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can: gs_usb: document GS_CAN_FEATURE_BERR_REPORTING

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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 <jhofstee@victronenergy.com>
Link: https://lore.kernel.org/all/20221019221016.1659260-5-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Jeroen Hofstee 2022-08-28 10:59:10 +02:00 committed by Marc Kleine-Budde
parent ac3f25824e
commit 1f1835264d
1 changed files with 3 additions and 1 deletions
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4
drivers/net/can/usb/gs_usb.c
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@ -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 */