From patchwork Sun Dec 26 15:35:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 12699414 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 2B2EBC433F5 for ; Sun, 26 Dec 2021 15:37:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233910AbhLZPha (ORCPT ); Sun, 26 Dec 2021 10:37:30 -0500 Received: from marcansoft.com ([212.63.210.85]:55786 "EHLO mail.marcansoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233954AbhLZPh2 (ORCPT ); Sun, 26 Dec 2021 10:37:28 -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 79EA34290F; Sun, 26 Dec 2021 15:37:17 +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 , Chung-hsien Hsu Cc: Hector Martin , Sven Peter , Alyssa Rosenzweig , Mark Kettenis , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , Pieter-Paul Giesberts , Linus Walleij , Hans de Goede , "John W. Linville" , "Daniel (Deognyoun) Kim" , "brian m. carlson" , 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 06/34] brcmfmac: firmware: Support passing in multiple board_types Date: Mon, 27 Dec 2021 00:35:56 +0900 Message-Id: <20211226153624.162281-7-marcan@marcan.st> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211226153624.162281-1-marcan@marcan.st> References: <20211226153624.162281-1-marcan@marcan.st> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org In order to make use of the multiple alt_path functionality, change board_type to an array. Bus drivers can pass in a NULL-terminated list of board type strings to try for the firmware fetch. Signed-off-by: Hector Martin Acked-by: Linus Walleij --- .../broadcom/brcm80211/brcmfmac/firmware.c | 35 +++++++++++++------ .../broadcom/brcm80211/brcmfmac/firmware.h | 2 +- .../broadcom/brcm80211/brcmfmac/pcie.c | 7 +++- .../broadcom/brcm80211/brcmfmac/sdio.c | 4 ++- 4 files changed, 35 insertions(+), 13 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c index eca5a6df1058..51d5d2b88ee6 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c @@ -594,26 +594,41 @@ static int brcmf_fw_complete_request(const struct firmware *fw, return (cur->flags & BRCMF_FW_REQF_OPTIONAL) ? 0 : ret; } -static const char **brcm_alt_fw_paths(const char *path, const char *board_type) +static const char **brcm_alt_fw_paths(const char *path, struct brcmf_fw *fwctx) { + const char **board_types = fwctx->req->board_types; + int board_type_count = 0; + int i; char alt_path[BRCMF_FW_NAME_LEN]; char **alt_paths; const char *suffix; + if (!board_types || !board_types[0]) + return NULL; + + while (*board_types++) + board_type_count++; + suffix = strrchr(path, '.'); if (!suffix || suffix == path) return NULL; - /* strip extension at the end */ - strscpy(alt_path, path, BRCMF_FW_NAME_LEN); - alt_path[suffix - path] = 0; + alt_paths = kzalloc(sizeof(char *) * (board_type_count + 1), + GFP_KERNEL); + + board_types = fwctx->req->board_types; + for (i = 0; i < board_type_count; i++) { + /* strip extension at the end */ + strscpy(alt_path, path, BRCMF_FW_NAME_LEN); + alt_path[suffix - path] = 0; - strlcat(alt_path, ".", BRCMF_FW_NAME_LEN); - strlcat(alt_path, board_type, BRCMF_FW_NAME_LEN); - strlcat(alt_path, suffix, BRCMF_FW_NAME_LEN); + strlcat(alt_path, ".", BRCMF_FW_NAME_LEN); + strlcat(alt_path, board_types[i], BRCMF_FW_NAME_LEN); + strlcat(alt_path, suffix, BRCMF_FW_NAME_LEN); - alt_paths = kzalloc(sizeof(char *) * 2, GFP_KERNEL); - alt_paths[0] = kstrdup(alt_path, GFP_KERNEL); + alt_paths[i] = kstrdup(alt_path, GFP_KERNEL); + brcmf_dbg(TRACE, "FW alt path: %s\n", alt_paths[i]); + } return (const char **)alt_paths; } @@ -638,7 +653,7 @@ static int brcmf_fw_request_firmware(const struct firmware **fw, int ret, i; /* Files can be board-specific, first try a board-specific path */ - if (fwctx->req->board_type) { + if (fwctx->req->board_types) { const char **alt_paths = brcm_alt_fw_paths(cur->path, fwctx); if (!alt_paths) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h index e290dec9c53d..d94a1d5be517 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h @@ -66,7 +66,7 @@ struct brcmf_fw_request { u16 domain_nr; u16 bus_nr; u32 n_items; - const char *board_type; + const char **board_types; struct brcmf_fw_item items[]; }; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c index 591f870d1e47..8888d6acb7f2 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -1877,11 +1877,16 @@ brcmf_pcie_prepare_fw_request(struct brcmf_pciedev_info *devinfo) fwreq->items[BRCMF_PCIE_FW_NVRAM].flags = BRCMF_FW_REQF_OPTIONAL; fwreq->items[BRCMF_PCIE_FW_CLM].type = BRCMF_FW_TYPE_BINARY; fwreq->items[BRCMF_PCIE_FW_CLM].flags = BRCMF_FW_REQF_OPTIONAL; - fwreq->board_type = devinfo->settings->board_type; /* NVRAM reserves PCI domain 0 for Broadcom's SDK faked bus */ fwreq->domain_nr = pci_domain_nr(devinfo->pdev->bus) + 1; fwreq->bus_nr = devinfo->pdev->bus->number; + brcmf_dbg(PCIE, "Board: %s\n", devinfo->settings->board_type); + fwreq->board_types = devm_kzalloc(&devinfo->pdev->dev, + sizeof(const char *) * 2, + GFP_KERNEL); + fwreq->board_types[0] = devinfo->settings->board_type; + return fwreq; } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index 7466e6fd6eca..32f457bf02d1 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -4432,7 +4432,9 @@ brcmf_sdio_prepare_fw_request(struct brcmf_sdio *bus) fwreq->items[BRCMF_SDIO_FW_NVRAM].type = BRCMF_FW_TYPE_NVRAM; fwreq->items[BRCMF_SDIO_FW_CLM].type = BRCMF_FW_TYPE_BINARY; fwreq->items[BRCMF_SDIO_FW_CLM].flags = BRCMF_FW_REQF_OPTIONAL; - fwreq->board_type = bus->sdiodev->settings->board_type; + fwreq->board_types = devm_kzalloc(bus->sdiodev->dev, + sizeof(const char *) * 2, GFP_KERNEL); + fwreq->board_types[0] = bus->sdiodev->settings->board_type; return fwreq; }