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nds32: ftmac100: Fix write mac addr fail problem.

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After soft reset complete, write mac address immediately will fail.
Add delay to work around this problem.

Signed-off-by: rick <rick@andestech.com>
This commit is contained in:
rick 2017-08-29 10:15:05 +08:00 • committed by Andes
parent e336b73d8a
commit 1341494c7d
1 changed files with 6 additions and 1 deletions
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7
drivers/net/ftmac100.c
View file

@ -40,7 +40,12 @@ static void ftmac100_reset(struct ftmac100_data *priv)
writel (FTMAC100_MACCR_SW_RST, &ftmac100->maccr); writel (FTMAC100_MACCR_SW_RST, &ftmac100->maccr);
while (readl (&ftmac100->maccr) & FTMAC100_MACCR_SW_RST) while (readl (&ftmac100->maccr) & FTMAC100_MACCR_SW_RST)
; mdelay(1);
/*
* When soft reset complete, write mac address immediately maybe fail somehow
* Wait for a while can avoid this problem
*/
mdelay(1);
} }
/* /*