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authorJohn Crispin <john@phrozen.org>2018-08-09 15:59:41 +0200
committerJohn Crispin <john@phrozen.org>2018-08-22 08:09:00 +0200
commit318e19ba6755105bb6cc19937d8fff26cbd2cc6f (patch)
tree2f7c96140932a2770fb767141c7d1e93d29127b0 /target/linux/ar71xx/patches-4.14/200-MIPS-ath79-fix-ar933x-wmac-reset.patch
parente5f56c07d7fab9a6f2201f4100b593349b8ef67d (diff)
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ar71xx: add v4.14 support
adds v4.14 patches for testing but leaves v4.9 as default for now. Signed-off-by: John Crispin <john@phrozen.org>
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.patch30
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)