From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 19 Mar 2011 12:55:40 +0000 (+0100)
Subject: ath9k: add support for overriding LED pin and GPIO settings from platform data
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6de66dd963ddd669667a81a2401f2fd6472ff55c;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

ath9k: add support for overriding LED pin and GPIO settings from platform data

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
index 0fb8f8ac275a..44a0a886124d 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -41,12 +41,14 @@ void ath_init_leds(struct ath_softc *sc)
 {
 	int ret;
 
-	if (AR_SREV_9287(sc->sc_ah))
-		sc->sc_ah->led_pin = ATH_LED_PIN_9287;
-	else if (AR_SREV_9485(sc->sc_ah))
-		sc->sc_ah->led_pin = ATH_LED_PIN_9485;
-	else
-		sc->sc_ah->led_pin = ATH_LED_PIN_DEF;
+	if (sc->sc_ah->led_pin < 0) {
+		if (AR_SREV_9287(sc->sc_ah))
+			sc->sc_ah->led_pin = ATH_LED_PIN_9287;
+		else if (AR_SREV_9485(sc->sc_ah))
+			sc->sc_ah->led_pin = ATH_LED_PIN_9485;
+		else
+			sc->sc_ah->led_pin = ATH_LED_PIN_DEF;
+	}
 
 	/* Configure gpio 1 for output */
 	ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin,
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 775c0eb10b95..3d9fc6e391a7 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -798,7 +798,7 @@ struct ath_hw {
 	u32 originalGain[22];
 	int initPDADC;
 	int PDADCdelta;
-	u8 led_pin;
+	int led_pin;
 	u32 gpio_mask;
 	u32 gpio_val;
 
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index e22e8215d941..cdb0f1c89a0e 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -553,8 +553,14 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 	ah->hw_version.subsysid = subsysid;
 	sc->sc_ah = ah;
 
-	if (!pdata)
+	if (!pdata) {
 		ah->ah_flags |= AH_USE_EEPROM;
+		sc->sc_ah->led_pin = -1;
+	} else {
+		sc->sc_ah->gpio_mask = pdata->gpio_mask;
+		sc->sc_ah->gpio_val = pdata->gpio_val;
+		sc->sc_ah->led_pin = pdata->led_pin;
+	}
 
 	common = ath9k_hw_common(ah);
 	common->ops = &ath9k_common_ops;
diff --git a/include/linux/ath9k_platform.h b/include/linux/ath9k_platform.h
index b5f06583a1ba..020387a114e3 100644
--- a/include/linux/ath9k_platform.h
+++ b/include/linux/ath9k_platform.h
@@ -24,6 +24,10 @@
 struct ath9k_platform_data {
 	u16 eeprom_data[ATH9K_PLAT_EEP_MAX_WORDS];
 	u8 *macaddr;
+
+	int led_pin;
+	u32 gpio_mask;
+	u32 gpio_val;
 };
 
 #endif /* _LINUX_ATH9K_PLATFORM_H */