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authorMathias Kresin <dev@kresin.me>2017-03-22 07:29:32 +0100
committerMathias Kresin <dev@kresin.me>2017-04-08 14:30:00 +0200
commit20b45df7ebcd18802d56f51893d40af43b687cb3 (patch)
tree62876dc11329575e1f2ecc2caafb65334bad366b /package/kernel/mac80211
parent192f0a3db8598fc6faa47788d0152bda54c5109a (diff)
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ath9k: enable GPIO chip only if requested via DT
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>
Diffstat (limited to 'package/kernel/mac80211')
-rw-r--r--package/kernel/mac80211/patches/548-ath9k_enable_gpio_chip.patch25
-rw-r--r--package/kernel/mac80211/patches/549-ath9k_enable_gpio_buttons.patch6
2 files changed, 21 insertions, 10 deletions
diff --git a/package/kernel/mac80211/patches/548-ath9k_enable_gpio_chip.patch b/package/kernel/mac80211/patches/548-ath9k_enable_gpio_chip.patch
index 4e28abbc35..10047a7cfd 100644
--- a/package/kernel/mac80211/patches/548-ath9k_enable_gpio_chip.patch
+++ b/package/kernel/mac80211/patches/548-ath9k_enable_gpio_chip.patch
@@ -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)
+ {
+ 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);
-+ ath9k_register_gpio_chip(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);
}
diff --git a/package/kernel/mac80211/patches/549-ath9k_enable_gpio_buttons.patch b/package/kernel/mac80211/patches/549-ath9k_enable_gpio_buttons.patch
index 8aefcf4d07..1d1efe5384 100644
--- a/package/kernel/mac80211/patches/549-ath9k_enable_gpio_buttons.patch
+++ b/package/kernel/mac80211/patches/549-ath9k_enable_gpio_buttons.patch
@@ -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);
- ath9k_register_gpio_chip(sc);
+ ath_fill_led_pin(sc);
+ ath9k_init_buttons(sc);
if (pdata && pdata->leds && pdata->num_leds)