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mac80211: ath9k: remove gpio buttons support

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This is only used by mach files, which are no longer used in OpenWrt.

Allows removing a custon ath9k_platform.h file.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/17445
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Rosen Penev
2024-12-31 14:37:45 -08:00
committed by Robert Marko
parent baf73daaac
commit d70f8dea1e
2 changed files with 0 additions and 186 deletions
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131
package/kernel/mac80211/patches/ath9k/549-ath9k_enable_gpio_buttons.patch
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@@ -1,131 +0,0 @@
From: Michal Cieslakiewicz <michal.cieslakiewicz@wp.pl>
Subject: [PATCH v5 5/8] mac80211: ath9k: enable GPIO buttons
Enable platform-defined GPIO button support for ath9k device.
Key poller is activated for attached platform buttons.
Requires ath9k GPIO chip access.
Signed-off-by: Michal Cieslakiewicz <michal.cieslakiewicz@wp.pl>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -1051,6 +1051,7 @@ struct ath_softc {
#ifdef CONFIG_GPIOLIB
struct gpio_chip *gpiochip;
struct gpio_desc *gpiodesc;
+ struct platform_device *btnpdev; /* gpio-keys-polled */
#endif
#endif
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -15,6 +15,9 @@
*/
#include "ath9k.h"
+#include <linux/ath9k_platform.h>
+#include <linux/platform_device.h>
+#include <linux/gpio_keys.h>
#ifdef CPTCFG_MAC80211_LEDS
@@ -114,6 +117,67 @@ static void ath9k_unregister_gpio_chip(s
kfree(gc);
}
+/******************/
+/* GPIO Buttons */
+/******************/
+
+/* add GPIO buttons */
+static void ath9k_init_buttons(struct ath_softc *sc)
+{
+ struct ath9k_platform_data *pdata = sc->dev->platform_data;
+ struct platform_device *pdev;
+ struct gpio_keys_platform_data gkpdata;
+ struct gpio_keys_button *bt;
+ int i;
+
+ if (!sc->gpiochip)
+ return;
+
+ if (!pdata || !pdata->btns || !pdata->num_btns)
+ return;
+
+ bt = devm_kmemdup(sc->dev, pdata->btns,
+ pdata->num_btns * sizeof(struct gpio_keys_button),
+ GFP_KERNEL);
+ if (!bt)
+ return;
+
+ for (i = 0; i < pdata->num_btns; i++) {
+ if (pdata->btns[i].gpio == sc->sc_ah->led_pin)
+ sc->sc_ah->led_pin = -1;
+
+ ath9k_hw_gpio_request_in(sc->sc_ah, pdata->btns[i].gpio,
+ "ath9k-gpio");
+ bt[i].gpio = sc->gpiochip->base + pdata->btns[i].gpio;
+ }
+
+ memset(&gkpdata, 0, sizeof(struct gpio_keys_platform_data));
+ gkpdata.buttons = bt;
+ gkpdata.nbuttons = pdata->num_btns;
+ gkpdata.poll_interval = pdata->btn_poll_interval;
+
+ pdev = platform_device_register_data(sc->dev, "gpio-keys-polled",
+ PLATFORM_DEVID_AUTO, &gkpdata,
+ sizeof(gkpdata));
+ if (!IS_ERR_OR_NULL(pdev))
+ sc->btnpdev = pdev;
+ else {
+ sc->btnpdev = NULL;
+ devm_kfree(sc->dev, bt);
+ }
+}
+
+/* remove GPIO buttons */
+static void ath9k_deinit_buttons(struct ath_softc *sc)
+{
+ if (!sc->gpiochip || !sc->btnpdev)
+ return;
+
+ platform_device_unregister(sc->btnpdev);
+
+ sc->btnpdev = NULL;
+}
+
#else /* CONFIG_GPIOLIB */
static inline void ath9k_register_gpio_chip(struct ath_softc *sc)
@@ -124,6 +188,14 @@ static inline void ath9k_unregister_gpio
{
}
+static inline void ath9k_init_buttons(struct ath_softc *sc)
+{
+}
+
+static inline void ath9k_deinit_buttons(struct ath_softc *sc)
+{
+}
+
#endif /* CONFIG_GPIOLIB */
/********************************/
@@ -229,6 +301,7 @@ void ath_deinit_leds(struct ath_softc *s
{
struct ath_led *led;
+ ath9k_deinit_buttons(sc);
while (!list_empty(&sc->leds)) {
led = list_first_entry(&sc->leds, struct ath_led, list);
#ifdef CONFIG_GPIOLIB
@@ -266,6 +339,7 @@ void ath_init_leds(struct ath_softc *sc)
}
ath_fill_led_pin(sc);
+ ath9k_init_buttons(sc);
snprintf(led_name, sizeof(led_name), "ath9k-%s",
wiphy_name(sc->hw->wiphy));