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ath9k: cleanup led_pin initial 

Make ath_init_leds() and ath_deinit_leds() pairs as the only
API to set leds, also removed direction configuration from
ath9k_start() and ath9k_stop(). So the initial is more clear
now.

Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Miaoqing Pan 2016-03-07 10:38:17 +08:00 committed by Kalle Valo
parent db2221901f
commit 79d4db1214
5 changed files with 31 additions and 47 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/ath/ath9k/ath9k.h
View File

@ -813,7 +813,6 @@ static inline int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size)
#ifdef CONFIG_MAC80211_LEDS
void ath_init_leds(struct ath_softc *sc);
void ath_deinit_leds(struct ath_softc *sc);
void ath_fill_led_pin(struct ath_softc *sc);
#else
static inline void ath_init_leds(struct ath_softc *sc)
{
@ -822,9 +821,6 @@ static inline void ath_init_leds(struct ath_softc *sc)
static inline void ath_deinit_leds(struct ath_softc *sc)
{
}
static inline void ath_fill_led_pin(struct ath_softc *sc)
{
}
#endif
/************************/

62
drivers/net/wireless/ath/ath9k/gpio.c
View File

@ -21,6 +21,33 @@
/********************************/
#ifdef CONFIG_MAC80211_LEDS
void ath_fill_led_pin(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
/* Set default led pin if invalid */
if (ah->led_pin < 0) {
if (AR_SREV_9287(ah))
ah->led_pin = ATH_LED_PIN_9287;
else if (AR_SREV_9485(ah))
ah->led_pin = ATH_LED_PIN_9485;
else if (AR_SREV_9300(ah))
ah->led_pin = ATH_LED_PIN_9300;
else if (AR_SREV_9462(ah) || AR_SREV_9565(ah))
ah->led_pin = ATH_LED_PIN_9462;
else
ah->led_pin = ATH_LED_PIN_DEF;
}
/* Configure gpio for output */
ath9k_hw_gpio_request_out(ah, ah->led_pin, "ath9k-led",
AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
/* LED off, active low */
ath9k_hw_set_gpio(ah, ah->led_pin, ah->config.led_active_high ? 0 : 1);
}
static void ath_led_brightness(struct led_classdev *led_cdev,
enum led_brightness brightness)
{
@ -51,6 +78,8 @@ void ath_init_leds(struct ath_softc *sc)
if (AR_SREV_9100(sc->sc_ah))
return;
ath_fill_led_pin(sc);
if (!ath9k_led_blink)
sc->led_cdev.default_trigger =
ieee80211_get_radio_led_name(sc->hw);
@ -66,39 +95,6 @@ void ath_init_leds(struct ath_softc *sc)
sc->led_registered = true;
}
void ath_fill_led_pin(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
if (AR_SREV_9100(ah))
return;
if (ah->led_pin >= 0) {
if (!((1 << ah->led_pin) & AR_GPIO_OE_OUT_MASK))
ath9k_hw_gpio_request_out(ah, ah->led_pin, "ath9k-led",
AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
return;
}
if (AR_SREV_9287(ah))
ah->led_pin = ATH_LED_PIN_9287;
else if (AR_SREV_9485(sc->sc_ah))
ah->led_pin = ATH_LED_PIN_9485;
else if (AR_SREV_9300(sc->sc_ah))
ah->led_pin = ATH_LED_PIN_9300;
else if (AR_SREV_9462(sc->sc_ah) || AR_SREV_9565(sc->sc_ah))
ah->led_pin = ATH_LED_PIN_9462;
else
ah->led_pin = ATH_LED_PIN_DEF;
/* Configure gpio 1 for output */
ath9k_hw_gpio_request_out(ah, ah->led_pin, "ath9k-led",
AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
/* LED off, active low */
ath9k_hw_set_gpio(ah, ah->led_pin, (ah->config.led_active_high) ? 0 : 1);
}
#endif
/*******************/

1
drivers/net/wireless/ath/ath9k/init.c
View File

@ -660,7 +660,6 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
ath9k_cmn_init_crypto(sc->sc_ah);
ath9k_init_misc(sc);
ath_fill_led_pin(sc);
ath_chanctx_init(sc);
ath9k_offchannel_init(sc);

9
drivers/net/wireless/ath/ath9k/main.c
View File

@ -718,12 +718,9 @@ static int ath9k_start(struct ieee80211_hw *hw)
if (!ath_complete_reset(sc, false))
ah->reset_power_on = false;
if (ah->led_pin >= 0) {
if (ah->led_pin >= 0)
ath9k_hw_set_gpio(ah, ah->led_pin,
(ah->config.led_active_high) ? 1 : 0);
ath9k_hw_gpio_request_out(ah, ah->led_pin, NULL,
AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
}
/*
* Reset key cache to sane defaults (all entries cleared) instead of
@ -867,11 +864,9 @@ static void ath9k_stop(struct ieee80211_hw *hw)
spin_lock_bh(&sc->sc_pcu_lock);
if (ah->led_pin >= 0) {
if (ah->led_pin >= 0)
ath9k_hw_set_gpio(ah, ah->led_pin,
(ah->config.led_active_high) ? 0 : 1);
ath9k_hw_gpio_request_in(ah, ah->led_pin, NULL);
}
ath_prepare_reset(sc);

2
drivers/net/wireless/ath/ath9k/reg.h
View File

@ -1168,8 +1168,6 @@ enum {
#define AR_GPIO_OE_OUT (AR_SREV_9340(ah) ? 0x4030 : \
(AR_SREV_9300_20_OR_LATER(ah) ? 0x4050 : 0x404c))
#define AR_GPIO_OE_OUT_MASK (AR_SREV_9550_OR_LATER(ah) ? \
0x0000000F : 0xFFFFFFFF)
#define AR_GPIO_OE_OUT_DRV 0x3
#define AR_GPIO_OE_OUT_DRV_NO 0x0
#define AR_GPIO_OE_OUT_DRV_LOW 0x1