From patchwork Fri Jun 21 08:59:13 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 167374 Delivered-To: patch@linaro.org Received: by 2002:a92:4782:0:0:0:0:0 with SMTP id e2csp466090ilk; Fri, 21 Jun 2019 02:02:52 -0700 (PDT) X-Google-Smtp-Source: APXvYqwi8AwBfUznISeDN16xQ90T39kL6hamhWTRVScSILyLrcemqjmIWmwpT5X08Qu3qoVyS73g X-Received: by 2002:a63:5d61:: with SMTP id o33mr17395651pgm.114.1561107772542; Fri, 21 Jun 2019 02:02:52 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1561107772; cv=none; d=google.com; s=arc-20160816; b=pCsjDLYUtLXB3FUnXTtDyTiRWg90RRgLgGXaPF7CdK9yOEBapeLsOqNS+k71F6TGKd Anl9OmCGgudvyqVkcueLB6ZNah4qYsiP3honz3AfPRK2VRgw7b1f2LyDs3MZv5mCl2jL j45MHyQwD23Y8+1m754FraObwJ77CFATwt5sJE2xfcYK3wr1bOzQzvKC8ClV+sAO1p7j ppLkS0cNRzKNiiYUFMrsNhXDwT3nwLzF5/RXH7C0rLCdf1L1EH7wizgKZzDih4WVXaEm nokHs3PzXbXuKFvuOKqbc/xar1rsWBPteeLqWTO0f45TdH9zJIThL/JnN0IY7n+8BEvK xQFg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=HTbrhUy2KYUATBxO+u0eJVpVB+CF26blgVf5MSnU6Hc=; b=Rzmp9QomHBk3EUAXmIX+ngAOIyG2yaxv7BBB/rj7PmXrdiWkkVk91GsleR93CyDIt9 RaTD+rwSnW2eQH5PYpHX+ZXK3H+7VEL80pnwtDP37iQ93MgR3AtLC5yH18qKEk6usXj+ 0I2FrpHvBw+PzFefgjTc3MegPABzghcYNl546Ue/2XSyEbUojFudfMe+kmoKhCdVsjPR u3BLUnP4VJwZ79Kwu2RXOGm/frChdEAGD4f84uPaFHEb4LurshScPMgrvzFmuCrYFwOI D1SGs5NaDcBN5ZuAnf6peWXs/WlC6oVaCsBNZam2elWBl6fhhvX9+u8Gelr6QCfYTzzy CYxg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=bwiB3dti; spf=pass (google.com: best guess record for domain of linux-usb-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-usb-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id m15si2282583pff.267.2019.06.21.02.02.52; Fri, 21 Jun 2019 02:02:52 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-usb-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=bwiB3dti; spf=pass (google.com: best guess record for domain of linux-usb-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-usb-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726614AbfFUJCv (ORCPT + 5 others); Fri, 21 Jun 2019 05:02:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:39444 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726597AbfFUJCv (ORCPT ); Fri, 21 Jun 2019 05:02:51 -0400 Received: from localhost.localdomain (unknown [106.201.116.189]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0AAD121537; Fri, 21 Jun 2019 09:02:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561107769; bh=tTo2Wlvf680AhD4G4TZwBLGKrQJmR21YpnfXx+58EXY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bwiB3dtiO2nHAVh/YgM0Fmg2K0/An4hyL2VRSCPkVNebFN6fruXzYrNxRljTr4C4C 2W6dB/d49arZr0826eQO5B+uz84cnBKZQttY+4e0DAZBzf3oB5zWGy46dh35W8hQzs it+8lgqcVnOv4xtL8KKsUkYYC1tNry0zEQbI4OCA= From: Vinod Koul To: Mathias Nyman , Greg Kroah-Hartman Cc: linux-arm-msm@vger.kernel.org, Bjorn Andersson , Vinod Koul , Yoshihiro Shimoda , Christian Lamparter , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 5/5] usb: xhci: allow multiple firmware versions Date: Fri, 21 Jun 2019 14:29:13 +0530 Message-Id: <20190621085913.8722-6-vkoul@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190621085913.8722-1-vkoul@kernel.org> References: <20190621085913.8722-1-vkoul@kernel.org> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Allow multiple firmware file versions in table and load them in increasing order as we find them in the file system. Signed-off-by: Vinod Koul Cc: Yoshihiro Shimoda Cc: Christian Lamparter --- drivers/usb/host/xhci-pci.c | 46 +++++++++++++++++++++++++++++++++++-- 1 file changed, 44 insertions(+), 2 deletions(-) -- 2.20.1 diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 771948ce3d38..1fb890984d6d 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -336,13 +336,19 @@ static const struct renesas_fw_entry { * - uPD720201 ES 2.0 sample whose revision ID is 2. * - uPD720201 ES 2.1 sample & CS sample & Mass product, ID is 3. * - uPD720202 ES 2.0 sample & CS sample & Mass product, ID is 2. + * + * Entry expected_version should be kept in increasing order for a + * chip, so that driver will pick first version and if that fails + * then next one will be picked */ { "K2013080.mem", 0x0014, 0x02, 0x2013 }, { "K2013080.mem", 0x0014, 0x03, 0x2013 }, + { "K2026090.mem", 0x0014, 0x03, 0x2026 }, { "K2013080.mem", 0x0015, 0x02, 0x2013 }, }; MODULE_FIRMWARE("K2013080.mem"); +MODULE_FIRMWARE("K2026090.mem"); static const struct renesas_fw_entry *renesas_needs_fw_dl(struct pci_dev *dev) { @@ -363,6 +369,24 @@ static const struct renesas_fw_entry *renesas_needs_fw_dl(struct pci_dev *dev) return NULL; } +static const struct +renesas_fw_entry *renesas_get_next_entry(struct pci_dev *dev, + const struct renesas_fw_entry *entry) +{ + const struct renesas_fw_entry *next_entry; + size_t i; + + for (i = 0; i < ARRAY_SIZE(renesas_fw_table); i++) { + next_entry = &renesas_fw_table[i]; + if (next_entry->device == dev->device && + next_entry->revision == dev->revision && + next_entry->expected_version > entry->expected_version) + return next_entry; + } + + return NULL; +} + static int renesas_fw_download_image(struct pci_dev *dev, const u32 *fw, size_t step) @@ -709,6 +733,7 @@ struct renesas_fw_ctx { struct pci_dev *pdev; const struct pci_device_id *id; bool resume; + const struct renesas_fw_entry *entry; }; static int xhci_pci_probe(struct pci_dev *pdev, @@ -968,13 +993,29 @@ static void renesas_fw_callback(const struct firmware *fw, struct renesas_fw_ctx *ctx = context; struct pci_dev *pdev = ctx->pdev; struct device *parent = pdev->dev.parent; + const struct renesas_fw_entry *next_entry; bool rom; int err; if (!fw) { dev_err(&pdev->dev, "firmware failed to load\n"); - - goto cleanup; + /* + * we didn't find firmware, check if we have another + * entry for this device + */ + next_entry = renesas_get_next_entry(ctx->pdev, ctx->entry); + if (next_entry) { + ctx->entry = next_entry; + dev_dbg(&pdev->dev, "Found next entry, requesting: %s\n", + next_entry->firmware_name); + request_firmware_nowait(THIS_MODULE, 1, + next_entry->firmware_name, + &pdev->dev, GFP_KERNEL, + ctx, renesas_fw_callback); + return; + } else { + goto cleanup; + } } err = renesas_fw_verify(pdev, fw->data, fw->size); @@ -1072,6 +1113,7 @@ static int renesas_fw_download_to_hw(struct pci_dev *pdev, ctx->pdev = pdev; ctx->resume = do_resume; ctx->id = id; + ctx->entry = entry; pci_dev_get(pdev); err = request_firmware_nowait(THIS_MODULE, 1, entry->firmware_name,