diff options
| author | rick <rick@andestech.com> | 2017-08-29 10:15:05 +0800 |
|---|---|---|
| committer | Andes <uboot@andestech.com> | 2017-09-21 10:30:22 +0800 |
| commit | 1341494c7db46f4e4db59f7bb797c9ab79f4c51b (patch) | |
| tree | 7c189a307dd0e830f56305a0ee57121974277c6a /drivers/net/ftmac100.c | |
| parent | e336b73d8ae06dbcc532d1833d7a5567babecca8 (diff) | |
| download | u-boot-1341494c7db46f4e4db59f7bb797c9ab79f4c51b.tar.gz u-boot-1341494c7db46f4e4db59f7bb797c9ab79f4c51b.tar.xz u-boot-1341494c7db46f4e4db59f7bb797c9ab79f4c51b.zip | |
nds32: ftmac100: Fix write mac addr fail problem.
After soft reset complete, write mac address immediately will fail.
Add delay to work around this problem.
Signed-off-by: rick <rick@andestech.com>
Diffstat (limited to 'drivers/net/ftmac100.c')
| -rw-r--r-- | drivers/net/ftmac100.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/ftmac100.c b/drivers/net/ftmac100.c index 4e45f00b3d..e64bf3d651 100644 --- a/drivers/net/ftmac100.c +++ b/drivers/net/ftmac100.c @@ -40,7 +40,12 @@ static void ftmac100_reset(struct ftmac100_data *priv) writel (FTMAC100_MACCR_SW_RST, &ftmac100->maccr); 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); } /* |