From patchwork Mon Jan 17 14:29:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 12715471 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4AF1C4332F for ; Mon, 17 Jan 2022 14:30:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238934AbiAQOae (ORCPT ); Mon, 17 Jan 2022 09:30:34 -0500 Received: from marcansoft.com ([212.63.210.85]:55760 "EHLO mail.marcansoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238653AbiAQOad (ORCPT ); Mon, 17 Jan 2022 09:30:33 -0500 Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: hector@marcansoft.com) by mail.marcansoft.com (Postfix) with ESMTPSA id 1055041E96; Mon, 17 Jan 2022 14:30:22 +0000 (UTC) From: Hector Martin To: Kalle Valo , "David S. Miller" , Jakub Kicinski , Rob Herring , "Rafael J. Wysocki" , Len Brown , Arend van Spriel , Franky Lin , Hante Meuleman , Chi-hsien Lin , Wright Feng , Dmitry Osipenko Cc: Hector Martin , Sven Peter , Alyssa Rosenzweig , Mark Kettenis , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , Pieter-Paul Giesberts , Linus Walleij , Hans de Goede , "John W. Linville" , "brian m. carlson" , Andy Shevchenko , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, SHA-cyfmac-dev-list@infineon.com Subject: [PATCH v3 1/9] brcmfmac: pcie: Release firmwares in the brcmf_pcie_setup error path Date: Mon, 17 Jan 2022 23:29:11 +0900 Message-Id: <20220117142919.207370-2-marcan@marcan.st> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220117142919.207370-1-marcan@marcan.st> References: <20220117142919.207370-1-marcan@marcan.st> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This avoids leaking memory if brcmf_chip_get_raminfo fails. Note that the CLM blob is released in the device remove path. Fixes: 82f93cf46d60 ("brcmfmac: get chip's default RAM info during PCIe setup") Reviewed-by: Linus Walleij Signed-off-by: Hector Martin Reviewed-by: Arend van Spriel --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c index 8b149996fc00..f876b1d8d00d 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -1777,6 +1777,8 @@ static void brcmf_pcie_setup(struct device *dev, int ret, ret = brcmf_chip_get_raminfo(devinfo->ci); if (ret) { brcmf_err(bus, "Failed to get RAM info\n"); + release_firmware(fw); + brcmf_fw_nvram_free(nvram); goto fail; } From patchwork Mon Jan 17 14:29:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 12715472 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B435DC43219 for ; Mon, 17 Jan 2022 14:30:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239524AbiAQOam (ORCPT ); Mon, 17 Jan 2022 09:30:42 -0500 Received: from marcansoft.com ([212.63.210.85]:55812 "EHLO mail.marcansoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239105AbiAQOak (ORCPT ); Mon, 17 Jan 2022 09:30:40 -0500 Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: hector@marcansoft.com) by mail.marcansoft.com (Postfix) with ESMTPSA id 0029442137; Mon, 17 Jan 2022 14:30:30 +0000 (UTC) From: Hector Martin To: Kalle Valo , "David S. Miller" , Jakub Kicinski , Rob Herring , "Rafael J. Wysocki" , Len Brown , Arend van Spriel , Franky Lin , Hante Meuleman , Chi-hsien Lin , Wright Feng , Dmitry Osipenko Cc: Hector Martin , Sven Peter , Alyssa Rosenzweig , Mark Kettenis , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , Pieter-Paul Giesberts , Linus Walleij , Hans de Goede , "John W. Linville" , "brian m. carlson" , Andy Shevchenko , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, SHA-cyfmac-dev-list@infineon.com Subject: [PATCH v3 2/9] brcmfmac: firmware: Allocate space for default boardrev in nvram Date: Mon, 17 Jan 2022 23:29:12 +0900 Message-Id: <20220117142919.207370-3-marcan@marcan.st> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220117142919.207370-1-marcan@marcan.st> References: <20220117142919.207370-1-marcan@marcan.st> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org If boardrev is missing from the NVRAM we add a default one, but this might need more space in the output buffer than was allocated. Ensure we have enough padding for this in the buffer. Fixes: 46f2b38a91b0 ("brcmfmac: insert default boardrev in nvram data if missing") Signed-off-by: Hector Martin Reviewed-by: Arend van Spriel --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c index 0eb13e5df517..1001c8888bfe 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c @@ -207,6 +207,8 @@ static int brcmf_init_nvram_parser(struct nvram_parser *nvp, size = BRCMF_FW_MAX_NVRAM_SIZE; else size = data_len; + /* Add space for properties we may add */ + size += strlen(BRCMF_FW_DEFAULT_BOARDREV) + 1; /* Alloc for extra 0 byte + roundup by 4 + length field */ size += 1 + 3 + sizeof(u32); nvp->nvram = kzalloc(size, GFP_KERNEL); From patchwork Mon Jan 17 14:29:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 12715473 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 884D4C433FE for ; Mon, 17 Jan 2022 14:31:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239853AbiAQObI (ORCPT ); Mon, 17 Jan 2022 09:31:08 -0500 Received: from marcansoft.com ([212.63.210.85]:55880 "EHLO mail.marcansoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239253AbiAQOas (ORCPT ); Mon, 17 Jan 2022 09:30:48 -0500 Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: hector@marcansoft.com) by mail.marcansoft.com (Postfix) with ESMTPSA id EF4854219F; Mon, 17 Jan 2022 14:30:38 +0000 (UTC) From: Hector Martin To: Kalle Valo , "David S. Miller" , Jakub Kicinski , Rob Herring , "Rafael J. Wysocki" , Len Brown , Arend van Spriel , Franky Lin , Hante Meuleman , Chi-hsien Lin , Wright Feng , Dmitry Osipenko Cc: Hector Martin , Sven Peter , Alyssa Rosenzweig , Mark Kettenis , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , Pieter-Paul Giesberts , Linus Walleij , Hans de Goede , "John W. Linville" , "brian m. carlson" , Andy Shevchenko , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, SHA-cyfmac-dev-list@infineon.com Subject: [PATCH v3 3/9] brcmfmac: firmware: Do not crash on a NULL board_type Date: Mon, 17 Jan 2022 23:29:13 +0900 Message-Id: <20220117142919.207370-4-marcan@marcan.st> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220117142919.207370-1-marcan@marcan.st> References: <20220117142919.207370-1-marcan@marcan.st> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This unbreaks support for USB devices, which do not have a board_type to create an alt_path out of and thus were running into a NULL dereference. Fixes: 5ff013914c62 ("brcmfmac: firmware: Allow per-board firmware binaries") Signed-off-by: Hector Martin Reviewed-by: Arend van Spriel Reviewed-by: Dmitry Osipenko --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c index 1001c8888bfe..63821856bbe1 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c @@ -599,6 +599,9 @@ static char *brcm_alt_fw_path(const char *path, const char *board_type) char alt_path[BRCMF_FW_NAME_LEN]; char suffix[5]; + if (!board_type) + return NULL; + strscpy(alt_path, path, BRCMF_FW_NAME_LEN); /* At least one character + suffix */ if (strlen(alt_path) < 5) From patchwork Mon Jan 17 14:29:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 12715476 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 62005C433EF for ; Mon, 17 Jan 2022 14:31:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240241AbiAQObs (ORCPT ); Mon, 17 Jan 2022 09:31:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38570 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239064AbiAQObZ (ORCPT ); Mon, 17 Jan 2022 09:31:25 -0500 Received: from mail.marcansoft.com (marcansoft.com [IPv6:2a01:298:fe:f::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E5BD1C061751; Mon, 17 Jan 2022 06:30:55 -0800 (PST) Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: hector@marcansoft.com) by mail.marcansoft.com (Postfix) with ESMTPSA id DFEC0421F5; Mon, 17 Jan 2022 14:30:46 +0000 (UTC) From: Hector Martin To: Kalle Valo , "David S. Miller" , Jakub Kicinski , Rob Herring , "Rafael J. Wysocki" , Len Brown , Arend van Spriel , Franky Lin , Hante Meuleman , Chi-hsien Lin , Wright Feng , Dmitry Osipenko Cc: Hector Martin , Sven Peter , Alyssa Rosenzweig , Mark Kettenis , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , Pieter-Paul Giesberts , Linus Walleij , Hans de Goede , "John W. Linville" , "brian m. carlson" , Andy Shevchenko , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, SHA-cyfmac-dev-list@infineon.com, Arend van Spriel Subject: [PATCH v3 4/9] brcmfmac: pcie: Declare missing firmware files in pcie.c Date: Mon, 17 Jan 2022 23:29:14 +0900 Message-Id: <20220117142919.207370-5-marcan@marcan.st> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220117142919.207370-1-marcan@marcan.st> References: <20220117142919.207370-1-marcan@marcan.st> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Move one of the declarations from sdio.c to pcie.c, since it makes no sense in the former (SDIO support is optional), and add missing ones. Fixes: 75729e110e68 ("brcmfmac: expose firmware config files through modinfo") Reviewed-by: Linus Walleij Reviewed-by: Arend van Spriel Signed-off-by: Hector Martin --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 7 +++++++ drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 1 - 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c index f876b1d8d00d..b1ae6c41013f 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -59,6 +59,13 @@ BRCMF_FW_DEF(4366B, "brcmfmac4366b-pcie"); BRCMF_FW_DEF(4366C, "brcmfmac4366c-pcie"); BRCMF_FW_DEF(4371, "brcmfmac4371-pcie"); +/* firmware config files */ +MODULE_FIRMWARE(BRCMF_FW_DEFAULT_PATH "brcmfmac*-pcie.txt"); +MODULE_FIRMWARE(BRCMF_FW_DEFAULT_PATH "brcmfmac*-pcie.*.txt"); + +/* per-board firmware binaries */ +MODULE_FIRMWARE(BRCMF_FW_DEFAULT_PATH "brcmfmac*-pcie.*.bin"); + static const struct brcmf_firmware_mapping brcmf_pcie_fwnames[] = { BRCMF_FW_ENTRY(BRCM_CC_43602_CHIP_ID, 0xFFFFFFFF, 43602), BRCMF_FW_ENTRY(BRCM_CC_43465_CHIP_ID, 0xFFFFFFF0, 4366C), diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index 8effeb7a7269..5d156e591b35 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -629,7 +629,6 @@ BRCMF_FW_CLM_DEF(43752, "brcmfmac43752-sdio"); /* firmware config files */ MODULE_FIRMWARE(BRCMF_FW_DEFAULT_PATH "brcmfmac*-sdio.*.txt"); -MODULE_FIRMWARE(BRCMF_FW_DEFAULT_PATH "brcmfmac*-pcie.*.txt"); /* per-board firmware binaries */ MODULE_FIRMWARE(BRCMF_FW_DEFAULT_PATH "brcmfmac*-sdio.*.bin"); From patchwork Mon Jan 17 14:29:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 12715474 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 740DAC43217 for ; Mon, 17 Jan 2022 14:31:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239844AbiAQOb2 (ORCPT ); Mon, 17 Jan 2022 09:31:28 -0500 Received: from marcansoft.com ([212.63.210.85]:56010 "EHLO mail.marcansoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239211AbiAQObE (ORCPT ); Mon, 17 Jan 2022 09:31:04 -0500 Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: hector@marcansoft.com) by mail.marcansoft.com (Postfix) with ESMTPSA id 15DCA41AC8; Mon, 17 Jan 2022 14:30:54 +0000 (UTC) From: Hector Martin To: Kalle Valo , "David S. Miller" , Jakub Kicinski , Rob Herring , "Rafael J. Wysocki" , Len Brown , Arend van Spriel , Franky Lin , Hante Meuleman , Chi-hsien Lin , Wright Feng , Dmitry Osipenko Cc: Hector Martin , Sven Peter , Alyssa Rosenzweig , Mark Kettenis , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , Pieter-Paul Giesberts , Linus Walleij , Hans de Goede , "John W. Linville" , "brian m. carlson" , Andy Shevchenko , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, SHA-cyfmac-dev-list@infineon.com Subject: [PATCH v3 5/9] brcmfmac: pcie: Replace brcmf_pcie_copy_mem_todev with memcpy_toio Date: Mon, 17 Jan 2022 23:29:15 +0900 Message-Id: <20220117142919.207370-6-marcan@marcan.st> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220117142919.207370-1-marcan@marcan.st> References: <20220117142919.207370-1-marcan@marcan.st> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org The alignment check was wrong (e.g. & 4 instead of & 3), and the logic was also inefficient if the length was not a multiple of 4, since it would needlessly fall back to copying the entire buffer bytewise. We already have a perfectly good memcpy_toio function, so just call that instead of rolling our own copy logic here. brcmf_pcie_init_ringbuffers was already using it anyway. Fixes: 9e37f045d5e7 ("brcmfmac: Adding PCIe bus layer support.") Reviewed-by: Linus Walleij Signed-off-by: Hector Martin Reviewed-by: Arend van Spriel Reviewed-by: Andy Shevchenko --- .../broadcom/brcm80211/brcmfmac/pcie.c | 48 ++----------------- 1 file changed, 4 insertions(+), 44 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c index b1ae6c41013f..c25f48db1f60 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include @@ -454,47 +455,6 @@ brcmf_pcie_write_ram32(struct brcmf_pciedev_info *devinfo, u32 mem_offset, } -static void -brcmf_pcie_copy_mem_todev(struct brcmf_pciedev_info *devinfo, u32 mem_offset, - void *srcaddr, u32 len) -{ - void __iomem *address = devinfo->tcm + mem_offset; - __le32 *src32; - __le16 *src16; - u8 *src8; - - if (((ulong)address & 4) || ((ulong)srcaddr & 4) || (len & 4)) { - if (((ulong)address & 2) || ((ulong)srcaddr & 2) || (len & 2)) { - src8 = (u8 *)srcaddr; - while (len) { - iowrite8(*src8, address); - address++; - src8++; - len--; - } - } else { - len = len / 2; - src16 = (__le16 *)srcaddr; - while (len) { - iowrite16(le16_to_cpu(*src16), address); - address += 2; - src16++; - len--; - } - } - } else { - len = len / 4; - src32 = (__le32 *)srcaddr; - while (len) { - iowrite32(le32_to_cpu(*src32), address); - address += 4; - src32++; - len--; - } - } -} - - static void brcmf_pcie_copy_dev_tomem(struct brcmf_pciedev_info *devinfo, u32 mem_offset, void *dstaddr, u32 len) @@ -1570,8 +1530,8 @@ static int brcmf_pcie_download_fw_nvram(struct brcmf_pciedev_info *devinfo, return err; brcmf_dbg(PCIE, "Download FW %s\n", devinfo->fw_name); - brcmf_pcie_copy_mem_todev(devinfo, devinfo->ci->rambase, - (void *)fw->data, fw->size); + memcpy_toio(devinfo->tcm + devinfo->ci->rambase, + (void *)fw->data, fw->size); resetintr = get_unaligned_le32(fw->data); release_firmware(fw); @@ -1585,7 +1545,7 @@ static int brcmf_pcie_download_fw_nvram(struct brcmf_pciedev_info *devinfo, brcmf_dbg(PCIE, "Download NVRAM %s\n", devinfo->nvram_name); address = devinfo->ci->rambase + devinfo->ci->ramsize - nvram_len; - brcmf_pcie_copy_mem_todev(devinfo, address, nvram, nvram_len); + memcpy_toio(devinfo->tcm + address, nvram, nvram_len); brcmf_fw_nvram_free(nvram); } else { brcmf_dbg(PCIE, "No matching NVRAM file found %s\n", From patchwork Mon Jan 17 14:29:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 12715477 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3E471C433FE for ; Mon, 17 Jan 2022 14:31:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240272AbiAQObx (ORCPT ); Mon, 17 Jan 2022 09:31:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38502 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239730AbiAQOb2 (ORCPT ); Mon, 17 Jan 2022 09:31:28 -0500 Received: from mail.marcansoft.com (marcansoft.com [IPv6:2a01:298:fe:f::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32421C06175B; Mon, 17 Jan 2022 06:31:12 -0800 (PST) Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: hector@marcansoft.com) by mail.marcansoft.com (Postfix) with ESMTPSA id 235D541E96; Mon, 17 Jan 2022 14:31:02 +0000 (UTC) From: Hector Martin To: Kalle Valo , "David S. Miller" , Jakub Kicinski , Rob Herring , "Rafael J. Wysocki" , Len Brown , Arend van Spriel , Franky Lin , Hante Meuleman , Chi-hsien Lin , Wright Feng , Dmitry Osipenko Cc: Hector Martin , Sven Peter , Alyssa Rosenzweig , Mark Kettenis , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , Pieter-Paul Giesberts , Linus Walleij , Hans de Goede , "John W. Linville" , "brian m. carlson" , Andy Shevchenko , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, SHA-cyfmac-dev-list@infineon.com, Arend van Spriel Subject: [PATCH v3 6/9] brcmfmac: pcie: Fix crashes due to early IRQs Date: Mon, 17 Jan 2022 23:29:16 +0900 Message-Id: <20220117142919.207370-7-marcan@marcan.st> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220117142919.207370-1-marcan@marcan.st> References: <20220117142919.207370-1-marcan@marcan.st> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org The driver was enabling IRQs before the message processing was initialized. This could cause IRQs to come in too early and crash the driver. Instead, move the IRQ enable and hostready to a bus preinit function, at which point everything is properly initialized. Fixes: 9e37f045d5e7 ("brcmfmac: Adding PCIe bus layer support.") Reviewed-by: Linus Walleij Reviewed-by: Arend van Spriel Signed-off-by: Hector Martin --- .../wireless/broadcom/brcm80211/brcmfmac/pcie.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c index c25f48db1f60..3ff4997e1c97 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -1315,6 +1315,18 @@ static void brcmf_pcie_down(struct device *dev) { } +static int brcmf_pcie_preinit(struct device *dev) +{ + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_pciedev *buspub = bus_if->bus_priv.pcie; + + brcmf_dbg(PCIE, "Enter\n"); + + brcmf_pcie_intr_enable(buspub->devinfo); + brcmf_pcie_hostready(buspub->devinfo); + + return 0; +} static int brcmf_pcie_tx(struct device *dev, struct sk_buff *skb) { @@ -1423,6 +1435,7 @@ static int brcmf_pcie_reset(struct device *dev) } static const struct brcmf_bus_ops brcmf_pcie_bus_ops = { + .preinit = brcmf_pcie_preinit, .txdata = brcmf_pcie_tx, .stop = brcmf_pcie_down, .txctl = brcmf_pcie_tx_ctlpkt, @@ -1795,9 +1808,6 @@ static void brcmf_pcie_setup(struct device *dev, int ret, init_waitqueue_head(&devinfo->mbdata_resp_wait); - brcmf_pcie_intr_enable(devinfo); - brcmf_pcie_hostready(devinfo); - ret = brcmf_attach(&devinfo->pdev->dev); if (ret) goto fail; From patchwork Mon Jan 17 14:29:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 12715475 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7961C4332F for ; Mon, 17 Jan 2022 14:31:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239702AbiAQObi (ORCPT ); Mon, 17 Jan 2022 09:31:38 -0500 Received: from marcansoft.com ([212.63.210.85]:56132 "EHLO mail.marcansoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239983AbiAQObV (ORCPT ); Mon, 17 Jan 2022 09:31:21 -0500 Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: hector@marcansoft.com) by mail.marcansoft.com (Postfix) with ESMTPSA id 4E31A42137; Mon, 17 Jan 2022 14:31:11 +0000 (UTC) From: Hector Martin To: Kalle Valo , "David S. Miller" , Jakub Kicinski , Rob Herring , "Rafael J. Wysocki" , Len Brown , Arend van Spriel , Franky Lin , Hante Meuleman , Chi-hsien Lin , Wright Feng , Dmitry Osipenko Cc: Hector Martin , Sven Peter , Alyssa Rosenzweig , Mark Kettenis , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , Pieter-Paul Giesberts , Linus Walleij , Hans de Goede , "John W. Linville" , "brian m. carlson" , Andy Shevchenko , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, SHA-cyfmac-dev-list@infineon.com Subject: [PATCH v3 7/9] brcmfmac: of: Use devm_kstrdup for board_type & check for errors Date: Mon, 17 Jan 2022 23:29:17 +0900 Message-Id: <20220117142919.207370-8-marcan@marcan.st> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220117142919.207370-1-marcan@marcan.st> References: <20220117142919.207370-1-marcan@marcan.st> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This was missing a NULL check, and we can collapse the strlen/alloc/copy into a devm_kstrdup(). Signed-off-by: Hector Martin Reviewed-by: Arend van Spriel Reviewed-by: Andy Shevchenko --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c index 513c7e6421b2..5dc1e942e9e7 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c @@ -79,8 +79,12 @@ void brcmf_of_probe(struct device *dev, enum brcmf_bus_type bus_type, /* get rid of '/' in the compatible string to be able to find the FW */ len = strlen(tmp) + 1; - board_type = devm_kzalloc(dev, len, GFP_KERNEL); - strscpy(board_type, tmp, len); + board_type = devm_kstrdup(dev, tmp, GFP_KERNEL); + if (!board_type) { + brcmf_err("out of memory allocating board_type\n"); + of_node_put(root); + return; + } for (i = 0; i < board_type[i]; i++) { if (board_type[i] == '/') board_type[i] = '-'; From patchwork Mon Jan 17 14:29:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 12715478 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90DC7C433EF for ; Mon, 17 Jan 2022 14:31:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240253AbiAQObv (ORCPT ); Mon, 17 Jan 2022 09:31:51 -0500 Received: from marcansoft.com ([212.63.210.85]:56182 "EHLO mail.marcansoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239675AbiAQOb2 (ORCPT ); Mon, 17 Jan 2022 09:31:28 -0500 Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: hector@marcansoft.com) by mail.marcansoft.com (Postfix) with ESMTPSA id 3F33C4219F; Mon, 17 Jan 2022 14:31:19 +0000 (UTC) From: Hector Martin To: Kalle Valo , "David S. Miller" , Jakub Kicinski , Rob Herring , "Rafael J. Wysocki" , Len Brown , Arend van Spriel , Franky Lin , Hante Meuleman , Chi-hsien Lin , Wright Feng , Dmitry Osipenko Cc: Hector Martin , Sven Peter , Alyssa Rosenzweig , Mark Kettenis , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , Pieter-Paul Giesberts , Linus Walleij , Hans de Goede , "John W. Linville" , "brian m. carlson" , Andy Shevchenko , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, SHA-cyfmac-dev-list@infineon.com Subject: [PATCH v3 8/9] brcmfmac: fwil: Constify iovar name arguments Date: Mon, 17 Jan 2022 23:29:18 +0900 Message-Id: <20220117142919.207370-9-marcan@marcan.st> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220117142919.207370-1-marcan@marcan.st> References: <20220117142919.207370-1-marcan@marcan.st> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Make all the iovar name arguments const char * instead of just char *. Reviewed-by: Linus Walleij Signed-off-by: Hector Martin Reviewed-by: Arend van Spriel Reviewed-by: Andy Shevchenko --- .../broadcom/brcm80211/brcmfmac/fwil.c | 34 +++++++++---------- .../broadcom/brcm80211/brcmfmac/fwil.h | 28 +++++++-------- 2 files changed, 31 insertions(+), 31 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c index d5578ca681bb..72fe8bce6eaf 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c @@ -192,7 +192,7 @@ brcmf_fil_cmd_int_get(struct brcmf_if *ifp, u32 cmd, u32 *data) } static u32 -brcmf_create_iovar(char *name, const char *data, u32 datalen, +brcmf_create_iovar(const char *name, const char *data, u32 datalen, char *buf, u32 buflen) { u32 len; @@ -213,7 +213,7 @@ brcmf_create_iovar(char *name, const char *data, u32 datalen, s32 -brcmf_fil_iovar_data_set(struct brcmf_if *ifp, char *name, const void *data, +brcmf_fil_iovar_data_set(struct brcmf_if *ifp, const char *name, const void *data, u32 len) { struct brcmf_pub *drvr = ifp->drvr; @@ -241,7 +241,7 @@ brcmf_fil_iovar_data_set(struct brcmf_if *ifp, char *name, const void *data, } s32 -brcmf_fil_iovar_data_get(struct brcmf_if *ifp, char *name, void *data, +brcmf_fil_iovar_data_get(struct brcmf_if *ifp, const char *name, void *data, u32 len) { struct brcmf_pub *drvr = ifp->drvr; @@ -272,7 +272,7 @@ brcmf_fil_iovar_data_get(struct brcmf_if *ifp, char *name, void *data, } s32 -brcmf_fil_iovar_int_set(struct brcmf_if *ifp, char *name, u32 data) +brcmf_fil_iovar_int_set(struct brcmf_if *ifp, const char *name, u32 data) { __le32 data_le = cpu_to_le32(data); @@ -280,7 +280,7 @@ brcmf_fil_iovar_int_set(struct brcmf_if *ifp, char *name, u32 data) } s32 -brcmf_fil_iovar_int_get(struct brcmf_if *ifp, char *name, u32 *data) +brcmf_fil_iovar_int_get(struct brcmf_if *ifp, const char *name, u32 *data) { __le32 data_le = cpu_to_le32(*data); s32 err; @@ -292,7 +292,7 @@ brcmf_fil_iovar_int_get(struct brcmf_if *ifp, char *name, u32 *data) } static u32 -brcmf_create_bsscfg(s32 bsscfgidx, char *name, char *data, u32 datalen, +brcmf_create_bsscfg(s32 bsscfgidx, const char *name, char *data, u32 datalen, char *buf, u32 buflen) { const s8 *prefix = "bsscfg:"; @@ -337,7 +337,7 @@ brcmf_create_bsscfg(s32 bsscfgidx, char *name, char *data, u32 datalen, } s32 -brcmf_fil_bsscfg_data_set(struct brcmf_if *ifp, char *name, +brcmf_fil_bsscfg_data_set(struct brcmf_if *ifp, const char *name, void *data, u32 len) { struct brcmf_pub *drvr = ifp->drvr; @@ -366,7 +366,7 @@ brcmf_fil_bsscfg_data_set(struct brcmf_if *ifp, char *name, } s32 -brcmf_fil_bsscfg_data_get(struct brcmf_if *ifp, char *name, +brcmf_fil_bsscfg_data_get(struct brcmf_if *ifp, const char *name, void *data, u32 len) { struct brcmf_pub *drvr = ifp->drvr; @@ -396,7 +396,7 @@ brcmf_fil_bsscfg_data_get(struct brcmf_if *ifp, char *name, } s32 -brcmf_fil_bsscfg_int_set(struct brcmf_if *ifp, char *name, u32 data) +brcmf_fil_bsscfg_int_set(struct brcmf_if *ifp, const char *name, u32 data) { __le32 data_le = cpu_to_le32(data); @@ -405,7 +405,7 @@ brcmf_fil_bsscfg_int_set(struct brcmf_if *ifp, char *name, u32 data) } s32 -brcmf_fil_bsscfg_int_get(struct brcmf_if *ifp, char *name, u32 *data) +brcmf_fil_bsscfg_int_get(struct brcmf_if *ifp, const char *name, u32 *data) { __le32 data_le = cpu_to_le32(*data); s32 err; @@ -417,7 +417,7 @@ brcmf_fil_bsscfg_int_get(struct brcmf_if *ifp, char *name, u32 *data) return err; } -static u32 brcmf_create_xtlv(char *name, u16 id, char *data, u32 len, +static u32 brcmf_create_xtlv(const char *name, u16 id, char *data, u32 len, char *buf, u32 buflen) { u32 iolen; @@ -438,7 +438,7 @@ static u32 brcmf_create_xtlv(char *name, u16 id, char *data, u32 len, return iolen; } -s32 brcmf_fil_xtlv_data_set(struct brcmf_if *ifp, char *name, u16 id, +s32 brcmf_fil_xtlv_data_set(struct brcmf_if *ifp, const char *name, u16 id, void *data, u32 len) { struct brcmf_pub *drvr = ifp->drvr; @@ -466,7 +466,7 @@ s32 brcmf_fil_xtlv_data_set(struct brcmf_if *ifp, char *name, u16 id, return err; } -s32 brcmf_fil_xtlv_data_get(struct brcmf_if *ifp, char *name, u16 id, +s32 brcmf_fil_xtlv_data_get(struct brcmf_if *ifp, const char *name, u16 id, void *data, u32 len) { struct brcmf_pub *drvr = ifp->drvr; @@ -495,7 +495,7 @@ s32 brcmf_fil_xtlv_data_get(struct brcmf_if *ifp, char *name, u16 id, return err; } -s32 brcmf_fil_xtlv_int_set(struct brcmf_if *ifp, char *name, u16 id, u32 data) +s32 brcmf_fil_xtlv_int_set(struct brcmf_if *ifp, const char *name, u16 id, u32 data) { __le32 data_le = cpu_to_le32(data); @@ -503,7 +503,7 @@ s32 brcmf_fil_xtlv_int_set(struct brcmf_if *ifp, char *name, u16 id, u32 data) sizeof(data_le)); } -s32 brcmf_fil_xtlv_int_get(struct brcmf_if *ifp, char *name, u16 id, u32 *data) +s32 brcmf_fil_xtlv_int_get(struct brcmf_if *ifp, const char *name, u16 id, u32 *data) { __le32 data_le = cpu_to_le32(*data); s32 err; @@ -514,12 +514,12 @@ s32 brcmf_fil_xtlv_int_get(struct brcmf_if *ifp, char *name, u16 id, u32 *data) return err; } -s32 brcmf_fil_xtlv_int8_get(struct brcmf_if *ifp, char *name, u16 id, u8 *data) +s32 brcmf_fil_xtlv_int8_get(struct brcmf_if *ifp, const char *name, u16 id, u8 *data) { return brcmf_fil_xtlv_data_get(ifp, name, id, data, sizeof(*data)); } -s32 brcmf_fil_xtlv_int16_get(struct brcmf_if *ifp, char *name, u16 id, u16 *data) +s32 brcmf_fil_xtlv_int16_get(struct brcmf_if *ifp, const char *name, u16 id, u16 *data) { __le16 data_le = cpu_to_le16(*data); s32 err; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.h index cb26f8c59c21..bc693157c4b1 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.h @@ -84,26 +84,26 @@ s32 brcmf_fil_cmd_data_get(struct brcmf_if *ifp, u32 cmd, void *data, u32 len); s32 brcmf_fil_cmd_int_set(struct brcmf_if *ifp, u32 cmd, u32 data); s32 brcmf_fil_cmd_int_get(struct brcmf_if *ifp, u32 cmd, u32 *data); -s32 brcmf_fil_iovar_data_set(struct brcmf_if *ifp, char *name, const void *data, +s32 brcmf_fil_iovar_data_set(struct brcmf_if *ifp, const char *name, const void *data, u32 len); -s32 brcmf_fil_iovar_data_get(struct brcmf_if *ifp, char *name, void *data, +s32 brcmf_fil_iovar_data_get(struct brcmf_if *ifp, const char *name, void *data, u32 len); -s32 brcmf_fil_iovar_int_set(struct brcmf_if *ifp, char *name, u32 data); -s32 brcmf_fil_iovar_int_get(struct brcmf_if *ifp, char *name, u32 *data); +s32 brcmf_fil_iovar_int_set(struct brcmf_if *ifp, const char *name, u32 data); +s32 brcmf_fil_iovar_int_get(struct brcmf_if *ifp, const char *name, u32 *data); -s32 brcmf_fil_bsscfg_data_set(struct brcmf_if *ifp, char *name, void *data, +s32 brcmf_fil_bsscfg_data_set(struct brcmf_if *ifp, const char *name, void *data, u32 len); -s32 brcmf_fil_bsscfg_data_get(struct brcmf_if *ifp, char *name, void *data, +s32 brcmf_fil_bsscfg_data_get(struct brcmf_if *ifp, const char *name, void *data, u32 len); -s32 brcmf_fil_bsscfg_int_set(struct brcmf_if *ifp, char *name, u32 data); -s32 brcmf_fil_bsscfg_int_get(struct brcmf_if *ifp, char *name, u32 *data); -s32 brcmf_fil_xtlv_data_set(struct brcmf_if *ifp, char *name, u16 id, +s32 brcmf_fil_bsscfg_int_set(struct brcmf_if *ifp, const char *name, u32 data); +s32 brcmf_fil_bsscfg_int_get(struct brcmf_if *ifp, const char *name, u32 *data); +s32 brcmf_fil_xtlv_data_set(struct brcmf_if *ifp, const char *name, u16 id, void *data, u32 len); -s32 brcmf_fil_xtlv_data_get(struct brcmf_if *ifp, char *name, u16 id, +s32 brcmf_fil_xtlv_data_get(struct brcmf_if *ifp, const char *name, u16 id, void *data, u32 len); -s32 brcmf_fil_xtlv_int_set(struct brcmf_if *ifp, char *name, u16 id, u32 data); -s32 brcmf_fil_xtlv_int_get(struct brcmf_if *ifp, char *name, u16 id, u32 *data); -s32 brcmf_fil_xtlv_int8_get(struct brcmf_if *ifp, char *name, u16 id, u8 *data); -s32 brcmf_fil_xtlv_int16_get(struct brcmf_if *ifp, char *name, u16 id, u16 *data); +s32 brcmf_fil_xtlv_int_set(struct brcmf_if *ifp, const char *name, u16 id, u32 data); +s32 brcmf_fil_xtlv_int_get(struct brcmf_if *ifp, const char *name, u16 id, u32 *data); +s32 brcmf_fil_xtlv_int8_get(struct brcmf_if *ifp, const char *name, u16 id, u8 *data); +s32 brcmf_fil_xtlv_int16_get(struct brcmf_if *ifp, const char *name, u16 id, u16 *data); #endif /* _fwil_h_ */ From patchwork Mon Jan 17 14:29:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 12715479 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D0AEEC433FE for ; Mon, 17 Jan 2022 14:32:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240226AbiAQOcG (ORCPT ); Mon, 17 Jan 2022 09:32:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38666 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240012AbiAQObq (ORCPT ); Mon, 17 Jan 2022 09:31:46 -0500 Received: from mail.marcansoft.com (marcansoft.com [IPv6:2a01:298:fe:f::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 15885C061763; Mon, 17 Jan 2022 06:31:36 -0800 (PST) Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: hector@marcansoft.com) by mail.marcansoft.com (Postfix) with ESMTPSA id 2FA3D421F5; Mon, 17 Jan 2022 14:31:26 +0000 (UTC) From: Hector Martin To: Kalle Valo , "David S. Miller" , Jakub Kicinski , Rob Herring , "Rafael J. Wysocki" , Len Brown , Arend van Spriel , Franky Lin , Hante Meuleman , Chi-hsien Lin , Wright Feng , Dmitry Osipenko Cc: Hector Martin , Sven Peter , Alyssa Rosenzweig , Mark Kettenis , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , Pieter-Paul Giesberts , Linus Walleij , Hans de Goede , "John W. Linville" , "brian m. carlson" , Andy Shevchenko , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, SHA-cyfmac-dev-list@infineon.com Subject: [PATCH v3 9/9] brcmfmac: pcie: Read the console on init and shutdown Date: Mon, 17 Jan 2022 23:29:19 +0900 Message-Id: <20220117142919.207370-10-marcan@marcan.st> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220117142919.207370-1-marcan@marcan.st> References: <20220117142919.207370-1-marcan@marcan.st> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This allows us to get console messages if the firmware crashed during early init, or if an operation failed and we're about to shut down. Reviewed-by: Linus Walleij Signed-off-by: Hector Martin Reviewed-by: Arend van Spriel --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c index 3ff4997e1c97..4fe341376a16 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -744,6 +744,8 @@ static void brcmf_pcie_bus_console_read(struct brcmf_pciedev_info *devinfo, return; console = &devinfo->shared.console; + if (!console->base_addr) + return; addr = console->base_addr + BRCMF_CONSOLE_WRITEIDX_OFFSET; newidx = brcmf_pcie_read_tcm32(devinfo, addr); while (newidx != console->read_idx) { @@ -1520,6 +1522,7 @@ brcmf_pcie_init_share_ram_info(struct brcmf_pciedev_info *devinfo, shared->max_rxbufpost, shared->rx_dataoffset); brcmf_pcie_bus_console_init(devinfo); + brcmf_pcie_bus_console_read(devinfo, false); return 0; } @@ -1959,6 +1962,7 @@ brcmf_pcie_remove(struct pci_dev *pdev) return; devinfo = bus->bus_priv.pcie->devinfo; + brcmf_pcie_bus_console_read(devinfo, false); devinfo->state = BRCMFMAC_PCIE_STATE_DOWN; if (devinfo->ci)