ath9k_hw: Get AHB clock information from ath9k_platform_data

Add a bool in ath9k_platform_data to pass AHB clock speed information.
Driver needs this to configure PLL on some SOCs.

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.h b/drivers/net/wireless/ath/ath9k/hw.h
index 450b642..5a4ba09 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -846,6 +846,8 @@
 
 	/* Enterprise mode cap */
 	u32 ent_mode;
+
+	bool is_clk_25mhz;
 };
 
 struct ath_bus_ops {
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 1ac8318..e78b6ae 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -574,6 +574,7 @@
 		sc->sc_ah->gpio_mask = pdata->gpio_mask;
 		sc->sc_ah->gpio_val = pdata->gpio_val;
 		sc->sc_ah->led_pin = pdata->led_pin;
+		ah->is_clk_25mhz = pdata->is_clk_25mhz;
 	}
 
 	common = ath9k_hw_common(ah);
diff --git a/include/linux/ath9k_platform.h b/include/linux/ath9k_platform.h
index 020387a..60a7c49 100644
--- a/include/linux/ath9k_platform.h
+++ b/include/linux/ath9k_platform.h
@@ -28,6 +28,8 @@
 	int led_pin;
 	u32 gpio_mask;
 	u32 gpio_val;
+
+	bool is_clk_25mhz;
 };
 
 #endif /* _LINUX_ATH9K_PLATFORM_H */