can: at91_can: directly define AT91_MB_RX_LAST

...instead of deriving it from AT91_MB_RX_FIRST and AT91_MB_RX_NUM. This removes a level of computation, when switching the driver from compile time constants to runtime values. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
git-mirror · Jun 6, 2011 · 267cbe0 · 267cbe0
1 parent 9c2e0a6
commit 267cbe0
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
@@ -47,11 +47,10 @@
  * RX/TX Mailbox split
  * don't dare to touch
  */
-#define AT91_MB_RX_NUM		11
 #define AT91_MB_TX_SHIFT	2
 
 #define AT91_MB_RX_FIRST	1
-#define AT91_MB_RX_LAST		(AT91_MB_RX_FIRST + AT91_MB_RX_NUM - 1)
+#define AT91_MB_RX_LAST		11
 
 #define AT91_MB_RX_MASK(i)	((1 << (i)) - 1)
 #define AT91_MB_RX_SPLIT	8