rt2x00: convert tasklets to use new tasklet_setup() API

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.
Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Allen Pais <allen.lkml@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200817090637.26887-15-allen.cryptic@gmail.com

drivers/net/wireless/ralink/rt2x00/rt2400pci.c

@@ -1319,9 +1319,10 @@ static inline void rt2400pci_enable_interrupt(struct rt2x00_dev *rt2x00dev,
 	spin_unlock_irq(&rt2x00dev->irqmask_lock);
 }
 
-static void rt2400pci_txstatus_tasklet(unsigned long data)
+static void rt2400pci_txstatus_tasklet(struct tasklet_struct *t)
 {
-	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t,
+						    txstatus_tasklet);
 	u32 reg;
 
 	/*
@@ -1347,17 +1348,18 @@ static void rt2400pci_txstatus_tasklet(unsigned long data)
 	}
 }
 
-static void rt2400pci_tbtt_tasklet(unsigned long data)
+static void rt2400pci_tbtt_tasklet(struct tasklet_struct *t)
 {
-	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t, tbtt_tasklet);
 	rt2x00lib_beacondone(rt2x00dev);
 	if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		rt2400pci_enable_interrupt(rt2x00dev, CSR8_TBCN_EXPIRE);
 }
 
-static void rt2400pci_rxdone_tasklet(unsigned long data)
+static void rt2400pci_rxdone_tasklet(struct tasklet_struct *t)
 {
-	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t,
+						    rxdone_tasklet);
 	if (rt2x00mmio_rxdone(rt2x00dev))
 		tasklet_schedule(&rt2x00dev->rxdone_tasklet);
 	else if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))

drivers/net/wireless/ralink/rt2x00/rt2500pci.c

@@ -1447,9 +1447,10 @@ static inline void rt2500pci_enable_interrupt(struct rt2x00_dev *rt2x00dev,
 	spin_unlock_irq(&rt2x00dev->irqmask_lock);
 }
 
-static void rt2500pci_txstatus_tasklet(unsigned long data)
+static void rt2500pci_txstatus_tasklet(struct tasklet_struct *t)
 {
-	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t,
+						    txstatus_tasklet);
 	u32 reg;
 
 	/*
@@ -1475,17 +1476,18 @@ static void rt2500pci_txstatus_tasklet(unsigned long data)
 	}
 }
 
-static void rt2500pci_tbtt_tasklet(unsigned long data)
+static void rt2500pci_tbtt_tasklet(struct tasklet_struct *t)
 {
-	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t, tbtt_tasklet);
 	rt2x00lib_beacondone(rt2x00dev);
 	if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		rt2500pci_enable_interrupt(rt2x00dev, CSR8_TBCN_EXPIRE);
 }
 
-static void rt2500pci_rxdone_tasklet(unsigned long data)
+static void rt2500pci_rxdone_tasklet(struct tasklet_struct *t)
 {
-	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t,
+						    rxdone_tasklet);
 	if (rt2x00mmio_rxdone(rt2x00dev))
 		tasklet_schedule(&rt2x00dev->rxdone_tasklet);
 	else if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))

drivers/net/wireless/ralink/rt2x00/rt2800mmio.c

@@ -210,18 +210,19 @@ static inline void rt2800mmio_enable_interrupt(struct rt2x00_dev *rt2x00dev,
 	spin_unlock_irq(&rt2x00dev->irqmask_lock);
 }
 
-void rt2800mmio_pretbtt_tasklet(unsigned long data)
+void rt2800mmio_pretbtt_tasklet(struct tasklet_struct *t)
 {
-	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t,
+						    pretbtt_tasklet);
 	rt2x00lib_pretbtt(rt2x00dev);
 	if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		rt2800mmio_enable_interrupt(rt2x00dev, INT_MASK_CSR_PRE_TBTT);
 }
 EXPORT_SYMBOL_GPL(rt2800mmio_pretbtt_tasklet);
 
-void rt2800mmio_tbtt_tasklet(unsigned long data)
+void rt2800mmio_tbtt_tasklet(struct tasklet_struct *t)
 {
-	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t, tbtt_tasklet);
 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
 	u32 reg;
 
@@ -254,9 +255,10 @@ void rt2800mmio_tbtt_tasklet(unsigned long data)
 }
 EXPORT_SYMBOL_GPL(rt2800mmio_tbtt_tasklet);
 
-void rt2800mmio_rxdone_tasklet(unsigned long data)
+void rt2800mmio_rxdone_tasklet(struct tasklet_struct *t)
 {
-	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t,
+						    rxdone_tasklet);
 	if (rt2x00mmio_rxdone(rt2x00dev))
 		tasklet_schedule(&rt2x00dev->rxdone_tasklet);
 	else if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
@@ -264,9 +266,10 @@ void rt2800mmio_rxdone_tasklet(unsigned long data)
 }
 EXPORT_SYMBOL_GPL(rt2800mmio_rxdone_tasklet);
 
-void rt2800mmio_autowake_tasklet(unsigned long data)
+void rt2800mmio_autowake_tasklet(struct tasklet_struct *t)
 {
-	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t,
+						    autowake_tasklet);
 	rt2800mmio_wakeup(rt2x00dev);
 	if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		rt2800mmio_enable_interrupt(rt2x00dev,
@@ -307,9 +310,10 @@ static void rt2800mmio_fetch_txstatus(struct rt2x00_dev *rt2x00dev)
 	spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags);
 }
 
-void rt2800mmio_txstatus_tasklet(unsigned long data)
+void rt2800mmio_txstatus_tasklet(struct tasklet_struct *t)
 {
-	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t,
+						    txstatus_tasklet);
 
 	rt2800_txdone(rt2x00dev, 16);
 

drivers/net/wireless/ralink/rt2x00/rt2800mmio.h

@@ -126,11 +126,11 @@ void rt2800mmio_fill_rxdone(struct queue_entry *entry,
 			    struct rxdone_entry_desc *rxdesc);
 
 /* Interrupt functions */
-void rt2800mmio_txstatus_tasklet(unsigned long data);
-void rt2800mmio_pretbtt_tasklet(unsigned long data);
-void rt2800mmio_tbtt_tasklet(unsigned long data);
-void rt2800mmio_rxdone_tasklet(unsigned long data);
-void rt2800mmio_autowake_tasklet(unsigned long data);
+void rt2800mmio_txstatus_tasklet(struct tasklet_struct *t);
+void rt2800mmio_pretbtt_tasklet(struct tasklet_struct *t);
+void rt2800mmio_tbtt_tasklet(struct tasklet_struct *t);
+void rt2800mmio_rxdone_tasklet(struct tasklet_struct *t);
+void rt2800mmio_autowake_tasklet(struct tasklet_struct *t);
 irqreturn_t rt2800mmio_interrupt(int irq, void *dev_instance);
 void rt2800mmio_toggle_irq(struct rt2x00_dev *rt2x00dev,
 			   enum dev_state state);

drivers/net/wireless/ralink/rt2x00/rt2x00.h

@@ -518,11 +518,11 @@ struct rt2x00lib_ops {
 	/*
 	 * TX status tasklet handler.
 	 */
-	void (*txstatus_tasklet) (unsigned long data);
-	void (*pretbtt_tasklet) (unsigned long data);
-	void (*tbtt_tasklet) (unsigned long data);
-	void (*rxdone_tasklet) (unsigned long data);
-	void (*autowake_tasklet) (unsigned long data);
+	void (*txstatus_tasklet) (struct tasklet_struct *t);
+	void (*pretbtt_tasklet) (struct tasklet_struct *t);
+	void (*tbtt_tasklet) (struct tasklet_struct *t);
+	void (*rxdone_tasklet) (struct tasklet_struct *t);
+	void (*autowake_tasklet) (struct tasklet_struct *t);
 
 	/*
 	 * Device init handlers.

drivers/net/wireless/ralink/rt2x00/rt2x00dev.c

@@ -1167,9 +1167,8 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
 	 */
 #define RT2X00_TASKLET_INIT(taskletname) \
 	if (rt2x00dev->ops->lib->taskletname) { \
-		tasklet_init(&rt2x00dev->taskletname, \
-			     rt2x00dev->ops->lib->taskletname, \
-			     (unsigned long)rt2x00dev); \
+		tasklet_setup(&rt2x00dev->taskletname, \
+			     rt2x00dev->ops->lib->taskletname); \
 	}
 
 	RT2X00_TASKLET_INIT(txstatus_tasklet);

drivers/net/wireless/ralink/rt2x00/rt61pci.c

@@ -2190,34 +2190,38 @@ static void rt61pci_enable_mcu_interrupt(struct rt2x00_dev *rt2x00dev,
 	spin_unlock_irq(&rt2x00dev->irqmask_lock);
 }
 
-static void rt61pci_txstatus_tasklet(unsigned long data)
+static void rt61pci_txstatus_tasklet(struct tasklet_struct *t)
 {
-	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t,
+						    txstatus_tasklet);
+
 	rt61pci_txdone(rt2x00dev);
 	if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		rt61pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_TXDONE);
 }
 
-static void rt61pci_tbtt_tasklet(unsigned long data)
+static void rt61pci_tbtt_tasklet(struct tasklet_struct *t)
 {
-	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t, tbtt_tasklet);
 	rt2x00lib_beacondone(rt2x00dev);
 	if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		rt61pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_BEACON_DONE);
 }
 
-static void rt61pci_rxdone_tasklet(unsigned long data)
+static void rt61pci_rxdone_tasklet(struct tasklet_struct *t)
 {
-	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t,
+						    rxdone_tasklet);
 	if (rt2x00mmio_rxdone(rt2x00dev))
 		tasklet_schedule(&rt2x00dev->rxdone_tasklet);
 	else if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		rt61pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_RXDONE);
 }
 
-static void rt61pci_autowake_tasklet(unsigned long data)
+static void rt61pci_autowake_tasklet(struct tasklet_struct *t)
 {
-	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	struct rt2x00_dev *rt2x00dev = from_tasklet(rt2x00dev, t,
+						    autowake_tasklet);
 	rt61pci_wakeup(rt2x00dev);
 	rt2x00mmio_register_write(rt2x00dev,
 				  M2H_CMD_DONE_CSR, 0xffffffff);