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path: root/drivers/net/can/usb/ucan.c
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2019-12-03can: ucan: fix non-atomic allocation in completion handlerJohan Hovold
USB completion handlers are called in atomic context and must specifically not allocate memory using GFP_KERNEL. Fixes: 9f2d3eae88d2 ("can: ucan: add driver for Theobroma Systems UCAN devices") Cc: stable <stable@vger.kernel.org> # 4.19 Cc: Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com> Cc: Martin Elshuber <martin.elshuber@theobroma-systems.com> Cc: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2018-11-28can: ucan: fix spelling mistake: "resumbmitting" -> "resubmitting"Colin Ian King
Trivial fix to spelling mistake in netdev_dbg error message Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2018-11-09can: ucan: remove duplicated include from ucan.cYueHaibing
Remove duplicated include. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Reviewed-by: Martin Elshuber <martin.elshuber@theobroma-systems.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2018-11-09can: ucan: remove set but not used variable 'udev'YueHaibing
Fixes gcc '-Wunused-but-set-variable' warning: drivers/net/can/usb/ucan.c: In function 'ucan_disconnect': drivers/net/can/usb/ucan.c:1578:21: warning: variable 'udev' set but not used [-Wunused-but-set-variable] struct usb_device *udev; Signed-off-by: YueHaibing <yuehaibing@huawei.com> Reviewed-by: Martin Elshuber <martin.elshuber@theobroma-systems.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2018-07-27can: ucan: add driver for Theobroma Systems UCAN devicesJakob Unterwurzacher
The UCAN driver supports the microcontroller-based USB/CAN adapters from Theobroma Systems. There are two form-factors that run essentially the same firmware: * Seal: standalone USB stick ( https://www.theobroma-systems.com/seal ) * Mule: integrated on the PCB of various System-on-Modules from Theobroma Systems like the A31-µQ7 and the RK3399-Q7 ( https://www.theobroma-systems.com/rk3399-q7 ) The USB wire protocol has been designed to be as generic and hardware-indendent as possible in the hope of being useful for implementation on other microcontrollers. Signed-off-by: Martin Elshuber <martin.elshuber@theobroma-systems.com> Signed-off-by: Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com> Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Acked-by: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>