diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-09-17 11:17:29 +0000 |
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-09-17 11:17:29 +0000 |
| commit | 6cd281447f0110ac78abe945ea159134ec3a9986 (patch) | |
| tree | ee3b95cca8abebe0e530e4b6b647ed187806aa79 /target/linux | |
| parent | 55c1daea2cd5985214ec27adcf1bc650ab8e5c46 (diff) | |
ar71xx: add missing code for ar933x WMAC reset that was left out during the ar71xx->ath79 migration, should fix wifi stability issues on ar933x
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33446 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux')
| -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) |