From mboxrd@z Thu Jan 1 00:00:00 1970 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 32032C46467 for ; Mon, 16 Jan 2023 17:06:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229693AbjAPRGR (ORCPT ); Mon, 16 Jan 2023 12:06:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56976 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234202AbjAPRFt (ORCPT ); Mon, 16 Jan 2023 12:05:49 -0500 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BA67F38EBA for ; Mon, 16 Jan 2023 08:47:15 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 751A6CE1294 for ; Mon, 16 Jan 2023 16:47:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 630A0C433EF; Mon, 16 Jan 2023 16:47:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673887631; bh=THpmdloag4CTGwY8MgP9AVufhb7/abFaaPMJMAlT+yo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vD88RMKkwaC3DeXeEPaConPXAACCKSr58tyQIOre4vEMHyRe/jD7DeQ1Z+SUFPxzg 3mPm2hDl8l01qivVX4Laa1kBFxZ7VKSAI6YrUeiz+q6urVexEEL+gtJu6fBXPgZGNq RkQMOIMH3kA7eEP8mFFsJMI9kWE3oZYZ0n6oMQb0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, kernel test robot , Linus Walleij , Sasha Levin Subject: [PATCH 4.19 222/521] usb: fotg210-udc: Fix ages old endianness issues Date: Mon, 16 Jan 2023 16:48:04 +0100 Message-Id: <20230116154857.098851961@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116154847.246743274@linuxfoundation.org> References: <20230116154847.246743274@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Linus Walleij [ Upstream commit 46ed6026ca2181c917c8334a82e3eaf40a6234dd ] The code in the FOTG210 driver isn't entirely endianness-agnostic as reported by the kernel robot sparse testing. This came to the surface while moving the files around. The driver is only used on little-endian systems, so this causes no real-world regression, but it is nice to be strict and have some compile coverage also on big endian machines, so fix it up with the right LE accessors. Fixes: b84a8dee23fd ("usb: gadget: add Faraday fotg210_udc driver") Reported-by: kernel test robot Link: https://lore.kernel.org/linux-usb/202211110910.0dJ7nZCn-lkp@intel.com/ Signed-off-by: Linus Walleij Link: https://lore.kernel.org/r/20221111090317.94228-1-linus.walleij@linaro.org Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/gadget/udc/fotg210-udc.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c index 785822ecc3f1..74c93fa7439c 100644 --- a/drivers/usb/gadget/udc/fotg210-udc.c +++ b/drivers/usb/gadget/udc/fotg210-udc.c @@ -633,10 +633,10 @@ static void fotg210_request_error(struct fotg210_udc *fotg210) static void fotg210_set_address(struct fotg210_udc *fotg210, struct usb_ctrlrequest *ctrl) { - if (ctrl->wValue >= 0x0100) { + if (le16_to_cpu(ctrl->wValue) >= 0x0100) { fotg210_request_error(fotg210); } else { - fotg210_set_dev_addr(fotg210, ctrl->wValue); + fotg210_set_dev_addr(fotg210, le16_to_cpu(ctrl->wValue)); fotg210_set_cxdone(fotg210); } } @@ -717,17 +717,17 @@ static void fotg210_get_status(struct fotg210_udc *fotg210, switch (ctrl->bRequestType & USB_RECIP_MASK) { case USB_RECIP_DEVICE: - fotg210->ep0_data = 1 << USB_DEVICE_SELF_POWERED; + fotg210->ep0_data = cpu_to_le16(1 << USB_DEVICE_SELF_POWERED); break; case USB_RECIP_INTERFACE: - fotg210->ep0_data = 0; + fotg210->ep0_data = cpu_to_le16(0); break; case USB_RECIP_ENDPOINT: epnum = ctrl->wIndex & USB_ENDPOINT_NUMBER_MASK; if (epnum) fotg210->ep0_data = - fotg210_is_epnstall(fotg210->ep[epnum]) - << USB_ENDPOINT_HALT; + cpu_to_le16(fotg210_is_epnstall(fotg210->ep[epnum]) + << USB_ENDPOINT_HALT); else fotg210_request_error(fotg210); break; -- 2.35.1