Commit abe13487 authored by Marc Kleine-Budde's avatar Marc Kleine-Budde
Browse files

can: at91_can: ECR register: convert to FIELD_GET() 

Use FIELD_GET() to access the individual fields of the ECR register.

Link: https://lore.kernel.org/all/20231005-at91_can-rx_offload-v2-5-9987d53600e0@pengutronix.de


Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent bd7854e8

drivers/net/can/at91_can.c

+5 −2
Original line number Diff line number Diff line
@@ -72,6 +72,9 @@ enum at91_reg { 
#define AT91_BR_BRP_MASK GENMASK(22, 16)

#define AT91_BR_SMP BIT(24)



#define AT91_ECR_REC_MASK GENMASK(8, 0)

#define AT91_ECR_TEC_MASK GENMASK(23, 16)



#define AT91_MMR_PRIO_SHIFT (16)



#define AT91_MID_MIDE BIT(29)
@@ -385,8 +388,8 @@ static int at91_get_berr_counter(const struct net_device *dev, 
	const struct at91_priv *priv = netdev_priv(dev);

	u32 reg_ecr = at91_read(priv, AT91_ECR);



	bec->rxerr = reg_ecr & 0xff;

	bec->txerr = reg_ecr >> 16;

	bec->rxerr = FIELD_GET(AT91_ECR_REC_MASK, reg_ecr);

	bec->txerr = FIELD_GET(AT91_ECR_TEC_MASK, reg_ecr);



	return 0;

}