diff options
Diffstat (limited to 'target/linux/ar71xx/patches-4.14/200-MIPS-ath79-fix-ar933x-wmac-reset.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-4.14/200-MIPS-ath79-fix-ar933x-wmac-reset.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-4.14/200-MIPS-ath79-fix-ar933x-wmac-reset.patch b/target/linux/ar71xx/patches-4.14/200-MIPS-ath79-fix-ar933x-wmac-reset.patch new file mode 100644 index 0000000000..b7ae0ce649 --- /dev/null +++ b/target/linux/ar71xx/patches-4.14/200-MIPS-ath79-fix-ar933x-wmac-reset.patch @@ -0,0 +1,30 @@ +--- a/arch/mips/ath79/dev-wmac.c ++++ b/arch/mips/ath79/dev-wmac.c +@@ -62,10 +62,26 @@ static void __init ar913x_wmac_setup(voi + + static int ar933x_wmac_reset(void) + { ++ int retries = 20; ++ + ath79_device_reset_set(AR933X_RESET_WMAC); + ath79_device_reset_clear(AR933X_RESET_WMAC); + +- return 0; ++ while (1) { ++ u32 bootstrap; ++ ++ bootstrap = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP); ++ if ((bootstrap & AR933X_BOOTSTRAP_EEPBUSY) == 0) ++ return 0; ++ ++ if (retries-- == 0) ++ break; ++ ++ udelay(10000); ++ } ++ ++ pr_err("ar933x: WMAC reset timed out"); ++ return -ETIMEDOUT; + } + + static int ar933x_r1_get_wmac_revision(void) |