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[92.34.216.5]) by smtp.gmail.com with ESMTPSA id d25-20020a19e619000000b004a2386b8cf9sm221143lfh.206.2022.11.11.01.03.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Nov 2022 01:03:19 -0800 (PST) From: Linus Walleij To: Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org, Linus Walleij , kernel test robot Subject: [PATCH] usb: fotg210-udc: Fix ages old endianness issues Date: Fri, 11 Nov 2022 10:03:17 +0100 Message-Id: <20221111090317.94228-1-linus.walleij@linaro.org> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org 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 --- drivers/usb/fotg210/fotg210-udc.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/usb/fotg210/fotg210-udc.c b/drivers/usb/fotg210/fotg210-udc.c index 7757aaa11d6f..3c357ce42d3b 100644 --- a/drivers/usb/fotg210/fotg210-udc.c +++ b/drivers/usb/fotg210/fotg210-udc.c @@ -630,10 +630,10 @@ 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); } } @@ -714,17 +714,17 @@ 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;