From db2221901fbded787daed153281ed875de489692 Mon Sep 17 00:00:00 2001 From: Miaoqing Pan Date: Mon, 7 Mar 2016 10:38:16 +0800 Subject: [PATCH] ath9k: free GPIO resource for SOC GPIOs For SOC GPIOs, should call ath9k_hw_gpio_free() to release the GPIO resource. Signed-off-by: Miaoqing Pan Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/btcoex.c | 10 ++++++++++ drivers/net/wireless/ath/ath9k/btcoex.h | 1 + drivers/net/wireless/ath/ath9k/gpio.c | 9 +++++++++ drivers/net/wireless/ath/ath9k/htc_drv_gpio.c | 2 ++ drivers/net/wireless/ath/ath9k/hw.c | 1 + 5 files changed, 23 insertions(+) diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c index 7719cb1d8b68..4737aa947f99 100644 --- a/drivers/net/wireless/ath/ath9k/btcoex.c +++ b/drivers/net/wireless/ath/ath9k/btcoex.c @@ -174,6 +174,16 @@ void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah) } EXPORT_SYMBOL(ath9k_hw_btcoex_init_3wire); +void ath9k_hw_btcoex_deinit(struct ath_hw *ah) +{ + struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; + + ath9k_hw_gpio_free(ah, btcoex_hw->btactive_gpio); + ath9k_hw_gpio_free(ah, btcoex_hw->btpriority_gpio); + ath9k_hw_gpio_free(ah, btcoex_hw->wlanactive_gpio); +} +EXPORT_SYMBOL(ath9k_hw_btcoex_deinit); + void ath9k_hw_btcoex_init_mci(struct ath_hw *ah) { ah->btcoex_hw.mci.ready = false; diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h index cd2f0a2373cb..0f7c4e61ac13 100644 --- a/drivers/net/wireless/ath/ath9k/btcoex.h +++ b/drivers/net/wireless/ath/ath9k/btcoex.h @@ -123,6 +123,7 @@ struct ath_btcoex_hw { void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah); void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah); void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah); +void ath9k_hw_btcoex_deinit(struct ath_hw *ah); void ath9k_hw_btcoex_init_mci(struct ath_hw *ah); void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum); void ath9k_hw_btcoex_set_weight(struct ath_hw *ah, diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c index b41dfb7c2784..4964bb36dad2 100644 --- a/drivers/net/wireless/ath/ath9k/gpio.c +++ b/drivers/net/wireless/ath/ath9k/gpio.c @@ -40,6 +40,8 @@ void ath_deinit_leds(struct ath_softc *sc) ath_led_brightness(&sc->led_cdev, LED_OFF); led_classdev_unregister(&sc->led_cdev); + + ath9k_hw_gpio_free(sc->sc_ah, sc->sc_ah->led_pin); } void ath_init_leds(struct ath_softc *sc) @@ -404,6 +406,13 @@ void ath9k_deinit_btcoex(struct ath_softc *sc) if (ath9k_hw_mci_is_enabled(ah)) ath_mci_cleanup(sc); + else { + enum ath_btcoex_scheme scheme = ath9k_hw_get_btcoex_scheme(ah); + + if (scheme == ATH_BTCOEX_CFG_2WIRE || + scheme == ATH_BTCOEX_CFG_3WIRE) + ath9k_hw_btcoex_deinit(sc->sc_ah); + } } int ath9k_init_btcoex(struct ath_softc *sc) diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c index d9b640a2488c..ecb848b60725 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c @@ -253,6 +253,8 @@ void ath9k_deinit_leds(struct ath9k_htc_priv *priv) ath9k_led_brightness(&priv->led_cdev, LED_OFF); led_classdev_unregister(&priv->led_cdev); cancel_work_sync(&priv->led_work); + + ath9k_hw_gpio_free(priv->ah, priv->ah->led_pin); } diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 7f39b13a4ca0..42009065e234 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1585,6 +1585,7 @@ static void ath9k_hw_apply_gpio_override(struct ath_hw *ah) ath9k_hw_gpio_request_out(ah, i, NULL, AR_GPIO_OUTPUT_MUX_AS_OUTPUT); ath9k_hw_set_gpio(ah, i, !!(ah->gpio_val & BIT(i))); + ath9k_hw_gpio_free(ah, i); } } -- 2.20.1