ath9k_hw: add GPIO setup code for AR9271
Assign the proper number of GPIO pins for AR9271.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 9de4603..7b1ba6f 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -3229,7 +3229,9 @@
else
pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD;
- if (AR_SREV_9285_10_OR_LATER(ah))
+ if (AR_SREV_9271(ah))
+ pCap->num_gpio_pins = AR9271_NUM_GPIO;
+ else if (AR_SREV_9285_10_OR_LATER(ah))
pCap->num_gpio_pins = AR9285_NUM_GPIO;
else if (AR_SREV_9280_10_OR_LATER(ah))
pCap->num_gpio_pins = AR928X_NUM_GPIO;
@@ -3465,7 +3467,9 @@
if (gpio >= ah->caps.num_gpio_pins)
return 0xffffffff;
- if (AR_SREV_9287_10_OR_LATER(ah))
+ if (AR_SREV_9271(ah))
+ return MS_REG_READ(AR9271, gpio) != 0;
+ else if (AR_SREV_9287_10_OR_LATER(ah))
return MS_REG_READ(AR9287, gpio) != 0;
else if (AR_SREV_9285_10_OR_LATER(ah))
return MS_REG_READ(AR9285, gpio) != 0;
@@ -3494,6 +3498,9 @@
void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val)
{
+ if (AR_SREV_9271(ah))
+ val = ~val;
+
REG_RMW(ah, AR_GPIO_IN_OUT, ((val & 1) << gpio),
AR_GPIO_BIT(gpio));
}