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Subject[patch V2 34/36] net: rtlwifi: Remove void* casts related to delayed work
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

INIT_DELAYED_WORK() takes two arguments: A pointer to the delayed work and
a function reference for the callback.

The rtl code casts all function references to (void *) because the
callbacks in use are not matching the required function signature. That's
error prone and bad pratice.

Some of the callback functions are also global, but only used in a single
file.

Clean the mess up by:

- Adding the proper arguments to the callback functions and using them in
the container_of() constructs correctly which removes the hideous
container_of_dwork_rtl() macro as well.

- Removing the type cast at the initializers

- Making the unnecessary global functions static

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
---
drivers/net/wireless/realtek/rtlwifi/base.c | 39 +++++++++++++---------------
drivers/net/wireless/realtek/rtlwifi/base.h | 3 --
drivers/net/wireless/realtek/rtlwifi/ps.c | 19 ++++++-------
drivers/net/wireless/realtek/rtlwifi/ps.h | 6 ++--
drivers/net/wireless/realtek/rtlwifi/wifi.h | 3 --
5 files changed, 31 insertions(+), 39 deletions(-)

--- a/drivers/net/wireless/realtek/rtlwifi/base.c
+++ b/drivers/net/wireless/realtek/rtlwifi/base.c
@@ -436,6 +436,10 @@ static void _rtl_init_mac80211(struct ie
}
}

+static void rtl_watchdog_wq_callback(struct work_struct *work);
+static void rtl_fwevt_wq_callback(struct work_struct *work);
+static void rtl_c2hcmd_wq_callback(struct work_struct *work);
+
static void _rtl_init_deferred_work(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
@@ -454,17 +458,14 @@ static void _rtl_init_deferred_work(stru
}

INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
- (void *)rtl_watchdog_wq_callback);
+ rtl_watchdog_wq_callback);
INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
- (void *)rtl_ips_nic_off_wq_callback);
- INIT_DELAYED_WORK(&rtlpriv->works.ps_work,
- (void *)rtl_swlps_wq_callback);
+ rtl_ips_nic_off_wq_callback);
+ INIT_DELAYED_WORK(&rtlpriv->works.ps_work, rtl_swlps_wq_callback);
INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq,
- (void *)rtl_swlps_rfon_wq_callback);
- INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq,
- (void *)rtl_fwevt_wq_callback);
- INIT_DELAYED_WORK(&rtlpriv->works.c2hcmd_wq,
- (void *)rtl_c2hcmd_wq_callback);
+ rtl_swlps_rfon_wq_callback);
+ INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq, rtl_fwevt_wq_callback);
+ INIT_DELAYED_WORK(&rtlpriv->works.c2hcmd_wq, rtl_c2hcmd_wq_callback);
}

void rtl_deinit_deferred_work(struct ieee80211_hw *hw, bool ips_wq)
@@ -2042,11 +2043,10 @@ void rtl_collect_scan_list(struct ieee80
}
EXPORT_SYMBOL(rtl_collect_scan_list);

-void rtl_watchdog_wq_callback(void *data)
+static void rtl_watchdog_wq_callback(struct work_struct *work)
{
- struct rtl_works *rtlworks = container_of_dwork_rtl(data,
- struct rtl_works,
- watchdog_wq);
+ struct rtl_works *rtlworks = container_of(work, struct rtl_works,
+ watchdog_wq.work);
struct ieee80211_hw *hw = rtlworks->hw;
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
@@ -2239,10 +2239,10 @@ void rtl_watch_dog_timer_callback(struct
jiffies + MSECS(RTL_WATCH_DOG_TIME));
}

-void rtl_fwevt_wq_callback(void *data)
+static void rtl_fwevt_wq_callback(struct work_struct *work)
{
- struct rtl_works *rtlworks =
- container_of_dwork_rtl(data, struct rtl_works, fwevt_wq);
+ struct rtl_works *rtlworks = container_of(work, struct rtl_works,
+ fwevt_wq.work);
struct ieee80211_hw *hw = rtlworks->hw;
struct rtl_priv *rtlpriv = rtl_priv(hw);

@@ -2368,11 +2368,10 @@ void rtl_c2hcmd_launcher(struct ieee8021
}
}

-void rtl_c2hcmd_wq_callback(void *data)
+static void rtl_c2hcmd_wq_callback(struct work_struct *work)
{
- struct rtl_works *rtlworks = container_of_dwork_rtl(data,
- struct rtl_works,
- c2hcmd_wq);
+ struct rtl_works *rtlworks = container_of(work, struct rtl_works,
+ c2hcmd_wq.work);
struct ieee80211_hw *hw = rtlworks->hw;

rtl_c2hcmd_launcher(hw, 1);
--- a/drivers/net/wireless/realtek/rtlwifi/base.h
+++ b/drivers/net/wireless/realtek/rtlwifi/base.h
@@ -108,9 +108,6 @@ int rtl_rx_agg_start(struct ieee80211_hw
int rtl_rx_agg_stop(struct ieee80211_hw *hw,
struct ieee80211_sta *sta, u16 tid);
void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv);
-void rtl_watchdog_wq_callback(void *data);
-void rtl_fwevt_wq_callback(void *data);
-void rtl_c2hcmd_wq_callback(void *data);
void rtl_c2hcmd_launcher(struct ieee80211_hw *hw, int exec);
void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, struct sk_buff *skb);

--- a/drivers/net/wireless/realtek/rtlwifi/ps.c
+++ b/drivers/net/wireless/realtek/rtlwifi/ps.c
@@ -179,10 +179,10 @@ static void _rtl_ps_inactive_ps(struct i
ppsc->swrf_processing = false;
}

-void rtl_ips_nic_off_wq_callback(void *data)
+void rtl_ips_nic_off_wq_callback(struct work_struct *work)
{
- struct rtl_works *rtlworks =
- container_of_dwork_rtl(data, struct rtl_works, ips_nic_off_wq);
+ struct rtl_works *rtlworks = container_of(work, struct rtl_works,
+ ips_nic_off_wq.work);
struct ieee80211_hw *hw = rtlworks->hw;
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
@@ -562,10 +562,10 @@ void rtl_swlps_rf_awake(struct ieee80211
mutex_unlock(&rtlpriv->locks.lps_mutex);
}

-void rtl_swlps_rfon_wq_callback(void *data)
+void rtl_swlps_rfon_wq_callback(struct work_struct *work)
{
- struct rtl_works *rtlworks =
- container_of_dwork_rtl(data, struct rtl_works, ps_rfon_wq);
+ struct rtl_works *rtlworks = container_of(work, struct rtl_works,
+ ps_rfon_wq.work);
struct ieee80211_hw *hw = rtlworks->hw;

rtl_swlps_rf_awake(hw);
@@ -675,11 +675,10 @@ void rtl_lps_leave(struct ieee80211_hw *
}
EXPORT_SYMBOL_GPL(rtl_lps_leave);

-void rtl_swlps_wq_callback(void *data)
+void rtl_swlps_wq_callback(struct work_struct *work)
{
- struct rtl_works *rtlworks = container_of_dwork_rtl(data,
- struct rtl_works,
- ps_work);
+ struct rtl_works *rtlworks = container_of(work, struct rtl_works,
+ ps_work.work);
struct ieee80211_hw *hw = rtlworks->hw;
struct rtl_priv *rtlpriv = rtl_priv(hw);
bool ps = false;
--- a/drivers/net/wireless/realtek/rtlwifi/ps.h
+++ b/drivers/net/wireless/realtek/rtlwifi/ps.h
@@ -10,15 +10,15 @@ bool rtl_ps_enable_nic(struct ieee80211_
bool rtl_ps_disable_nic(struct ieee80211_hw *hw);
void rtl_ips_nic_off(struct ieee80211_hw *hw);
void rtl_ips_nic_on(struct ieee80211_hw *hw);
-void rtl_ips_nic_off_wq_callback(void *data);
+void rtl_ips_nic_off_wq_callback(struct work_struct *work);
void rtl_lps_enter(struct ieee80211_hw *hw);
void rtl_lps_leave(struct ieee80211_hw *hw);

void rtl_lps_set_psmode(struct ieee80211_hw *hw, u8 rt_psmode);

void rtl_swlps_beacon(struct ieee80211_hw *hw, void *data, unsigned int len);
-void rtl_swlps_wq_callback(void *data);
-void rtl_swlps_rfon_wq_callback(void *data);
+void rtl_swlps_wq_callback(struct work_struct *work);
+void rtl_swlps_rfon_wq_callback(struct work_struct *work);
void rtl_swlps_rf_awake(struct ieee80211_hw *hw);
void rtl_swlps_rf_sleep(struct ieee80211_hw *hw);
void rtl_p2p_ps_cmd(struct ieee80211_hw *hw , u8 p2p_ps_state);
--- a/drivers/net/wireless/realtek/rtlwifi/wifi.h
+++ b/drivers/net/wireless/realtek/rtlwifi/wifi.h
@@ -2936,9 +2936,6 @@ enum bt_radio_shared {
#define RT_SET_PS_LEVEL(ppsc, _ps_flg) \
(ppsc->cur_ps_level |= _ps_flg)

-#define container_of_dwork_rtl(x, y, z) \
- container_of(to_delayed_work(x), y, z)
-
#define FILL_OCTET_STRING(_os, _octet, _len) \
(_os).octet = (u8 *)(_octet); \
(_os).length = (_len);

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