[U-Boot] [PATCH 1/6] GRETH: removed unneccesary register write and one clean up.

Daniel Hellstrom daniel at gaisler.com
Wed Oct 27 10:23:32 CEST 2010


Signed-off-by: Daniel Hellstrom <daniel at gaisler.com>
---
 drivers/net/greth.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/drivers/net/greth.c b/drivers/net/greth.c
index 79bc4d9..4f1973c 100644
--- a/drivers/net/greth.c
+++ b/drivers/net/greth.c
@@ -45,7 +45,7 @@
 /* ByPass Cache when reading regs */
 #define GRETH_REGLOAD(addr)		SPARC_NOCACHE_READ(addr)
 /* Write-through cache ==> no bypassing needed on writes */
-#define GRETH_REGSAVE(addr,data)	(*(unsigned int *)(addr) = (data))
+#define GRETH_REGSAVE(addr,data) (*(volatile unsigned int *)(addr) = (data))
 #define GRETH_REGORIN(addr,data) GRETH_REGSAVE(addr,GRETH_REGLOAD(addr)|data)
 #define GRETH_REGANDIN(addr,data) GRETH_REGSAVE(addr,GRETH_REGLOAD(addr)&data)
 
@@ -146,8 +146,6 @@ int greth_init(struct eth_device *dev, bd_t * bis)
 	printf("greth_init\n");
 #endif
 
-	GRETH_REGSAVE(&regs->control, 0);
-
 	if (!greth->rxbd_base) {
 
 		/* allocate descriptors */
-- 
1.5.4



More information about the U-Boot mailing list