Eric Lee / smarc-uboot

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Commit 1341494c7db46f4e4db59f7bb797c9ab79f4c51b

Authored by rick
Committed by Andes
1 parent e336b73d8a
Exists in smarc_8mq_lf_v2020.04 and in 17 other branches 8qm-imx_v2020.04_5.4.70_2.3.0, emb_lf_v2022.04, pitx_8mp_lf_v2020.04, smarc-8m-android-10.0.0_2.6.0, smarc-8m-android-11.0.0_2.0.0, smarc-8mp-android-11.0.0_2.0.0, smarc-imx6_v2018.03_4.14.98_2.0.0_ga, smarc-imx7_v2018.03_4.14.98_2.0.0_ga, smarc-imx_v2018.03_4.14.78_1.0.0_ga, smarc_8m-imx_v2018.03_4.14.98_2.0.0_ga, smarc_8m-imx_v2019.04_4.19.35_1.1.0, smarc_8m_00d0-imx_v2018.03_4.14.98_2.0.0_ga, smarc_8mm-imx_v2018.03_4.14.98_2.0.0_ga, smarc_8mm-imx_v2019.04_4.19.35_1.1.0, smarc_8mm-imx_v2020.04_5.4.24_2.1.0, smarc_8mp_lf_v2020.04, smarc_8mq-imx_v2020.04_5.4.24_2.1.0

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>

Showing 1 changed file with 6 additions and 1 deletions Side-by-side Diff

drivers/net/ftmac100.c
Diff comments   View file @ 1341494
... ... @@ -40,7 +40,12 @@
40 40 writel (FTMAC100_MACCR_SW_RST, &ftmac100->maccr);
41 41  
42 42 while (readl (&ftmac100->maccr) & FTMAC100_MACCR_SW_RST)
43   - ;
  43 + mdelay(1);
  44 + /*
  45 + * When soft reset complete, write mac address immediately maybe fail somehow
  46 + * Wait for a while can avoid this problem
  47 + */
  48 + mdelay(1);
44 49 }
45 50  
46 51 /*