Commit bdfff143 authored by Marc Kleine-Budde's avatar Marc Kleine-Budde
Browse files

can: at91_can: MSR Register: convert to FIELD_PREP() 

Use FIELD_PREP() to access the individual fields of the MSR register.

Link: https://lore.kernel.org/all/20231005-at91_can-rx_offload-v2-8-9987d53600e0@pengutronix.de


Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent 90aa9a25

drivers/net/can/at91_can.c

+3 −1
Original line number Diff line number Diff line
@@ -83,6 +83,8 @@ enum at91_reg { 
#define AT91_MID_MIDVA_MASK GENMASK(28, 18)

#define AT91_MID_MIDE BIT(29)



#define AT91_MSR_MTIMESTAMP_MASK GENMASK(15, 0)

#define AT91_MSR_MDLC_MASK GENMASK(19, 16)

#define AT91_MSR_MRTR BIT(20)

#define AT91_MSR_MABT BIT(22)

#define AT91_MSR_MRDY BIT(23)
@@ -599,7 +601,7 @@ static void at91_read_mb(struct net_device *dev, unsigned int mb, 
		cf->can_id = FIELD_GET(AT91_MID_MIDVA_MASK, reg_mid);



	reg_msr = at91_read(priv, AT91_MSR(mb));

	cf->len = can_cc_dlc2len((reg_msr >> 16) & 0xf);

	cf->len = can_cc_dlc2len(FIELD_GET(AT91_MSR_MDLC_MASK, reg_msr));



	if (reg_msr & AT91_MSR_MRTR) {

		cf->can_id |= CAN_RTR_FLAG;