From: Jeroen Hofstee Date: Sun, 28 Aug 2022 08:59:10 +0000 (+0200) Subject: can: gs_usb: document GS_CAN_FEATURE_BERR_REPORTING X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1f1835264d81da03fcd05646542a622678b379d6;p=linux.git can: gs_usb: document GS_CAN_FEATURE_BERR_REPORTING Document the new feature ("GS_CAN_FEATURE_BERR_REPORTING") that indicates that the bus error reporting in the CAN controller can switched on and off with the GS_CAN_MODE_BERR_REPORTING mode bit in the GS_USB_BREQ_MODE control message. Signed-off-by: Jeroen Hofstee Link: https://lore.kernel.org/all/20221019221016.1659260-5-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde --- diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c index f9e2b394c71e4..68e474a762c53 100644 --- a/drivers/net/can/usb/gs_usb.c +++ b/drivers/net/can/usb/gs_usb.c @@ -134,6 +134,7 @@ struct gs_device_config { /* GS_CAN_FEATURE_REQ_USB_QUIRK_LPC546XX BIT(9) */ /* GS_CAN_FEATURE_BT_CONST_EXT BIT(10) */ /* GS_CAN_FEATURE_TERMINATION BIT(11) */ +#define GS_CAN_MODE_BERR_REPORTING BIT(12) struct gs_device_mode { __le32 mode; @@ -174,7 +175,8 @@ struct gs_device_termination_state { #define GS_CAN_FEATURE_REQ_USB_QUIRK_LPC546XX BIT(9) #define GS_CAN_FEATURE_BT_CONST_EXT BIT(10) #define GS_CAN_FEATURE_TERMINATION BIT(11) -#define GS_CAN_FEATURE_MASK GENMASK(11, 0) +#define GS_CAN_FEATURE_BERR_REPORTING BIT(12) +#define GS_CAN_FEATURE_MASK GENMASK(12, 0) /* internal quirks - keep in GS_CAN_FEATURE space for now */