From 6de66dd963ddd669667a81a2401f2fd6472ff55c Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sat, 19 Mar 2011 13:55:40 +0100 Subject: [PATCH] ath9k: add support for overriding LED pin and GPIO settings from platform data Signed-off-by: Felix Fietkau Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/gpio.c | 14 ++++++++------ drivers/net/wireless/ath/ath9k/hw.h | 2 +- drivers/net/wireless/ath/ath9k/init.c | 8 +++++++- include/linux/ath9k_platform.h | 4 ++++ 4 files changed, 20 insertions(+), 8 deletions(-) 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 @@ 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 775c0eb..3d9fc6e 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 e22e821..cdb0f1c 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 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 */ -- 2.7.4