netdev - [PATCH net-next 16/29] can: gs_usb: add HW timestamp mode bit

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Message-Id: <20220310142903.341658-17-mkl@pengutronix.de>
Date:   Thu, 10 Mar 2022 15:28:50 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, linux-can@...r.kernel.org,
        kernel@...gutronix.de, Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH net-next 16/29] can: gs_usb: add HW timestamp mode bit

Newer versions of the widely used open source firmware candleLight
support hardware timestamps. The support is activated by setting the
GS_CAN_MODE_HW_TIMESTAMP in the GS_USB_BREQ_MODE request.

Although timestamp support is not yet supported by this driver, add
the missing bit for documentation purpose.

Link: https://lore.kernel.org/all/20220309124132.291861-9-mkl@pengutronix.de
Link: https://github.com/candle-usb/candleLight_fw/commit/44431f4a4354a878fbd15b273bf04fce1dcdff7e
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 drivers/net/can/usb/gs_usb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c
index fa370549bd9e..62076c5e8e4e 100644
--- a/drivers/net/can/usb/gs_usb.c
+++ b/drivers/net/can/usb/gs_usb.c
@@ -92,6 +92,7 @@ struct gs_device_config {
 #define GS_CAN_MODE_LOOP_BACK BIT(1)
 #define GS_CAN_MODE_TRIPLE_SAMPLE BIT(2)
 #define GS_CAN_MODE_ONE_SHOT BIT(3)
+#define GS_CAN_MODE_HW_TIMESTAMP BIT(4)
 
 struct gs_device_mode {
 	__le32 mode;
-- 
2.35.1