_priv->cmd53_buf = kzalloc(sizeof(u32), GFP_KERNEL); - if (!sdio_priv->cmd53_buf) { - ret = -ENOMEM; - goto free; - } - ret = wilc_cfg80211_init(&wilc, &func->dev, WILC_HIF_SDIO, &wilc_hif_sdio); if (ret) @@ -207,7 +201,6 @@ static int wilc_sdio_probe(struct sdio_func *func, irq_dispose_mapping(wilc->dev_irq_num); wilc_netdev_cleanup(wilc); free: - kfree(sdio_priv->cmd53_buf); kfree(sdio_priv); return ret; } @@ -219,7 +212,6 @@ static void wilc_sdio_remove(struct sdio_func *func) clk_disable_unprepare(wilc->rtc_clk); wilc_netdev_cleanup(wilc); - kfree(sdio_priv->cmd53_buf); kfree(sdio_priv); } From patchwork Mon Sep 9 19:29:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 13797482 X-Patchwork-Delegate: kvalo@adurom.com Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6E44018B464; Mon, 9 Sep 2024 19:31:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=85.214.62.61 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725910266; cv=none; b=TC0Ep7yBBMHRv+TOpDadY7DlX8TRxYb3AdvYPGyqcftKpKJou5klE2QqHxJMGQ8LnGj0Mi6yoUvXVGlqS/Hp8XKp5wGwehegLiKCYitIQPePlbQNR+6rFd1oQkdqgnA0ugY2pMFnqXk5YqKQZDtu+gMRQwkcYtyi7digMS/7oHk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725910266; c=relaxed/simple; bh=4SUjgUsSqVlCSPxgNF5C5NVcSQ9+yh0Tz4qS1izmwdI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=cNM3vtX2OP/+UzbwzHZxo80hyTHLHswWoHugRmQu2F5s2nK/oVeGYlzRP2WWC7SEsPtTsj9cs6LsVjNgFYd5mHVT+l2cj42i+qJDfF53WgAwkzbN0gMdL9j6eVj1H5LbBq9gbajmGr+OIX+x7zB6GolMTjdOGUZyWwwnETFNeGc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=denx.de; spf=pass smtp.mailfrom=denx.de; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.b=s032QFgC; arc=none smtp.client-ip=85.214.62.61 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=denx.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=denx.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.b="s032QFgC" Received: from tr.lan (ip-86-49-120-218.bb.vodafone.cz [86.49.120.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 13AE888E24; Mon, 9 Sep 2024 21:30:56 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1725910256; bh=aRska+e6IEuhBaEApyn0DJC2F90zGOrhaYd8JxEYKzg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=s032QFgCKTN7au98hkPANvYTPXNdEoy+jsVGL0LjdCR8dpVKyX70qE7joHIKeTsfY vEokwJx1v0lmvslVqiurZtSIXgHwgDcw4Bz3Xl7MuKrbldeZOQUatFsCUC7b12Sth7 TaLox5dm7dXdToiiolkgf1XNd7xcj9RySvtUwhesT6M5RU2j+RQ2wJbPdYINZxci/j x51efOeXCRIp7Ql0iajOyyexEiFpjKIRBMT9E7eJARkh0mZlhQwXRYK+T56EBBeZF0 UL5LEPMgpBzvPT8iN7q6zH/+MXD6OP5k5v3HSPjfAN6gxZt5cFRn3FuEJi2C25VwwR /8CQRpFMNTq0Q== From: Marek Vasut To: linux-wireless@vger.kernel.org Cc: Marek Vasut , "David S. Miller" , Adham Abozaeid , Ajay Singh , =?utf-8?q?Alexis_Lothor=C3=A9?= , Claudiu Beznea , Conor Dooley , Eric Dumazet , Jakub Kicinski , Kalle Valo , Krzysztof Kozlowski , Paolo Abeni , Rob Herring , devicetree@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v5 7/9] wifi: wilc1000: Get chipid early Date: Mon, 9 Sep 2024 21:29:48 +0200 Message-ID: <20240909193035.69823-7-marex@denx.de> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240909193035.69823-1-marex@denx.de> References: <20240909193035.69823-1-marex@denx.de> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Export wilc_get_chipid() again and call it in driver probe to get wilc->chipid assigned early on. This is necessary to discern WILC 1000 from 3000 to disable WPA3/SAE on the later. Signed-off-by: Marek Vasut --- Cc: "David S. Miller" Cc: Adham Abozaeid Cc: Ajay Singh Cc: Alexis Lothoré Cc: Claudiu Beznea Cc: Conor Dooley Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Kalle Valo Cc: Krzysztof Kozlowski Cc: Paolo Abeni Cc: Rob Herring Cc: devicetree@vger.kernel.org Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org --- V5: New patch --- drivers/net/wireless/microchip/wilc1000/sdio.c | 4 ++++ drivers/net/wireless/microchip/wilc1000/spi.c | 2 +- drivers/net/wireless/microchip/wilc1000/wlan.c | 2 +- drivers/net/wireless/microchip/wilc1000/wlan.h | 1 + 4 files changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/microchip/wilc1000/sdio.c b/drivers/net/wireless/microchip/wilc1000/sdio.c index 6d01a838ab184..01a96d0f562a6 100644 --- a/drivers/net/wireless/microchip/wilc1000/sdio.c +++ b/drivers/net/wireless/microchip/wilc1000/sdio.c @@ -177,6 +177,10 @@ static int wilc_sdio_probe(struct sdio_func *func, wilc_sdio_init(wilc, false); + ret = wilc_get_chipid(wilc); + if (ret) + goto clk_disable_unprepare; + ret = wilc_load_mac_from_nv(wilc); if (ret) { pr_err("Can not retrieve MAC address from chip\n"); diff --git a/drivers/net/wireless/microchip/wilc1000/spi.c b/drivers/net/wireless/microchip/wilc1000/spi.c index 5ff940c53ad9c..1b60a13df6cfa 100644 --- a/drivers/net/wireless/microchip/wilc1000/spi.c +++ b/drivers/net/wireless/microchip/wilc1000/spi.c @@ -246,7 +246,7 @@ static int wilc_bus_probe(struct spi_device *spi) if (ret) goto power_down; - ret = wilc_validate_chipid(wilc); + ret = wilc_get_chipid(wilc); if (ret) goto power_down; diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.c b/drivers/net/wireless/microchip/wilc1000/wlan.c index 01476f8ecc36f..1aab8eca58169 100644 --- a/drivers/net/wireless/microchip/wilc1000/wlan.c +++ b/drivers/net/wireless/microchip/wilc1000/wlan.c @@ -1456,7 +1456,7 @@ int wilc_send_config_pkt(struct wilc_vif *vif, u8 mode, struct wid *wids, return ret; } -static int wilc_get_chipid(struct wilc *wilc) +int wilc_get_chipid(struct wilc *wilc) { u32 chipid = 0; u32 rfrevid = 0; diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.h b/drivers/net/wireless/microchip/wilc1000/wlan.h index 4e2b0c4ac1e21..552590823e444 100644 --- a/drivers/net/wireless/microchip/wilc1000/wlan.h +++ b/drivers/net/wireless/microchip/wilc1000/wlan.h @@ -441,5 +441,6 @@ int host_sleep_notify(struct wilc *wilc); int wilc_send_config_pkt(struct wilc_vif *vif, u8 mode, struct wid *wids, u32 count); int wilc_wlan_init(struct net_device *dev); +int wilc_get_chipid(struct wilc *wilc); int wilc_load_mac_from_nv(struct wilc *wilc); #endif From patchwork Mon Sep 9 19:29:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 13797483 X-Patchwork-Delegate: kvalo@adurom.com Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B8D4418B470; 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arc=none smtp.client-ip=85.214.62.61 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=denx.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=denx.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.b="B4zrgQRy" Received: from tr.lan (ip-86-49-120-218.bb.vodafone.cz [86.49.120.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 864A188E1C; Mon, 9 Sep 2024 21:30:56 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1725910257; bh=pO7uxXBket2WZf02H8dayz8mAMMqmOfTEPEHU8nUfuI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=B4zrgQRybV498fzLCMHQWexR6rUqFrmpLqE8kRg/Ud/QX3KkxTZD7qyRM5dQmbr+9 tbKjtw7ffvZKCUHZuRELtdBAhwdpXOn+7Ukf6XJUzgLaNbdQdxZpJyyFAQUEbl55RQ MtNPDZepHKRUuHyPOZDa24PHb3RIWocj8xuqWtfg8pgF08lMDAQU3NSfrVJ4ydF0xB BLrMv7kFKBysE00Qu3rQdg/zug/JxkXRkCyx+g6Lbb9xgqqK8NAQhTkOxA9OdWTseV kNrTYKABsqbx+3pxo1q1cHJm7NfiWWAF6+l0p4tjk7hum+yLggiy5vS9kOxkPpH5Q/ RLBgq4FBtlPdA== From: Marek Vasut To: linux-wireless@vger.kernel.org Cc: Marek Vasut , "David S. Miller" , Adham Abozaeid , Ajay Singh , =?utf-8?q?Alexis_Lothor=C3=A9?= , Claudiu Beznea , Conor Dooley , Eric Dumazet , Jakub Kicinski , Kalle Valo , Krzysztof Kozlowski , Paolo Abeni , Rob Herring , devicetree@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v5 8/9] wifi: wilc1000: Register wiphy after reading out chipid Date: Mon, 9 Sep 2024 21:29:49 +0200 Message-ID: <20240909193035.69823-8-marex@denx.de> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240909193035.69823-1-marex@denx.de> References: <20240909193035.69823-1-marex@denx.de> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Register wiphy after reading out chipid, so the chipid can be used to determine chip features and not advertise WPA3/SAE support to userspace on WILC3000. Note that wilc_netdev_cleanup() will deregister the wiphy in fail path. Signed-off-by: Marek Vasut --- Cc: "David S. Miller" Cc: Adham Abozaeid Cc: Ajay Singh Cc: Alexis Lothoré Cc: Claudiu Beznea Cc: Conor Dooley Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Kalle Valo Cc: Krzysztof Kozlowski Cc: Paolo Abeni Cc: Rob Herring Cc: devicetree@vger.kernel.org Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org --- V5: New patch --- .../net/wireless/microchip/wilc1000/cfg80211.c | 15 ++++++++------- .../net/wireless/microchip/wilc1000/cfg80211.h | 1 + drivers/net/wireless/microchip/wilc1000/sdio.c | 4 ++++ drivers/net/wireless/microchip/wilc1000/spi.c | 4 ++++ 4 files changed, 17 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/microchip/wilc1000/cfg80211.c b/drivers/net/wireless/microchip/wilc1000/cfg80211.c index 11e0f8a473467..30015c5920467 100644 --- a/drivers/net/wireless/microchip/wilc1000/cfg80211.c +++ b/drivers/net/wireless/microchip/wilc1000/cfg80211.c @@ -1761,7 +1761,6 @@ static struct wilc *wilc_create_wiphy(struct device *dev) { struct wiphy *wiphy; struct wilc *wl; - int ret; wiphy = wiphy_new(&wilc_cfg80211_ops, sizeof(*wl)); if (!wiphy) @@ -1804,14 +1803,8 @@ static struct wilc *wilc_create_wiphy(struct device *dev) BIT(NL80211_IFTYPE_P2P_GO) | BIT(NL80211_IFTYPE_P2P_CLIENT); wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; - wiphy->features |= NL80211_FEATURE_SAE; set_wiphy_dev(wiphy, dev); wl->wiphy = wiphy; - ret = wiphy_register(wiphy); - if (ret) { - wiphy_free(wiphy); - return NULL; - } return wl; } @@ -1861,6 +1854,14 @@ int wilc_cfg80211_init(struct wilc **wilc, struct device *dev, int io_type, } EXPORT_SYMBOL_GPL(wilc_cfg80211_init); +int wilc_cfg80211_register(struct wilc *wilc) +{ + wilc->wiphy->features |= NL80211_FEATURE_SAE; + + return wiphy_register(wilc->wiphy); +} +EXPORT_SYMBOL_GPL(wilc_cfg80211_register); + int wilc_init_host_int(struct net_device *net) { int ret; diff --git a/drivers/net/wireless/microchip/wilc1000/cfg80211.h b/drivers/net/wireless/microchip/wilc1000/cfg80211.h index fc04cc6615c1f..2dc9c1c42d609 100644 --- a/drivers/net/wireless/microchip/wilc1000/cfg80211.h +++ b/drivers/net/wireless/microchip/wilc1000/cfg80211.h @@ -10,6 +10,7 @@ int wilc_cfg80211_init(struct wilc **wilc, struct device *dev, int io_type, const struct wilc_hif_func *ops); +int wilc_cfg80211_register(struct wilc *wilc); void wilc_deinit_host_int(struct net_device *net); int wilc_init_host_int(struct net_device *net); void wilc_wfi_monitor_rx(struct net_device *mon_dev, u8 *buff, u32 size); diff --git a/drivers/net/wireless/microchip/wilc1000/sdio.c b/drivers/net/wireless/microchip/wilc1000/sdio.c index 01a96d0f562a6..0240f66e70bc1 100644 --- a/drivers/net/wireless/microchip/wilc1000/sdio.c +++ b/drivers/net/wireless/microchip/wilc1000/sdio.c @@ -181,6 +181,10 @@ static int wilc_sdio_probe(struct sdio_func *func, if (ret) goto clk_disable_unprepare; + ret = wilc_cfg80211_register(wilc); + if (ret) + goto clk_disable_unprepare; + ret = wilc_load_mac_from_nv(wilc); if (ret) { pr_err("Can not retrieve MAC address from chip\n"); diff --git a/drivers/net/wireless/microchip/wilc1000/spi.c b/drivers/net/wireless/microchip/wilc1000/spi.c index 1b60a13df6cfa..edc518c3b0253 100644 --- a/drivers/net/wireless/microchip/wilc1000/spi.c +++ b/drivers/net/wireless/microchip/wilc1000/spi.c @@ -250,6 +250,10 @@ static int wilc_bus_probe(struct spi_device *spi) if (ret) goto power_down; + ret = wilc_cfg80211_register(wilc); + if (ret) + goto power_down; + ret = wilc_load_mac_from_nv(wilc); if (ret) { pr_err("Can not retrieve MAC address from chip\n"); From patchwork Mon Sep 9 19:29:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 13797484 X-Patchwork-Delegate: kvalo@adurom.com Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ADB8E18B492; Mon, 9 Sep 2024 19:31:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=85.214.62.61 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725910268; cv=none; b=EdqJD3MOhhVqGuWcSmaw3/6OxbkpJ46mmDkcwyFY25cAkx/cBGN9URyda55G47NsgfllsLyYGFipgokQnd4a1Mud/fNiEVS1CxCbmRS7CBzC7eC6jsFW383CSHIZVQVrHb+arYjh7I2Yq163FFYy5HAwjhnirf7cUDoqgV+uqeY= ARC-Message-Signature: i=1; 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Mon, 9 Sep 2024 21:30:57 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1725910257; bh=ZoK1aPHncaDxjtG3N1VH/GZiCM3jCVdNgFf37PwGU1M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QTctq5D8YgqaO1womLjc2y4uCduMJcSNjLCVU7RHBeqEdUY81mNqHcOTy8+0ck0B8 +7o/Q2qjk4kzJQHBxkdBtPi8l5zktdR+5cLjscag18So5ABs6gCgQAoANFDqJ/s9zR co7DtwSbWKWOHt7lckL2PE25rAzZTJIM0dLvGcxz/OMbQJjJtJ3f7m07iaG6hrNc49 ba17ojNfxBzc+RraVlVjCCHo3FHyt91WnlqXOEAH/JZYfx37nY8AT4eo2SdSr8k2hR FrmrBuoS0V98mv+o2YgmAWAnMy5gOm+f+sunMj8BISkoOWiCBSymQM+ukuHmugORou Y8dbNFRRngjcw== From: Marek Vasut To: linux-wireless@vger.kernel.org Cc: Ajay Singh , Marek Vasut , "David S. Miller" , Adham Abozaeid , =?utf-8?q?Alexis_Lothor?= =?utf-8?q?=C3=A9?= , Claudiu Beznea , Conor Dooley , Eric Dumazet , Jakub Kicinski , Kalle Valo , Krzysztof Kozlowski , Paolo Abeni , Rob Herring , devicetree@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v5 9/9] wifi: wilc1000: Add WILC3000 support Date: Mon, 9 Sep 2024 21:29:50 +0200 Message-ID: <20240909193035.69823-9-marex@denx.de> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240909193035.69823-1-marex@denx.de> References: <20240909193035.69823-1-marex@denx.de> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean From: Ajay Singh Add support for the WILC3000 chip. The chip is similar to WILC1000, except that the register layout is slightly different and it does not support WPA3/SAE. Signed-off-by: Ajay Singh Signed-off-by: Marek Vasut --- Note: Squashed and updated from the following downstream patches: wifi: wilc1000: wilc3000 support added wifi: wilc1000: wilc3000 interrupt handling wifi: wilc1000: wilc3000 added chip wake and sleep support wifi: wilc1000: wilc3000 FW file sepecific changes --- Cc: "David S. Miller" Cc: Adham Abozaeid Cc: Ajay Singh Cc: Alexis Lothoré Cc: Claudiu Beznea Cc: Conor Dooley Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Kalle Valo Cc: Krzysztof Kozlowski Cc: Paolo Abeni Cc: Rob Herring Cc: devicetree@vger.kernel.org Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org --- V2: - Return -EINVAL in wilc_sdio_init() if chip ID is not supported - Dispose of wilc_chip_type, replace with is_wilc1000()/is_wilc3000() - Remove wilc3000 DT compatible string handling, match on wilc1000 only, the device type can be auto-detected based on chipID V3: - Define and use WILC3000_BOOTROM_STATUS and WILC3000_CORTUS_BOOT_REGISTER_2 V4: - Fix up after dropping wilc_get_chipid() in netdev.c in 2/5 V5: - Advertise WPA3/SAE to userspace only on WILC1000 in wilc_create_wiphy() --- .../wireless/microchip/wilc1000/cfg80211.c | 4 +- .../net/wireless/microchip/wilc1000/netdev.c | 27 ++- .../net/wireless/microchip/wilc1000/sdio.c | 62 ++++- drivers/net/wireless/microchip/wilc1000/spi.c | 2 +- .../net/wireless/microchip/wilc1000/wlan.c | 220 +++++++++++++++--- .../net/wireless/microchip/wilc1000/wlan.h | 45 +++- 6 files changed, 298 insertions(+), 62 deletions(-) diff --git a/drivers/net/wireless/microchip/wilc1000/cfg80211.c b/drivers/net/wireless/microchip/wilc1000/cfg80211.c index 30015c5920467..cdb4b0bbeab3b 100644 --- a/drivers/net/wireless/microchip/wilc1000/cfg80211.c +++ b/drivers/net/wireless/microchip/wilc1000/cfg80211.c @@ -1856,7 +1856,9 @@ EXPORT_SYMBOL_GPL(wilc_cfg80211_init); int wilc_cfg80211_register(struct wilc *wilc) { - wilc->wiphy->features |= NL80211_FEATURE_SAE; + /* WPA3/SAE supported only on WILC1000 */ + if (is_wilc1000(wilc->chipid)) + wilc->wiphy->features |= NL80211_FEATURE_SAE; return wiphy_register(wilc->wiphy); } diff --git a/drivers/net/wireless/microchip/wilc1000/netdev.c b/drivers/net/wireless/microchip/wilc1000/netdev.c index 086e70d833e06..178f3241cef9f 100644 --- a/drivers/net/wireless/microchip/wilc1000/netdev.c +++ b/drivers/net/wireless/microchip/wilc1000/netdev.c @@ -23,6 +23,12 @@ #define __WILC1000_FW(api) WILC1000_FW_PREFIX #api ".bin" #define WILC1000_FW(api) __WILC1000_FW(api) +#define WILC3000_API_VER 1 + +#define WILC3000_FW_PREFIX "atmel/wilc3000_wifi_firmware-" +#define __WILC3000_FW(api) WILC3000_FW_PREFIX #api ".bin" +#define WILC3000_FW(api) __WILC3000_FW(api) + static irqreturn_t isr_uh_routine(int irq, void *user_data) { struct wilc *wilc = user_data; @@ -196,19 +202,23 @@ static int wilc_wlan_get_firmware(struct net_device *dev) struct wilc_vif *vif = netdev_priv(dev); struct wilc *wilc = vif->wilc; const struct firmware *wilc_fw; + char *firmware; int ret; - if (!is_wilc1000(wilc->chipid)) + if (is_wilc1000(wilc->chipid)) + firmware = WILC1000_FW(WILC1000_API_VER); + else if (is_wilc3000(wilc->chipid)) + firmware = WILC3000_FW(WILC3000_API_VER); + else return -EINVAL; - netdev_info(dev, "WILC1000 loading firmware [%s]\n", + netdev_info(dev, "WILC%d loading firmware [%s]\n", + is_wilc1000(wilc->chipid) ? 1000 : 3000, WILC1000_FW(WILC1000_API_VER)); - ret = request_firmware(&wilc_fw, WILC1000_FW(WILC1000_API_VER), - wilc->dev); + ret = request_firmware(&wilc_fw, firmware, wilc->dev); if (ret != 0) { - netdev_err(dev, "%s - firmware not available\n", - WILC1000_FW(WILC1000_API_VER)); + netdev_err(dev, "%s - firmware not available\n", firmware); return -EINVAL; } wilc->firmware = wilc_fw; @@ -233,7 +243,7 @@ static int wilc_start_firmware(struct net_device *dev) return 0; } -static int wilc1000_firmware_download(struct net_device *dev) +static int wilc_firmware_download(struct net_device *dev) { struct wilc_vif *vif = netdev_priv(dev); struct wilc *wilc = vif->wilc; @@ -528,7 +538,7 @@ static int wilc_wlan_initialize(struct net_device *dev, struct wilc_vif *vif) if (ret) goto fail_irq_enable; - ret = wilc1000_firmware_download(dev); + ret = wilc_firmware_download(dev); if (ret) goto fail_irq_enable; @@ -1014,3 +1024,4 @@ EXPORT_SYMBOL_GPL(wilc_netdev_ifc_init); MODULE_DESCRIPTION("Atmel WILC1000 core wireless driver"); MODULE_LICENSE("GPL"); MODULE_FIRMWARE(WILC1000_FW(WILC1000_API_VER)); +MODULE_FIRMWARE(WILC3000_FW(WILC3000_API_VER)); diff --git a/drivers/net/wireless/microchip/wilc1000/sdio.c b/drivers/net/wireless/microchip/wilc1000/sdio.c index 0240f66e70bc1..6b52e95a17187 100644 --- a/drivers/net/wireless/microchip/wilc1000/sdio.c +++ b/drivers/net/wireless/microchip/wilc1000/sdio.c @@ -806,13 +806,19 @@ static int wilc_sdio_read_int(struct wilc *wilc, u32 *int_status) cmd.address = WILC_SDIO_EXT_IRQ_FLAG_REG; } else { cmd.function = 0; - cmd.address = WILC_SDIO_IRQ_FLAG_REG; + cmd.address = is_wilc1000(wilc->chipid) ? + WILC1000_SDIO_IRQ_FLAG_REG : + WILC3000_SDIO_IRQ_FLAG_REG; } cmd.raw = 0; cmd.read_write = 0; cmd.data = 0; wilc_sdio_cmd52(wilc, &cmd); irq_flags = cmd.data; + + if (sdio_priv->irq_gpio) + irq_flags &= is_wilc1000(wilc->chipid) ? 0x1f : 0x0f; + tmp |= FIELD_PREP(IRG_FLAGS_MASK, cmd.data); if (FIELD_GET(UNHANDLED_IRQ_MASK, irq_flags)) @@ -834,22 +840,56 @@ static int wilc_sdio_clear_int_ext(struct wilc *wilc, u32 val) if (sdio_priv->irq_gpio) reg = val & (BIT(MAX_NUM_INT) - 1); - /* select VMM table 0 */ - if (val & SEL_VMM_TBL0) - reg |= BIT(5); - /* select VMM table 1 */ - if (val & SEL_VMM_TBL1) - reg |= BIT(6); - /* enable VMM */ - if (val & EN_VMM) - reg |= BIT(7); + if (is_wilc1000(wilc->chipid)) { + /* select VMM table 0 */ + if (val & SEL_VMM_TBL0) + reg |= BIT(5); + /* select VMM table 1 */ + if (val & SEL_VMM_TBL1) + reg |= BIT(6); + /* enable VMM */ + if (val & EN_VMM) + reg |= BIT(7); + } else { + if (sdio_priv->irq_gpio && reg) { + struct sdio_cmd52 cmd; + + cmd.read_write = 1; + cmd.function = 0; + cmd.raw = 0; + cmd.address = WILC3000_SDIO_IRQ_FLAG_REG; + cmd.data = reg; + + ret = wilc_sdio_cmd52(wilc, &cmd); + if (ret) { + dev_err(&func->dev, + "Failed cmd52, set 0xfe data (%d) ...\n", + __LINE__); + return ret; + } + } + + reg = 0; + /* select VMM table 0 */ + if (val & SEL_VMM_TBL0) + reg |= BIT(0); + /* select VMM table 1 */ + if (val & SEL_VMM_TBL1) + reg |= BIT(1); + /* enable VMM */ + if (val & EN_VMM) + reg |= BIT(2); + } + if (reg) { struct sdio_cmd52 cmd; cmd.read_write = 1; cmd.function = 0; cmd.raw = 0; - cmd.address = WILC_SDIO_IRQ_CLEAR_FLAG_REG; + cmd.address = is_wilc1000(wilc->chipid) ? + WILC1000_SDIO_IRQ_CLEAR_FLAG_REG : + WILC3000_SDIO_VMM_TBL_CTRL_REG; cmd.data = reg; ret = wilc_sdio_cmd52(wilc, &cmd); diff --git a/drivers/net/wireless/microchip/wilc1000/spi.c b/drivers/net/wireless/microchip/wilc1000/spi.c index edc518c3b0253..ad837d2b7af67 100644 --- a/drivers/net/wireless/microchip/wilc1000/spi.c +++ b/drivers/net/wireless/microchip/wilc1000/spi.c @@ -1236,7 +1236,7 @@ static int wilc_validate_chipid(struct wilc *wilc) dev_err(&spi->dev, "Fail cmd read chip id...\n"); return ret; } - if (!is_wilc1000(chipid)) { + if (!is_wilc1000(chipid) && !is_wilc3000(chipid)) { dev_err(&spi->dev, "Unknown chip id 0x%x\n", chipid); return -ENODEV; } diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.c b/drivers/net/wireless/microchip/wilc1000/wlan.c index 1aab8eca58169..0c0f78b97ba3f 100644 --- a/drivers/net/wireless/microchip/wilc1000/wlan.c +++ b/drivers/net/wireless/microchip/wilc1000/wlan.c @@ -541,7 +541,7 @@ static struct rxq_entry_t *wilc_wlan_rxq_remove(struct wilc *wilc) return rqe; } -static int chip_allow_sleep(struct wilc *wilc) +static int chip_allow_sleep_wilc1000(struct wilc *wilc) { u32 reg = 0; const struct wilc_hif_func *hif_func = wilc->hif_func; @@ -601,7 +601,41 @@ static int chip_allow_sleep(struct wilc *wilc) return 0; } -static int chip_wakeup(struct wilc *wilc) +static int chip_allow_sleep_wilc3000(struct wilc *wilc) +{ + u32 reg = 0; + int ret; + const struct wilc_hif_func *hif_func = wilc->hif_func; + + if (wilc->io_type == WILC_HIF_SDIO) { + ret = hif_func->hif_read_reg(wilc, WILC_SDIO_WAKEUP_REG, ®); + if (ret) + return ret; + ret = hif_func->hif_write_reg(wilc, WILC_SDIO_WAKEUP_REG, + reg & ~WILC_SDIO_WAKEUP_BIT); + if (ret) + return ret; + } else { + ret = hif_func->hif_read_reg(wilc, WILC_SPI_WAKEUP_REG, ®); + if (ret) + return ret; + ret = hif_func->hif_write_reg(wilc, WILC_SPI_WAKEUP_REG, + reg & ~WILC_SPI_WAKEUP_BIT); + if (ret) + return ret; + } + return 0; +} + +static int chip_allow_sleep(struct wilc *wilc) +{ + if (is_wilc1000(wilc->chipid)) + return chip_allow_sleep_wilc1000(wilc); + else + return chip_allow_sleep_wilc3000(wilc); +} + +static int chip_wakeup_wilc1000(struct wilc *wilc) { u32 ret = 0; u32 clk_status_val = 0, trials = 0; @@ -613,15 +647,15 @@ static int chip_wakeup(struct wilc *wilc) if (wilc->io_type == WILC_HIF_SDIO) { wakeup_reg = WILC_SDIO_WAKEUP_REG; wakeup_bit = WILC_SDIO_WAKEUP_BIT; - clk_status_reg = WILC_SDIO_CLK_STATUS_REG; - clk_status_bit = WILC_SDIO_CLK_STATUS_BIT; + clk_status_reg = WILC1000_SDIO_CLK_STATUS_REG; + clk_status_bit = WILC1000_SDIO_CLK_STATUS_BIT; from_host_to_fw_reg = WILC_SDIO_HOST_TO_FW_REG; from_host_to_fw_bit = WILC_SDIO_HOST_TO_FW_BIT; } else { wakeup_reg = WILC_SPI_WAKEUP_REG; wakeup_bit = WILC_SPI_WAKEUP_BIT; - clk_status_reg = WILC_SPI_CLK_STATUS_REG; - clk_status_bit = WILC_SPI_CLK_STATUS_BIT; + clk_status_reg = WILC1000_SPI_CLK_STATUS_REG; + clk_status_bit = WILC1000_SPI_CLK_STATUS_BIT; from_host_to_fw_reg = WILC_SPI_HOST_TO_FW_REG; from_host_to_fw_bit = WILC_SPI_HOST_TO_FW_BIT; } @@ -663,6 +697,74 @@ static int chip_wakeup(struct wilc *wilc) return 0; } +static int chip_wakeup_wilc3000(struct wilc *wilc) +{ + u32 wakeup_reg_val, clk_status_reg_val, trials = 0; + u32 wakeup_reg, wakeup_bit; + u32 clk_status_reg, clk_status_bit; + int wake_seq_trials = 5; + const struct wilc_hif_func *hif_func = wilc->hif_func; + + if (wilc->io_type == WILC_HIF_SDIO) { + wakeup_reg = WILC_SDIO_WAKEUP_REG; + wakeup_bit = WILC_SDIO_WAKEUP_BIT; + clk_status_reg = WILC3000_SDIO_CLK_STATUS_REG; + clk_status_bit = WILC3000_SDIO_CLK_STATUS_BIT; + } else { + wakeup_reg = WILC_SPI_WAKEUP_REG; + wakeup_bit = WILC_SPI_WAKEUP_BIT; + clk_status_reg = WILC3000_SPI_CLK_STATUS_REG; + clk_status_bit = WILC3000_SPI_CLK_STATUS_BIT; + } + + hif_func->hif_read_reg(wilc, wakeup_reg, &wakeup_reg_val); + do { + hif_func->hif_write_reg(wilc, wakeup_reg, wakeup_reg_val | + wakeup_bit); + /* Check the clock status */ + hif_func->hif_read_reg(wilc, clk_status_reg, + &clk_status_reg_val); + + /* In case of clocks off, wait 1ms, and check it again. + * if still off, wait for another 1ms, for a total wait of 3ms. + * If still off, redo the wake up sequence + */ + while ((clk_status_reg_val & clk_status_bit) == 0 && + (++trials % 4) != 0) { + /* Wait for the chip to stabilize*/ + usleep_range(1000, 1100); + + /* Make sure chip is awake. This is an extra step that + * can be removed later to avoid the bus access + * overhead + */ + hif_func->hif_read_reg(wilc, clk_status_reg, + &clk_status_reg_val); + } + /* in case of failure, Reset the wakeup bit to introduce a new + * edge on the next loop + */ + if ((clk_status_reg_val & clk_status_bit) == 0) { + hif_func->hif_write_reg(wilc, wakeup_reg, + wakeup_reg_val & (~wakeup_bit)); + /* added wait before wakeup sequence retry */ + usleep_range(200, 300); + } + } while ((clk_status_reg_val & clk_status_bit) == 0 && wake_seq_trials-- > 0); + if (!wake_seq_trials) + dev_err(wilc->dev, "clocks still OFF. Wake up failed\n"); + + return 0; +} + +static int chip_wakeup(struct wilc *wilc) +{ + if (is_wilc1000(wilc->chipid)) + return chip_wakeup_wilc1000(wilc); + else + return chip_wakeup_wilc3000(wilc); +} + static inline int acquire_bus(struct wilc *wilc, enum bus_acquire acquire) { int ret = 0; @@ -695,7 +797,9 @@ int host_wakeup_notify(struct wilc *wilc) if (ret) return ret; - wilc->hif_func->hif_write_reg(wilc, WILC_CORTUS_INTERRUPT_2, 1); + wilc->hif_func->hif_write_reg(wilc, is_wilc1000(wilc->chipid) ? + WILC1000_CORTUS_INTERRUPT_2 : + WILC3000_CORTUS_INTERRUPT_2, 1); return release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); } EXPORT_SYMBOL_GPL(host_wakeup_notify); @@ -707,7 +811,9 @@ int host_sleep_notify(struct wilc *wilc) if (ret) return ret; - wilc->hif_func->hif_write_reg(wilc, WILC_CORTUS_INTERRUPT_1, 1); + wilc->hif_func->hif_write_reg(wilc, is_wilc1000(wilc->chipid) ? + WILC1000_CORTUS_INTERRUPT_1 : + WILC3000_CORTUS_INTERRUPT_1, 1); return release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); } EXPORT_SYMBOL_GPL(host_sleep_notify); @@ -842,19 +948,45 @@ int wilc_wlan_handle_txq(struct wilc *wilc, u32 *txq_count) if (ret) break; - ret = func->hif_write_reg(wilc, WILC_HOST_VMM_CTL, 0x2); - if (ret) - break; + if (is_wilc1000(wilc->chipid)) { + ret = func->hif_write_reg(wilc, WILC_HOST_VMM_CTL, 0x2); + if (ret) + break; - do { - ret = func->hif_read_reg(wilc, WILC_HOST_VMM_CTL, ®); + do { + ret = func->hif_read_reg(wilc, WILC_HOST_VMM_CTL, ®); + if (ret) + break; + if (FIELD_GET(WILC_VMM_ENTRY_AVAILABLE, reg)) { + entries = FIELD_GET(WILC_VMM_ENTRY_COUNT, reg); + break; + } + } while (--timeout); + } else { + ret = func->hif_write_reg(wilc, WILC_HOST_VMM_CTL, 0); if (ret) break; - if (FIELD_GET(WILC_VMM_ENTRY_AVAILABLE, reg)) { - entries = FIELD_GET(WILC_VMM_ENTRY_COUNT, reg); + + /* interrupt firmware */ + ret = func->hif_write_reg(wilc, WILC_CORTUS_INTERRUPT_BASE, 1); + if (ret) break; - } - } while (--timeout); + + do { + ret = func->hif_read_reg(wilc, WILC_CORTUS_INTERRUPT_BASE, ®); + if (ret) + break; + if (reg == 0) { + /* Get the entries */ + ret = func->hif_read_reg(wilc, WILC_HOST_VMM_CTL, ®); + if (ret) + break; + + entries = FIELD_GET(WILC_VMM_ENTRY_COUNT, reg); + break; + } + } while (--timeout); + } if (timeout <= 0) { ret = func->hif_write_reg(wilc, WILC_HOST_VMM_CTL, 0x0); break; @@ -1212,6 +1344,9 @@ int wilc_wlan_start(struct wilc *wilc) if (wilc->io_type == WILC_HIF_SDIO && wilc->dev_irq_num) reg |= WILC_HAVE_SDIO_IRQ_GPIO; + if (is_wilc3000(wilc->chipid)) + reg |= WILC_HAVE_SLEEP_CLK_SRC_RTC; + ret = wilc->hif_func->hif_write_reg(wilc, WILC_GP_REG_1, reg); if (ret) goto release; @@ -1462,21 +1597,25 @@ int wilc_get_chipid(struct wilc *wilc) u32 rfrevid = 0; if (wilc->chipid == 0) { - wilc->hif_func->hif_read_reg(wilc, WILC_CHIPID, &chipid); - wilc->hif_func->hif_read_reg(wilc, WILC_RF_REVISION_ID, - &rfrevid); - if (!is_wilc1000(chipid)) { - wilc->chipid = 0; - return -EINVAL; - } - if (chipid == WILC_1000_BASE_ID_2A) { /* 0x1002A0 */ - if (rfrevid != 0x1) - chipid = WILC_1000_BASE_ID_2A_REV1; - } else if (chipid == WILC_1000_BASE_ID_2B) { /* 0x1002B0 */ - if (rfrevid == 0x4) - chipid = WILC_1000_BASE_ID_2B_REV1; - else if (rfrevid != 0x3) - chipid = WILC_1000_BASE_ID_2B_REV2; + wilc->hif_func->hif_read_reg(wilc, WILC3000_CHIP_ID, &chipid); + if (!is_wilc3000(chipid)) { + wilc->hif_func->hif_read_reg(wilc, WILC_CHIPID, &chipid); + wilc->hif_func->hif_read_reg(wilc, WILC_RF_REVISION_ID, + &rfrevid); + + if (!is_wilc1000(chipid)) { + wilc->chipid = 0; + return -EINVAL; + } + if (chipid == WILC_1000_BASE_ID_2A) { /* 0x1002A0 */ + if (rfrevid != 0x1) + chipid = WILC_1000_BASE_ID_2A_REV1; + } else if (chipid == WILC_1000_BASE_ID_2B) { /* 0x1002B0 */ + if (rfrevid == 0x4) + chipid = WILC_1000_BASE_ID_2B_REV1; + else if (rfrevid != 0x3) + chipid = WILC_1000_BASE_ID_2B_REV2; + } } wilc->chipid = chipid; @@ -1525,6 +1664,21 @@ static int init_chip(struct net_device *dev) } } + if (is_wilc3000(wilc->chipid)) { + ret = wilc->hif_func->hif_read_reg(wilc, WILC3000_BOOTROM_STATUS, ®); + if (ret) { + netdev_err(dev, "failed to read WILC3000 BootROM status register\n"); + goto release; + } + + ret = wilc->hif_func->hif_write_reg(wilc, WILC3000_CORTUS_BOOT_REGISTER_2, + WILC_CORTUS_BOOT_FROM_IRAM); + if (ret) { + netdev_err(dev, "failed to write WILC3000 Boot register\n"); + goto release; + } + } + release: rv = release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); @@ -1606,7 +1760,7 @@ int wilc_wlan_init(struct net_device *dev) if (ret) goto fail; - if (!is_wilc1000(wilc->chipid)) { + if (!is_wilc1000(wilc->chipid) && !is_wilc3000(wilc->chipid)) { netdev_err(dev, "Unsupported chipid: %x\n", wilc->chipid); ret = -EINVAL; goto fail; diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.h b/drivers/net/wireless/microchip/wilc1000/wlan.h index 552590823e444..b9e7f9222eadd 100644 --- a/drivers/net/wireless/microchip/wilc1000/wlan.h +++ b/drivers/net/wireless/microchip/wilc1000/wlan.h @@ -96,8 +96,14 @@ #define WILC_SPI_WAKEUP_REG 0x1 #define WILC_SPI_WAKEUP_BIT BIT(1) -#define WILC_SPI_CLK_STATUS_REG 0x0f -#define WILC_SPI_CLK_STATUS_BIT BIT(2) +/* WILC1000 specific */ +#define WILC1000_SPI_CLK_STATUS_REG 0x0f +#define WILC1000_SPI_CLK_STATUS_BIT BIT(2) + +/* WILC3000 specific */ +#define WILC3000_SPI_CLK_STATUS_REG 0x13 +#define WILC3000_SPI_CLK_STATUS_BIT BIT(2) + #define WILC_SPI_HOST_TO_FW_REG 0x0b #define WILC_SPI_HOST_TO_FW_BIT BIT(0) @@ -123,14 +129,24 @@ #define WILC_SDIO_WAKEUP_REG 0xf0 #define WILC_SDIO_WAKEUP_BIT BIT(0) -#define WILC_SDIO_CLK_STATUS_REG 0xf1 -#define WILC_SDIO_CLK_STATUS_BIT BIT(0) +/* WILC1000 */ +#define WILC1000_SDIO_CLK_STATUS_REG 0xf1 +#define WILC1000_SDIO_CLK_STATUS_BIT BIT(0) + +#define WILC1000_SDIO_IRQ_FLAG_REG 0xf7 +#define WILC1000_SDIO_IRQ_CLEAR_FLAG_REG 0xf8 + +/* WILC3000 specific */ +#define WILC3000_SDIO_CLK_STATUS_REG 0xf0 /* clk & wakeup are on same reg */ +#define WILC3000_SDIO_CLK_STATUS_BIT BIT(4) + +#define WILC3000_SDIO_VMM_TBL_CTRL_REG 0xf1 +#define WILC3000_SDIO_IRQ_FLAG_REG 0xfe +/* Common vendor specific CCCR register */ #define WILC_SDIO_INTERRUPT_DATA_SZ_REG 0xf2 /* Read size (2 bytes) */ #define WILC_SDIO_VMM_TBL_CTRL_REG 0xf6 -#define WILC_SDIO_IRQ_FLAG_REG 0xf7 -#define WILC_SDIO_IRQ_CLEAR_FLAG_REG 0xf8 #define WILC_SDIO_HOST_TO_FW_REG 0xfa #define WILC_SDIO_HOST_TO_FW_BIT BIT(0) @@ -172,8 +188,11 @@ #define WILC_HAVE_USE_IRQ_AS_HOST_WAKE BIT(8) #define WILC_CORTUS_INTERRUPT_BASE 0x10A8 -#define WILC_CORTUS_INTERRUPT_1 (WILC_CORTUS_INTERRUPT_BASE + 0x4) -#define WILC_CORTUS_INTERRUPT_2 (WILC_CORTUS_INTERRUPT_BASE + 0x8) +#define WILC1000_CORTUS_INTERRUPT_1 (WILC_CORTUS_INTERRUPT_BASE + 0x4) +#define WILC3000_CORTUS_INTERRUPT_1 (WILC_CORTUS_INTERRUPT_BASE + 0x14) + +#define WILC1000_CORTUS_INTERRUPT_2 (WILC_CORTUS_INTERRUPT_BASE + 0x8) +#define WILC3000_CORTUS_INTERRUPT_2 (WILC_CORTUS_INTERRUPT_BASE + 0x18) /* tx control register 1 to 4 for RX */ #define WILC_REG_4_TO_1_RX 0x1e1c @@ -183,6 +202,9 @@ #define WILC_CORTUS_RESET_MUX_SEL 0x1118 #define WILC_CORTUS_BOOT_REGISTER 0xc0000 +#define WILC3000_BOOTROM_STATUS 0x207ac +#define WILC3000_CORTUS_BOOT_REGISTER_2 0x4f0000 +#define WILC3000_CHIP_ID 0x3b0000 #define WILC_CORTUS_BOOT_FROM_IRAM 0x71 @@ -195,6 +217,8 @@ #define WILC_1000_BASE_ID_2B_REV1 (WILC_1000_BASE_ID_2B + 1) #define WILC_1000_BASE_ID_2B_REV2 (WILC_1000_BASE_ID_2B + 2) +#define WILC_3000_BASE_ID 0x300000 + #define WILC_CHIP_REV_FIELD GENMASK(11, 0) /******************************************** @@ -413,6 +437,11 @@ static inline bool is_wilc1000(u32 id) return (id & (~WILC_CHIP_REV_FIELD)) == WILC_1000_BASE_ID; } +static inline bool is_wilc3000(u32 id) +{ + return (id & (~WILC_CHIP_REV_FIELD)) == WILC_3000_BASE_ID; +} + int wilc_wlan_firmware_download(struct wilc *wilc, const u8 *buffer, u32 buffer_size); int wilc_wlan_start(struct wilc *wilc);