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ath9k: enable GPIO chip only if requested via DT

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In case that the atheros device tree binding is used, enable access to
the GPIO chip only if the gpio-controller device tree parameter is used
for the ath9k node.

Signed-off-by: Mathias Kresin <dev@kresin.me>
This commit is contained in:
Mathias Kresin 2017-03-22 07:29:32 +01:00
parent 192f0a3db8
commit 20b45df7eb
2 changed files with 21 additions and 10 deletions
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25
package/kernel/mac80211/patches/548-ath9k_enable_gpio_chip.patch
View File

@ -196,7 +196,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
return 0;
}
@@ -136,12 +264,18 @@ void ath_deinit_leds(struct ath_softc *s
@@ -136,17 +264,24 @@ void ath_deinit_leds(struct ath_softc *s
while (!list_empty(&sc->leds)) {
led = list_first_entry(&sc->leds, struct ath_led, list);
@ -215,16 +215,27 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
}
void ath_init_leds(struct ath_softc *sc)
@@ -158,6 +292,8 @@ void ath_init_leds(struct ath_softc *sc)
ath_fill_led_pin(sc);
{
struct ath9k_platform_data *pdata = sc->dev->platform_data;
+ struct device_node *np = sc->dev->of_node;
char led_name[32];
const char *trigger;
int i;
@@ -156,6 +291,13 @@ void ath_init_leds(struct ath_softc *sc)
if (AR_SREV_9100(sc->sc_ah))
return;
+ if (!np)
+ ath9k_register_gpio_chip(sc);
+
+ /* setup gpio controller only if requested */
+ if (of_property_read_bool(np, "gpio-controller"))
+ ath9k_register_gpio_chip(sc);
+
ath_fill_led_pin(sc);
if (pdata && pdata->leds && pdata->num_leds)
for (i = 0; i < pdata->num_leds; i++) {
if (pdata->leds[i].gpio == sc->sc_ah->led_pin)
@@ -183,6 +319,7 @@ void ath_init_leds(struct ath_softc *sc)
@@ -183,6 +325,7 @@ void ath_init_leds(struct ath_softc *sc)
ath_create_gpio_led(sc, sc->sc_ah->led_pin, led_name, trigger,
!sc->sc_ah->config.led_active_high);
}

6
package/kernel/mac80211/patches/549-ath9k_enable_gpio_buttons.patch
View File

@ -117,10 +117,10 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
while (!list_empty(&sc->leds)) {
led = list_first_entry(&sc->leds, struct ath_led, list);
#ifdef CONFIG_GPIOLIB
@@ -293,6 +362,7 @@ void ath_init_leds(struct ath_softc *sc)
ath_fill_led_pin(sc);
@@ -299,6 +368,7 @@ void ath_init_leds(struct ath_softc *sc)
ath9k_register_gpio_chip(sc);
ath_fill_led_pin(sc);
+ ath9k_init_buttons(sc);
if (pdata && pdata->leds && pdata->num_leds)