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| author | David S. Miller <davem@davemloft.net> | 2010-06-11 13:32:31 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-06-11 13:32:31 -0700 |
| commit | 62522d36d74a843e78d17f2dffc90468c6762803 (patch) | |
| tree | d9d21de6724425c1b0ba12991e0865556aeda6b4 /drivers/net/r8169.c | |
| parent | a71fba97295db924c0b90266e9833e5059fead24 (diff) | |
| parent | e79aa8671033535c2e9ffc0a68010ae49ed5734c (diff) | |
| download | kernel_samsung_tuna-62522d36d74a843e78d17f2dffc90468c6762803.zip kernel_samsung_tuna-62522d36d74a843e78d17f2dffc90468c6762803.tar.gz kernel_samsung_tuna-62522d36d74a843e78d17f2dffc90468c6762803.tar.bz2 | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'drivers/net/r8169.c')
| -rw-r--r-- | drivers/net/r8169.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 6949504..239d7ef 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -560,10 +560,10 @@ static void mdio_write(void __iomem *ioaddr, int reg_addr, int value) udelay(25); } /* - * Some configurations require a small delay even after the write - * completed indication or the next write might fail. + * According to hardware specs a 20us delay is required after write + * complete indication, but before sending next command. */ - udelay(25); + udelay(20); } static int mdio_read(void __iomem *ioaddr, int reg_addr) @@ -583,6 +583,12 @@ static int mdio_read(void __iomem *ioaddr, int reg_addr) } udelay(25); } + /* + * According to hardware specs a 20us delay is required after read + * complete indication, but before sending next command. + */ + udelay(20); + return value; } |