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-rw-r--r--drivers/net/wireless/b43legacy/leds.c4
-rw-r--r--drivers/net/wireless/b43legacy/main.c20
-rw-r--r--drivers/net/wireless/b43legacy/rfkill.c133
3 files changed, 88 insertions, 69 deletions
diff --git a/drivers/net/wireless/b43legacy/leds.c b/drivers/net/wireless/b43legacy/leds.c
index f0affb78100..cacb786d971 100644
--- a/drivers/net/wireless/b43legacy/leds.c
+++ b/drivers/net/wireless/b43legacy/leds.c
@@ -165,6 +165,9 @@ static void b43legacy_map_led(struct b43legacy_wldev *dev,
b43legacy_register_led(dev, &dev->led_radio, name,
b43legacy_rfkill_led_name(dev),
led_index, activelow);
+ /* Sync the RF-kill LED state with the switch state. */
+ if (dev->radio_hw_enable)
+ b43legacy_led_turn_on(dev, led_index, activelow);
break;
case B43legacy_LED_WEIRD:
case B43legacy_LED_ASSOC:
@@ -234,4 +237,5 @@ void b43legacy_leds_exit(struct b43legacy_wldev *dev)
b43legacy_unregister_led(&dev->led_tx);
b43legacy_unregister_led(&dev->led_rx);
b43legacy_unregister_led(&dev->led_assoc);
+ b43legacy_unregister_led(&dev->led_radio);
}
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index aa723effcf2..14087fc20f3 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -1995,7 +1995,6 @@ static void b43legacy_mgmtframe_txantenna(struct b43legacy_wldev *dev,
static void b43legacy_chip_exit(struct b43legacy_wldev *dev)
{
b43legacy_radio_turn_off(dev, 1);
- b43legacy_leds_exit(dev);
b43legacy_gpio_cleanup(dev);
/* firmware is released later */
}
@@ -2025,11 +2024,10 @@ static int b43legacy_chip_init(struct b43legacy_wldev *dev)
err = b43legacy_gpio_init(dev);
if (err)
goto out; /* firmware is released later */
- b43legacy_leds_init(dev);
err = b43legacy_upload_initvals(dev);
if (err)
- goto err_leds_exit;
+ goto err_gpio_clean;
b43legacy_radio_turn_on(dev);
b43legacy_write16(dev, 0x03E6, 0x0000);
@@ -2111,8 +2109,7 @@ out:
err_radio_off:
b43legacy_radio_turn_off(dev, 1);
-err_leds_exit:
- b43legacy_leds_exit(dev);
+err_gpio_clean:
b43legacy_gpio_cleanup(dev);
goto out;
}
@@ -2969,10 +2966,7 @@ static void b43legacy_wireless_core_exit(struct b43legacy_wldev *dev)
cancel_work_sync(&dev->restart_work);
mutex_lock(&wl->mutex);
- mutex_unlock(&dev->wl->mutex);
- b43legacy_rfkill_exit(dev);
- mutex_lock(&dev->wl->mutex);
-
+ b43legacy_leds_exit(dev);
b43legacy_rng_exit(dev->wl);
b43legacy_pio_free(dev);
b43legacy_dma_free(dev);
@@ -3138,11 +3132,11 @@ static int b43legacy_wireless_core_init(struct b43legacy_wldev *dev)
memset(wl->mac_addr, 0, ETH_ALEN);
b43legacy_upload_card_macaddress(dev);
b43legacy_security_init(dev);
- b43legacy_rfkill_init(dev);
b43legacy_rng_init(wl);
b43legacy_set_status(dev, B43legacy_STAT_INITIALIZED);
+ b43legacy_leds_init(dev);
out:
return err;
@@ -3231,6 +3225,10 @@ static int b43legacy_op_start(struct ieee80211_hw *hw)
int did_init = 0;
int err = 0;
+ /* First register RFkill.
+ * LEDs that are registered later depend on it. */
+ b43legacy_rfkill_init(dev);
+
mutex_lock(&wl->mutex);
if (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED) {
@@ -3260,6 +3258,8 @@ static void b43legacy_op_stop(struct ieee80211_hw *hw)
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev = wl->current_dev;
+ b43legacy_rfkill_exit(dev);
+
mutex_lock(&wl->mutex);
if (b43legacy_status(dev) >= B43legacy_STAT_STARTED)
b43legacy_wireless_core_stop(dev);
diff --git a/drivers/net/wireless/b43legacy/rfkill.c b/drivers/net/wireless/b43legacy/rfkill.c
index b9d38a4f286..520910fd5c4 100644
--- a/drivers/net/wireless/b43legacy/rfkill.c
+++ b/drivers/net/wireless/b43legacy/rfkill.c
@@ -26,6 +26,8 @@
#include "radio.h"
#include "b43legacy.h"
+#include <linux/kmod.h>
+
/* Returns TRUE, if the radio is enabled in hardware. */
static bool b43legacy_is_hw_radio_enabled(struct b43legacy_wldev *dev)
@@ -51,7 +53,10 @@ static void b43legacy_rfkill_poll(struct input_polled_dev *poll_dev)
bool report_change = 0;
mutex_lock(&wl->mutex);
- B43legacy_WARN_ON(b43legacy_status(dev) < B43legacy_STAT_INITIALIZED);
+ if (unlikely(b43legacy_status(dev) < B43legacy_STAT_INITIALIZED)) {
+ mutex_unlock(&wl->mutex);
+ return;
+ }
enabled = b43legacy_is_hw_radio_enabled(dev);
if (unlikely(enabled != dev->radio_hw_enable)) {
dev->radio_hw_enable = enabled;
@@ -61,8 +66,12 @@ static void b43legacy_rfkill_poll(struct input_polled_dev *poll_dev)
}
mutex_unlock(&wl->mutex);
- if (unlikely(report_change))
- input_report_key(poll_dev->input, KEY_WLAN, enabled);
+ /* send the radio switch event to the system - note both a key press
+ * and a release are required */
+ if (unlikely(report_change)) {
+ input_report_key(poll_dev->input, KEY_WLAN, 1);
+ input_report_key(poll_dev->input, KEY_WLAN, 0);
+ }
}
/* Called when the RFKILL toggled in software.
@@ -71,13 +80,15 @@ static int b43legacy_rfkill_soft_toggle(void *data, enum rfkill_state state)
{
struct b43legacy_wldev *dev = data;
struct b43legacy_wl *wl = dev->wl;
- int err = 0;
+ int err = -EBUSY;
if (!wl->rfkill.registered)
return 0;
mutex_lock(&wl->mutex);
- B43legacy_WARN_ON(b43legacy_status(dev) < B43legacy_STAT_INITIALIZED);
+ if (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED)
+ goto out_unlock;
+ err = 0;
switch (state) {
case RFKILL_STATE_ON:
if (!dev->radio_hw_enable) {
@@ -103,11 +114,11 @@ out_unlock:
char *b43legacy_rfkill_led_name(struct b43legacy_wldev *dev)
{
- struct b43legacy_wl *wl = dev->wl;
+ struct b43legacy_rfkill *rfk = &(dev->wl->rfkill);
- if (!wl->rfkill.rfkill)
+ if (!rfk->registered)
return NULL;
- return rfkill_get_led_name(wl->rfkill.rfkill);
+ return rfkill_get_led_name(rfk->rfkill);
}
void b43legacy_rfkill_init(struct b43legacy_wldev *dev)
@@ -116,53 +127,13 @@ void b43legacy_rfkill_init(struct b43legacy_wldev *dev)
struct b43legacy_rfkill *rfk = &(wl->rfkill);
int err;
- if (rfk->rfkill) {
- err = rfkill_register(rfk->rfkill);
- if (err) {
- b43legacywarn(wl, "Failed to register RF-kill button\n");
- goto err_free_rfk;
- }
- }
- if (rfk->poll_dev) {
- err = input_register_polled_device(rfk->poll_dev);
- if (err) {
- b43legacywarn(wl, "Failed to register RF-kill polldev\n");
- goto err_free_polldev;
- }
- }
-
- return;
-err_free_rfk:
- rfkill_free(rfk->rfkill);
- rfk->rfkill = NULL;
-err_free_polldev:
- input_free_polled_device(rfk->poll_dev);
- rfk->poll_dev = NULL;
-}
-
-void b43legacy_rfkill_exit(struct b43legacy_wldev *dev)
-{
- struct b43legacy_rfkill *rfk = &(dev->wl->rfkill);
-
- if (rfk->poll_dev)
- input_unregister_polled_device(rfk->poll_dev);
- if (rfk->rfkill)
- rfkill_unregister(rfk->rfkill);
-}
-
-void b43legacy_rfkill_alloc(struct b43legacy_wldev *dev)
-{
- struct b43legacy_wl *wl = dev->wl;
- struct b43legacy_rfkill *rfk = &(wl->rfkill);
+ rfk->registered = 0;
+ rfk->rfkill = rfkill_allocate(dev->dev->dev, RFKILL_TYPE_WLAN);
+ if (!rfk->rfkill)
+ goto out_error;
snprintf(rfk->name, sizeof(rfk->name),
"b43legacy-%s", wiphy_name(wl->hw->wiphy));
-
- rfk->rfkill = rfkill_allocate(dev->dev->dev, RFKILL_TYPE_WLAN);
- if (!rfk->rfkill) {
- b43legacywarn(wl, "Failed to allocate RF-kill button\n");
- return;
- }
rfk->rfkill->name = rfk->name;
rfk->rfkill->state = RFKILL_STATE_ON;
rfk->rfkill->data = dev;
@@ -170,20 +141,64 @@ void b43legacy_rfkill_alloc(struct b43legacy_wldev *dev)
rfk->rfkill->user_claim_unsupported = 1;
rfk->poll_dev = input_allocate_polled_device();
- if (rfk->poll_dev) {
- rfk->poll_dev->private = dev;
- rfk->poll_dev->poll = b43legacy_rfkill_poll;
- rfk->poll_dev->poll_interval = 1000; /* msecs */
- } else
- b43legacywarn(wl, "Failed to allocate RF-kill polldev\n");
+ if (!rfk->poll_dev)
+ goto err_free_rfk;
+ rfk->poll_dev->private = dev;
+ rfk->poll_dev->poll = b43legacy_rfkill_poll;
+ rfk->poll_dev->poll_interval = 1000; /* msecs */
+
+ rfk->poll_dev->input->name = rfk->name;
+ rfk->poll_dev->input->id.bustype = BUS_HOST;
+ rfk->poll_dev->input->id.vendor = dev->dev->bus->boardinfo.vendor;
+ rfk->poll_dev->input->evbit[0] = BIT(EV_KEY);
+ set_bit(KEY_WLAN, rfk->poll_dev->input->keybit);
+
+ err = rfkill_register(rfk->rfkill);
+ if (err)
+ goto err_free_polldev;
+
+#ifdef CONFIG_RFKILL_INPUT_MODULE
+ /* B43legacy RF-kill isn't useful without the rfkill-input subsystem.
+ * Try to load the module. */
+ err = request_module("rfkill-input");
+ if (err)
+ b43legacywarn(wl, "Failed to load the rfkill-input module."
+ "The built-in radio LED will not work.\n");
+#endif /* CONFIG_RFKILL_INPUT */
+
+ err = input_register_polled_device(rfk->poll_dev);
+ if (err)
+ goto err_unreg_rfk;
+
+ rfk->registered = 1;
+
+ return;
+err_unreg_rfk:
+ rfkill_unregister(rfk->rfkill);
+err_free_polldev:
+ input_free_polled_device(rfk->poll_dev);
+ rfk->poll_dev = NULL;
+err_free_rfk:
+ rfkill_free(rfk->rfkill);
+ rfk->rfkill = NULL;
+out_error:
+ rfk->registered = 0;
+ b43legacywarn(wl, "RF-kill button init failed\n");
}
-void b43legacy_rfkill_free(struct b43legacy_wldev *dev)
+void b43legacy_rfkill_exit(struct b43legacy_wldev *dev)
{
struct b43legacy_rfkill *rfk = &(dev->wl->rfkill);
+ if (!rfk->registered)
+ return;
+ rfk->registered = 0;
+
+ input_unregister_polled_device(rfk->poll_dev);
+ rfkill_unregister(rfk->rfkill);
input_free_polled_device(rfk->poll_dev);
rfk->poll_dev = NULL;
rfkill_free(rfk->rfkill);
rfk->rfkill = NULL;
}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 18:49:39 +0000