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 0fb8f8a..44a0a88 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -41,12 +41,14 @@
{
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 775c0eb..3d9fc6e 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -798,7 +798,7 @@
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 e22e821..cdb0f1c 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -553,8 +553,14 @@
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 b5f0658..020387a 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 */