[PATCH] ath9k: Add separate entry for LED triggers to fix module builds

From: Krzysztof Kozlowski
Date: Sun Dec 27 2020 - 09:32:51 EST

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After commit 72cdab808714 ("ath9k: Do not select MAC80211_LEDS by
default") a configuration like:
- MAC80211_LEDS=y
- LEDS_CLASS=m
- NEW_LEDS=y
- ATH9K=y
leads to a build failure:

/usr/bin/ld: drivers/net/wireless/ath/ath9k/gpio.o: in function `ath_deinit_leds':
drivers/net/wireless/ath/ath9k/gpio.c:69: undefined reference to `led_classdev_unregister'
/usr/bin/ld: drivers/net/wireless/ath/ath9k/gpio.o: in function `led_classdev_register':
include/linux/leds.h:190: undefined reference to `led_classdev_register_ext'

To be able to use LED triggers, the LEDS_CLASS can only be a module
if ath9k driver is a module as well.

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Fixes: 72cdab808714 ("ath9k: Do not select MAC80211_LEDS by default")
Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/Kconfig | 18 ++++++++++++------
drivers/net/wireless/ath/ath9k/ath9k.h | 4 ++--
drivers/net/wireless/ath/ath9k/gpio.c | 2 +-
drivers/net/wireless/ath/ath9k/htc.h | 6 +++---
drivers/net/wireless/ath/ath9k/htc_drv_gpio.c | 2 +-
drivers/net/wireless/ath/ath9k/htc_drv_init.c | 4 ++--
drivers/net/wireless/ath/ath9k/htc_drv_main.c | 2 +-
drivers/net/wireless/ath/ath9k/init.c | 4 ++--
8 files changed, 24 insertions(+), 18 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig
index a84bb9b6573f..6193dd4d85f0 100644
--- a/drivers/net/wireless/ath/ath9k/Kconfig
+++ b/drivers/net/wireless/ath/ath9k/Kconfig
@@ -23,9 +23,6 @@ config ATH9K
depends on MAC80211 && HAS_DMA
select ATH9K_HW
select ATH9K_COMMON
- imply NEW_LEDS
- imply LEDS_CLASS
- imply MAC80211_LEDS
help
This module adds support for wireless adapters based on
Atheros IEEE 802.11n AR5008, AR9001 and AR9002 family
@@ -38,6 +35,18 @@ config ATH9K

If you choose to build a module, it'll be called ath9k.

+config ATH9K_LEDS
+ bool "Atheros ath9k LED triggers"
+ default y
+ depends on ATH9K || ATH9K_HTC
+ depends on NEW_LEDS
+ select LEDS_CLASS
+ select MAC80211_LEDS
+ help
+ This option enables a few LED triggers for different
+ packet receive/transmit events on Atheros family
+ of wireless cards (PCI and HTC).
+
config ATH9K_PCI
bool "Atheros ath9k PCI/PCIe bus support"
default y
@@ -178,9 +187,6 @@ config ATH9K_HTC
depends on USB && MAC80211
select ATH9K_HW
select ATH9K_COMMON
- imply NEW_LEDS
- imply LEDS_CLASS
- imply MAC80211_LEDS
help
Support for Atheros HTC based cards.
Chipsets supported: AR9271
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 13b4f5f50f8a..045118dc2a84 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -839,7 +839,7 @@ static inline int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size)
#define ATH_LED_PIN_9485 6
#define ATH_LED_PIN_9462 4

-#ifdef CONFIG_MAC80211_LEDS
+#ifdef CONFIG_ATH9K_LEDS
void ath_init_leds(struct ath_softc *sc);
void ath_deinit_leds(struct ath_softc *sc);
#else
@@ -1030,7 +1030,7 @@ struct ath_softc {
struct ath_chanctx *cur_chan;
spinlock_t chan_lock;

-#ifdef CONFIG_MAC80211_LEDS
+#ifdef CONFIG_ATH9K_LEDS
bool led_registered;
char led_name[32];
struct led_classdev led_cdev;
diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
index b457e52dd365..aeaa7752049d 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -20,7 +20,7 @@
/* LED functions */
/********************************/

-#ifdef CONFIG_MAC80211_LEDS
+#ifdef CONFIG_ATH9K_LEDS

static void ath_fill_led_pin(struct ath_softc *sc)
{
diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index 0a1634238e67..d3a25c8bfcb5 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -44,7 +44,7 @@

extern struct ieee80211_ops ath9k_htc_ops;
extern int htc_modparam_nohwcrypt;
-#ifdef CONFIG_MAC80211_LEDS
+#ifdef CONFIG_ATH9K_LEDS
extern int ath9k_htc_led_blink;
#endif

@@ -510,7 +510,7 @@ struct ath9k_htc_priv {
bool ps_enabled;
bool ps_idle;

-#ifdef CONFIG_MAC80211_LEDS
+#ifdef CONFIG_ATH9K_LEDS
enum led_brightness brightness;
bool led_registered;
char led_name[32];
@@ -604,7 +604,7 @@ void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);

struct base_eep_header *ath9k_htc_get_eeprom_base(struct ath9k_htc_priv *priv);

-#ifdef CONFIG_MAC80211_LEDS
+#ifdef CONFIG_ATH9K_LEDS
void ath9k_configure_leds(struct ath9k_htc_priv *priv);
void ath9k_init_leds(struct ath9k_htc_priv *priv);
void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
index ecb848b60725..ffb8b656d257 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
@@ -222,7 +222,7 @@ void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product)
/* LED */
/*******/

-#ifdef CONFIG_MAC80211_LEDS
+#ifdef CONFIG_ATH9K_LEDS
void ath9k_led_work(struct work_struct *work)
{
struct ath9k_htc_priv *priv = container_of(work,
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index db0c6fa9c9dc..0195983ce79a 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -42,7 +42,7 @@ int htc_use_dev_fw = 0;
module_param_named(use_dev_fw, htc_use_dev_fw, int, 0444);
MODULE_PARM_DESC(use_dev_fw, "Use development FW version");

-#ifdef CONFIG_MAC80211_LEDS
+#ifdef CONFIG_ATH9K_LEDS
int ath9k_htc_led_blink = 1;
module_param_named(blink, ath9k_htc_led_blink, int, 0444);
MODULE_PARM_DESC(blink, "Enable LED blink on activity");
@@ -867,7 +867,7 @@ static int ath9k_init_device(struct ath9k_htc_priv *priv,
goto err_rx;

ath9k_hw_disable(priv->ah);
-#ifdef CONFIG_MAC80211_LEDS
+#ifdef CONFIG_ATH9K_LEDS
/* must be initialized before ieee80211_register_hw */
priv->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(priv->hw,
IEEE80211_TPT_LEDTRIG_FL_RADIO, ath9k_htc_tpt_blink,
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 2b7832b1c800..aedf325a0320 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -1007,7 +1007,7 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw)
cancel_work_sync(&priv->fatal_work);
cancel_work_sync(&priv->ps_work);

-#ifdef CONFIG_MAC80211_LEDS
+#ifdef CONFIG_ATH9K_LEDS
cancel_work_sync(&priv->led_work);
#endif
ath9k_htc_stop_ani(priv);
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 42a208787f5a..82923d436d80 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -82,7 +82,7 @@ MODULE_PARM_DESC(use_msi, "Use MSI instead of INTx if possible");

bool is_ath9k_unloaded;

-#ifdef CONFIG_MAC80211_LEDS
+#ifdef CONFIG_ATH9K_LEDS
static const struct ieee80211_tpt_blink ath9k_tpt_blink[] = {
{ .throughput = 0 * 1024, .blink_time = 334 },
{ .throughput = 1 * 1024, .blink_time = 260 },
@@ -1035,7 +1035,7 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc,

ath9k_init_txpower_limits(sc);

-#ifdef CONFIG_MAC80211_LEDS
+#ifdef CONFIG_ATH9K_LEDS
/* must be initialized before ieee80211_register_hw */
sc->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(sc->hw,
IEEE80211_TPT_LEDTRIG_FL_RADIO, ath9k_tpt_blink,
--
2.25.1

Next message: Kenny Levinsen: "[PATCH] Input: evdev - use call_rcu when detaching client"
Previous message: Jon Mason: "[GIT PULL] NTB bug fixes for v5.11"
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