diff options
author | Marc Kleine-Budde <mkl@pengutronix.de> | 2023-04-18 17:35:54 +0300 |
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committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2023-10-05 22:45:30 +0300 |
commit | abe1348753b3e062da7e0bfee1da0eef9dffe336 (patch) | |
tree | c08efa478d55b65c64a71dc6e1e2e54b214942b0 /drivers | |
parent | bd7854e83900b0f4c1ec5ddc91c447509f23b160 (diff) | |
download | linux-abe1348753b3e062da7e0bfee1da0eef9dffe336.tar.xz |
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: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/can/at91_can.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c index 79eb78b9f8ae..7597da543348 100644 --- a/drivers/net/can/at91_can.c +++ b/drivers/net/can/at91_can.c @@ -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; } |