From patchwork Mon Jan 13 08:40:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 11329783 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 72F0A1580 for ; Mon, 13 Jan 2020 08:40:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5186421569 for ; Mon, 13 Jan 2020 08:40:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578904840; bh=1qv/uiqU+lvGy4vNbaTZDSE+L9LCBmyo2jSjlXzCaFY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=KpWR93Wa1Kc07n8yxpwSEgMjNAQYtY4+YFNvdeS1zFAnTGarS7Ai9A9VAfjznvyRX Pu65ExszsmgeS2Q1QMUsdz8pp5JJqiibqa0e18iZgQ07bNDlGZ3cLU5ZbjofwSF9zW RzzsqDOd9r2EWhyUykKTq9mD3cznG0I3m3r5/rto= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728935AbgAMIkj (ORCPT ); Mon, 13 Jan 2020 03:40:39 -0500 Received: from mail.kernel.org ([198.145.29.99]:43482 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727231AbgAMIki (ORCPT ); Mon, 13 Jan 2020 03:40:38 -0500 Received: from localhost.localdomain (unknown [106.200.247.255]) (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 A4C5D207E0; Mon, 13 Jan 2020 08:40:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578904837; bh=1qv/uiqU+lvGy4vNbaTZDSE+L9LCBmyo2jSjlXzCaFY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LE2FTxi8KP8KWNCs7FOLql20SYThhwNY5bp18tlM/U2vFrjt3J882AzBQsZdewcQK GF7hDywxp2IdeiIK8yO1BgSwVCSJ8FV7uyFGkurQ52xbxrdZsY1h9ac5BEYfXAhSV/ N3XywRwbmQ64mcf2vuAXcRfJ9viEPIEI8zd1GYNY= 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 v6 4/5] usb: renesas-xhci: allow multiple firmware versions Date: Mon, 13 Jan 2020 14:10:04 +0530 Message-Id: <20200113084005.849071-5-vkoul@kernel.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200113084005.849071-1-vkoul@kernel.org> References: <20200113084005.849071-1-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-renesas.c | 45 +++++++++++++++++++++++++++-- 1 file changed, 43 insertions(+), 2 deletions(-) diff --git a/drivers/usb/host/xhci-pci-renesas.c b/drivers/usb/host/xhci-pci-renesas.c index 1d073c5637c4..fe95487ca888 100644 --- a/drivers/usb/host/xhci-pci-renesas.c +++ b/drivers/usb/host/xhci-pci-renesas.c @@ -73,13 +73,20 @@ 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 decreasing order for a + * chip, so that driver will pick latest version and if that fails + * then next one will be picked */ { "K2013080.mem", 0x0014, 0x02, 0x2013 }, + { "K2026090.mem", 0x0014, 0x03, 0x2026 }, { "K2013080.mem", 0x0014, 0x03, 0x2013 }, + { "K2026090.mem", 0x0015, 0x02, 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) { @@ -100,6 +107,24 @@ 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) @@ -700,13 +725,29 @@ 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);