pll configuration will differ for 25mhz clock.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/hw.c | 11 +++++++++++
drivers/net/wireless/ath/ath9k/hw.h | 2 ++
2 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index d98b4c6..8b90b9c 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -481,6 +481,9 @@ static void ath9k_hw_attach_ops(struct ath_hw *ah)
/* Called for all hardware families */
static int __ath9k_hw_init(struct ath_hw *ah)
{
+#define AR9340_SOC_SEL_25M_40M 0xB80600B0
+#define AR9340_REF_CLK_40 (1 << 4) /* 0 - 25MHz 1 - 40 MHz */
+
struct ath_common *common = ath9k_hw_common(ah);
int r = 0;
@@ -508,6 +511,14 @@ static int __ath9k_hw_init(struct ath_hw *ah)
ath9k_hw_attach_ops(ah);
+ if (AR_SREV_9340(ah)) {
+ if (*((volatile u32 *) AR9340_SOC_SEL_25M_40M) &
+ AR9340_REF_CLK_40)
+ ah->is_clk_25mhz = false;
+ else
+ ah->is_clk_25mhz = true;
+ }
+
if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
ath_err(common, "Couldn't wakeup chip\n");
return -EIO;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index afdb006..721eb27 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -845,6 +845,8 @@ struct ath_hw {
/* Enterprise mode cap */
u32 ent_mode;
+
+ bool is_clk_25mhz;
};
static inline struct ath_common *ath9k_hw_common(struct ath_hw *ah)
--
1.7.0.4
--
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