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kernel: mac80211: set the parent of the ath9k gpio_chip 

This allows gpiolib to re-use ath9k's devicetree node as GPIO
controller.
Example:

ath9k: ath9k@0 {
	#gpio-cells = <2>;
	gpio-controller;
}

Now the ath9k node can be used just like any other GPIO controller:
	gpios = <&ath9k 1 GPIO_ACTIVE_HIGH>;

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
lede-17.01
Martin Blumenstingl 2016-07-01 15:41:19 +02:00 committed by Felix Fietkau
parent 7b7ea91e24
commit 70afc0bdd1
2 changed files with 15 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
package/kernel/mac80211/patches/548-ath9k_enable_gpio_chip.patch
View File

@ -45,7 +45,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
#ifdef CPTCFG_ATH9K_DEBUGFS
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -16,13 +16,130 @@
@@ -16,13 +16,135 @@
#include "ath9k.h"
#include <linux/ath9k_platform.h>
@ -125,6 +125,11 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
+
+ snprintf(gc->label, sizeof(gc->label), "ath9k-%s",
+ wiphy_name(sc->hw->wiphy));
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,5,0)
+ gc->gchip.parent = sc->dev;
+#else
+ gc->gchip.dev = sc->dev;
+#endif
+ gc->gchip.label = gc->label;
+ gc->gchip.base = -1; /* determine base automatically */
+ gc->gchip.ngpio = ah->caps.num_gpio_pins;
@ -178,7 +183,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
static void ath_fill_led_pin(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
@@ -80,6 +197,12 @@ static int ath_add_led(struct ath_softc
@@ -80,6 +202,12 @@ static int ath_add_led(struct ath_softc
else
ath9k_hw_set_gpio(sc->sc_ah, gpio->gpio, gpio->active_low);
@ -191,7 +196,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
return 0;
}
@@ -136,12 +259,18 @@ void ath_deinit_leds(struct ath_softc *s
@@ -136,12 +264,18 @@ void ath_deinit_leds(struct ath_softc *s
while (!list_empty(&sc->leds)) {
led = list_first_entry(&sc->leds, struct ath_led, list);
@ -210,7 +215,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
}
void ath_init_leds(struct ath_softc *sc)
@@ -158,6 +287,8 @@ 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);
@ -219,7 +224,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
if (pdata && pdata->led_name)
strncpy(led_name, pdata->led_name, sizeof(led_name));
else
@@ -178,6 +309,7 @@ void ath_init_leds(struct ath_softc *sc)
@@ -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]);
}

10
package/kernel/mac80211/patches/549-ath9k_enable_gpio_buttons.patch
View File

@ -29,7 +29,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
#ifdef CPTCFG_MAC80211_LEDS
@@ -124,6 +126,64 @@ static void ath9k_unregister_gpio_chip(s
@@ -129,6 +131,64 @@ static void ath9k_unregister_gpio_chip(s
sc->gpiochip = NULL;
}
@ -94,7 +94,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
#else /* CONFIG_GPIOLIB */
static inline void ath9k_register_gpio_chip(struct ath_softc *sc)
@@ -134,6 +194,14 @@ static inline void ath9k_unregister_gpio
@@ -139,6 +199,14 @@ static inline void ath9k_unregister_gpio
{
}
@ -109,7 +109,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
#endif /* CONFIG_GPIOLIB */
/********************************/
@@ -257,6 +325,7 @@ void ath_deinit_leds(struct ath_softc *s
@@ -262,6 +330,7 @@ void ath_deinit_leds(struct ath_softc *s
{
struct ath_led *led;
@ -117,7 +117,7 @@ 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
@@ -288,6 +357,7 @@ void ath_init_leds(struct ath_softc *sc)
@@ -293,6 +362,7 @@ void ath_init_leds(struct ath_softc *sc)
ath_fill_led_pin(sc);
ath9k_register_gpio_chip(sc);
@ -125,7 +125,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
if (pdata && pdata->led_name)
strncpy(led_name, pdata->led_name, sizeof(led_name));
@@ -303,7 +373,7 @@ void ath_init_leds(struct ath_softc *sc)
@@ -308,7 +378,7 @@ 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);