Thread (9 messages) 9 messages, 2 authors, 2008-12-09

Re: sumgem problems with initializiation order at a 1000SX SERDES card

From: David Miller <davem@davemloft.net>
Date: 2008-11-26 09:18:10
Subsystem: networking drivers, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

From: Hermann Lauer <redacted>
Date: Tue, 25 Nov 2008 11:30:29 +0100
PS: There is only one "writeb" call in the code to reset the PCS, but the 
value is read with a readl. Typo ?
That is definitely a bug, which I've fixed as follows.

I don't know about the rest of your report at this point, sorry.

sungem: Fix PCS_MIICTRL register write in gem_init_phy().

Use writel not writeb.

Noticed by Hermann Lauer.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sungem.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index 4291458..1349e41 100644
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -1714,7 +1714,7 @@ static void gem_init_phy(struct gem *gp)
 		/* Reset PCS unit. */
 		val = readl(gp->regs + PCS_MIICTRL);
 		val |= PCS_MIICTRL_RST;
-		writeb(val, gp->regs + PCS_MIICTRL);
+		writel(val, gp->regs + PCS_MIICTRL);
 
 		limit = 32;
 		while (readl(gp->regs + PCS_MIICTRL) & PCS_MIICTRL_RST) {
-- 
1.5.6.5
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