struct ath_softc {
struct ieee80211_hw *hw;
struct device *dev;
-@@ -1057,6 +1066,9 @@ struct ath_softc {
+@@ -1058,6 +1067,9 @@ struct ath_softc {
#ifdef CPTCFG_MAC80211_LEDS
const char *led_default_trigger;
struct list_head leds;
#ifdef CPTCFG_ATH9K_DEBUGFS
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
-@@ -16,13 +16,135 @@
+@@ -16,13 +16,139 @@
#include "ath9k.h"
#include <linux/ath9k_platform.h>
+ if (!gc)
+ return;
+
++ gc->sc = sc;
+ snprintf(gc->label, sizeof(gc->label), "ath9k-%s",
+ wiphy_name(sc->hw->wiphy));
++#ifdef CONFIG_OF
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,5,0)
+ gc->gchip.parent = sc->dev;
+#else
+ gc->gchip.dev = sc->dev;
+#endif
++#endif
+ gc->gchip.label = gc->label;
+ gc->gchip.base = -1; /* determine base automatically */
+ gc->gchip.ngpio = ah->caps.num_gpio_pins;
+ return;
+ }
+
++#ifdef CONFIG_OF
+ gc->gchip.owner = NULL;
++#endif
+ sc->gpiochip = gc;
-+ gc->sc = sc;
+}
+
+/* remove GPIO chip */
static void ath_fill_led_pin(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
-@@ -80,6 +202,12 @@ static int ath_add_led(struct ath_softc
+@@ -80,6 +206,12 @@ static int ath_add_led(struct ath_softc
else
ath9k_hw_set_gpio(sc->sc_ah, gpio->gpio, gpio->active_low);
return 0;
}
-@@ -136,12 +264,18 @@ void ath_deinit_leds(struct ath_softc *s
+@@ -136,17 +268,24 @@ void ath_deinit_leds(struct ath_softc *s
while (!list_empty(&sc->leds)) {
led = list_first_entry(&sc->leds, struct ath_led, list);
}
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 +295,15 @@ 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 and skip the led_pin setup */
++ if (of_property_read_bool(np, "gpio-controller")) {
++ ath9k_register_gpio_chip(sc);
++ return;
++ }
++
ath_fill_led_pin(sc);
-+ ath9k_register_gpio_chip(sc);
-+
- if (pdata && pdata->led_name)
- strncpy(led_name, pdata->led_name, sizeof(led_name));
- else
-@@ -178,6 +314,7 @@ void ath_init_leds(struct ath_softc *sc)
- for (i = 0; i < pdata->num_leds; i++)
- ath_create_platform_led(sc, &pdata->leds[i]);
+ if (pdata && pdata->leds && pdata->num_leds)
+@@ -180,6 +328,7 @@ 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);
}
+
#endif