netdev - [PATCH 05/11] can: at91_can: directly define AT91_MB_RX

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Date:	Mon,  6 Jun 2011 15:42:54 +0200
From:	Marc Kleine-Budde <mkl@...gutronix.de>
To:	davem@...emloft.net
Cc:	socketcan-core@...ts.berlios.de, netdev@...r.kernel.org,
	Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH 05/11] 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@...gutronix.de>
---
 drivers/net/can/at91_can.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
index 716f22b..9ce00fa 100644
--- 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
-- 
1.7.4.1

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