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can: gs_usb: update GS_CAN_FEATURE_IDENTIFY documentation

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In the binary interface a feature bit might have a corresponding mode
bit (of the same value).

The GS_CAN_FEATURE_IDENTIFY feature doesn't come with a mode. Document
this, to avoid gaps when adding more features/modes later.

Link: https://lore.kernel.org/all/20220309124132.291861-10-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2021-11-07 14:44:36 +01:00
parent d42d211169
commit 15564f821c
1 changed files with 1 additions and 0 deletions
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drivers/net/can/usb/gs_usb.c
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@ -93,6 +93,7 @@ struct gs_device_config {
#define GS_CAN_MODE_TRIPLE_SAMPLE BIT(2)
#define GS_CAN_MODE_ONE_SHOT BIT(3)
#define GS_CAN_MODE_HW_TIMESTAMP BIT(4)
/* GS_CAN_FEATURE_IDENTIFY BIT(5) */
struct gs_device_mode {
__le32 mode;