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can: at91_can: rename AT91_MB_RX_MASK to AT91_IRQ_MB_RX 

... and use it for AT91_NEXT_MB_MASK,
AT91_IRQ_MB_RX and AT91_IRQ_MB_RX, too.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2011-05-03 16:37:16 +02:00
parent 267cbe047c
commit b049994d0f
1 changed files with 9 additions and 9 deletions
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18
drivers/net/can/at91_can.c
View File

@ -52,11 +52,11 @@
#define AT91_MB_RX_FIRST 1
#define AT91_MB_RX_LAST 11
#define AT91_MB_RX_MASK(i) ((1 << (i)) - 1)
#define AT91_MB_MASK(i) ((1 << (i)) - 1)
#define AT91_MB_RX_SPLIT 8
#define AT91_MB_RX_LOW_LAST (AT91_MB_RX_SPLIT - 1)
#define AT91_MB_RX_LOW_MASK (AT91_MB_RX_MASK(AT91_MB_RX_SPLIT) & \
~AT91_MB_RX_MASK(AT91_MB_RX_FIRST))
#define AT91_MB_RX_LOW_MASK (AT91_MB_MASK(AT91_MB_RX_SPLIT) & \
~AT91_MB_MASK(AT91_MB_RX_FIRST))
#define AT91_MB_TX_NUM (1 << AT91_MB_TX_SHIFT)
#define AT91_MB_TX_FIRST (AT91_MB_RX_LAST + 1)
@ -64,7 +64,7 @@
#define AT91_NEXT_PRIO_SHIFT (AT91_MB_TX_SHIFT)
#define AT91_NEXT_PRIO_MASK (0xf << AT91_MB_TX_SHIFT)
#define AT91_NEXT_MB_MASK (AT91_MB_TX_NUM - 1)
#define AT91_NEXT_MB_MASK (AT91_MB_MASK(AT91_MB_TX_SHIFT))
#define AT91_NEXT_MASK ((AT91_MB_TX_NUM - 1) | AT91_NEXT_PRIO_MASK)
/* Common registers */
@ -127,10 +127,10 @@ enum at91_mb_mode {
};
/* Interrupt mask bits */
#define AT91_IRQ_MB_RX ((1 << (AT91_MB_RX_LAST + 1)) \
- (1 << AT91_MB_RX_FIRST))
#define AT91_IRQ_MB_TX ((1 << (AT91_MB_TX_LAST + 1)) \
- (1 << AT91_MB_TX_FIRST))
#define AT91_IRQ_MB_RX (AT91_MB_MASK(AT91_MB_RX_LAST + 1) & \
~AT91_MB_MASK(AT91_MB_RX_FIRST))
#define AT91_IRQ_MB_TX (AT91_MB_MASK(AT91_MB_TX_LAST + 1) & \
~AT91_MB_MASK(AT91_MB_TX_FIRST))
#define AT91_IRQ_MB_ALL (AT91_IRQ_MB_RX | AT91_IRQ_MB_TX)
#define AT91_IRQ_ERRA (1 << 16)
@ -735,7 +735,7 @@ static int at91_poll(struct napi_struct *napi, int quota)
if (work_done < quota) {
/* enable IRQs for frame errors and all mailboxes >= rx_next */
u32 reg_ier = AT91_IRQ_ERR_FRAME;
reg_ier |= AT91_IRQ_MB_RX & ~AT91_MB_RX_MASK(priv->rx_next);
reg_ier |= AT91_IRQ_MB_RX & ~AT91_MB_MASK(priv->rx_next);
napi_complete(napi);
at91_write(priv, AT91_IER, reg_ier);