The register which gives input gpio state is 0x404c for ar9003,
currently 0x4048 is wrongly used. This will disable RF and make
it unusable on some of AR9003.
Cc:stable@xxxxxxxxxx
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/hw.c | 3 ++-
drivers/net/wireless/ath/ath9k/reg.h | 6 ++++--
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index b4396a9..9b1ee7f 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2051,7 +2051,8 @@ u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio)
val = REG_READ(ah, AR7010_GPIO_IN);
return (MS(val, AR7010_GPIO_IN_VAL) & AR_GPIO_BIT(gpio)) == 0;
} else if (AR_SREV_9300_20_OR_LATER(ah))
- return MS_REG_READ(AR9300, gpio) != 0;
+ return (MS(REG_READ(ah, AR_GPIO_IN), AR9300_GPIO_IN_VAL) &
+ AR_GPIO_BIT(gpio)) != 0;
else if (AR_SREV_9271(ah))
return MS_REG_READ(AR9271, gpio) != 0;
else if (AR_SREV_9287_11_OR_LATER(ah))
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index a597cc8..c2472ed 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -976,11 +976,13 @@ enum {
#define AR9287_GPIO_IN_VAL_S 11
#define AR9271_GPIO_IN_VAL 0xFFFF0000
#define AR9271_GPIO_IN_VAL_S 16
-#define AR9300_GPIO_IN_VAL 0x0001FFFF
-#define AR9300_GPIO_IN_VAL_S 0
#define AR7010_GPIO_IN_VAL 0x0000FFFF
#define AR7010_GPIO_IN_VAL_S 0
+#define AR_GPIO_IN 0x404c
+#define AR9300_GPIO_IN_VAL 0x0001FFFF
+#define AR9300_GPIO_IN_VAL_S 0
+
#define AR_GPIO_OE_OUT (AR_SREV_9300_20_OR_LATER(ah) ? 0x4050 : 0x404c)
#define AR_GPIO_OE_OUT_DRV 0x3
#define AR_GPIO_OE_OUT_DRV_NO 0x0
--
1.7.0.4
--
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