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| author | Felix Fietkau <nbd@openwrt.org> | 2012-09-17 11:17:29 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2012-09-17 11:17:29 +0000 |
| commit | e8893fdf7a151854f0edcee6863bd7e81e887705 (patch) | |
| tree | 101d8e8a6522394929703a0e745794b49b9b32d8 | |
| parent | b086475e1e325a545a78ea5e136c4d97beb3445f (diff) | |
| download | upstream-e8893fdf7a151854f0edcee6863bd7e81e887705.tar.gz upstream-e8893fdf7a151854f0edcee6863bd7e81e887705.tar.bz2 upstream-e8893fdf7a151854f0edcee6863bd7e81e887705.zip | |
ar71xx: add missing code for ar933x WMAC reset that was left out during the ar71xx->ath79 migration, should fix wifi stability issues on ar933x
SVN-Revision: 33446
| -rw-r--r-- | target/linux/ar71xx/patches-3.3/650-MIPS-ath79-fix-ar933x-reset.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-3.3/650-MIPS-ath79-fix-ar933x-reset.patch b/target/linux/ar71xx/patches-3.3/650-MIPS-ath79-fix-ar933x-reset.patch new file mode 100644 index 0000000000..a81d6ea6e0 --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/650-MIPS-ath79-fix-ar933x-reset.patch @@ -0,0 +1,31 @@ +--- a/arch/mips/ath79/dev-wmac.c ++++ b/arch/mips/ath79/dev-wmac.c +@@ -67,10 +67,27 @@ 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); ++ retries++; ++ } ++ ++ pr_err("ar933x: WMAC reset timed out"); ++ return -ETIMEDOUT; + } + + static int ar933x_r1_get_wmac_revision(void) |