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author | Marc Kleine-Budde <mkl@pengutronix.de> | 2021-11-07 14:50:11 +0100 |
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committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2022-03-10 09:49:15 +0100 |
commit | e0902cad4b32838e0336b5497a7e9d479ada6b9c (patch) | |
tree | a709f36362e37feff48959e20db5adaa42193830 /drivers | |
parent | 15564f821c0431cb5b5673c148959945113b433b (diff) | |
download | linux-e0902cad4b32838e0336b5497a7e9d479ada6b9c.tar.bz2 |
can: gs_usb: document the USER_ID feature
The widely used open source firmware candleLight has optional support
for reading/writing of an user defined value into the device's flash.
This is indicated by the GS_CAN_FEATURE_USER_ID feature. The
corresponding request are GS_USB_BREQ_GET_USER_ID and
GS_USB_BREQ_SET_USER_ID.
This patch documents these values.
Link: https://lore.kernel.org/all/20220309124132.291861-11-mkl@pengutronix.de
Link: https://github.com/candle-usb/candleLight_fw/commit/1453d70dc9a9d98ac254893ba5114b8e826e0e39
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/can/usb/gs_usb.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c index ecb57e94993e..e739980589d7 100644 --- a/drivers/net/can/usb/gs_usb.c +++ b/drivers/net/can/usb/gs_usb.c @@ -40,6 +40,8 @@ enum gs_usb_breq { GS_USB_BREQ_DEVICE_CONFIG, GS_USB_BREQ_TIMESTAMP, GS_USB_BREQ_IDENTIFY, + GS_USB_BREQ_GET_USER_ID, + GS_USB_BREQ_SET_USER_ID, }; enum gs_can_mode { @@ -94,6 +96,7 @@ struct gs_device_config { #define GS_CAN_MODE_ONE_SHOT BIT(3) #define GS_CAN_MODE_HW_TIMESTAMP BIT(4) /* GS_CAN_FEATURE_IDENTIFY BIT(5) */ +/* GS_CAN_FEATURE_USER_ID BIT(6) */ struct gs_device_mode { __le32 mode; @@ -124,6 +127,7 @@ struct gs_identify_mode { #define GS_CAN_FEATURE_ONE_SHOT BIT(3) #define GS_CAN_FEATURE_HW_TIMESTAMP BIT(4) #define GS_CAN_FEATURE_IDENTIFY BIT(5) +#define GS_CAN_FEATURE_USER_ID BIT(6) struct gs_device_bt_const { __le32 feature; |