ath9k: Configure pll control for AR9485
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@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 a2f85b7..9f4398c 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -667,7 +667,12 @@
static void ath9k_hw_init_pll(struct ath_hw *ah,
struct ath9k_channel *chan)
{
- u32 pll = ath9k_hw_compute_pll_control(ah, chan);
+ u32 pll;
+
+ if (AR_SREV_9485(ah))
+ REG_WRITE(ah, AR_RTC_PLL_CONTROL2, 0x886666);
+
+ pll = ath9k_hw_compute_pll_control(ah, chan);
REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index 0153ba1..d3257f7 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -1114,6 +1114,8 @@
#define AR_RTC_PLL_CONTROL \
((AR_SREV_9100(ah)) ? (AR_RTC_BASE + 0x0014) : 0x7014)
+#define AR_RTC_PLL_CONTROL2 0x703c
+
#define AR_RTC_PLL_DIV 0x0000001f
#define AR_RTC_PLL_DIV_S 0
#define AR_RTC_PLL_DIV2 0x00000020