From e0902cad4b32838e0336b5497a7e9d479ada6b9c Mon Sep 17 00:00:00 2001 From: Marc Kleine-Budde Date: Sun, 7 Nov 2021 14:50:11 +0100 Subject: [PATCH] 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 --- drivers/net/can/usb/gs_usb.c | 4 ++++ 1 file changed, 4 insertions(+) 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; -- 2.11.0