mfd: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc

Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc while we
already have a pointer to corresponding irq_desc.

Do the same change to avoid the pattern "irq_get_chip_data(data->irq)".
Signed-off-by: NJiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

drivers/mfd/ezx-pcap.c

@@ -207,7 +207,7 @@ static void pcap_isr_work(struct work_struct *work)
 
 static void pcap_irq_handler(unsigned int irq, struct irq_desc *desc)
 {
-	struct pcap_chip *pcap = irq_get_handler_data(irq);
+	struct pcap_chip *pcap = irq_desc_get_handler_data(desc);
 
 	desc->irq_data.chip->irq_ack(&desc->irq_data);
 	queue_work(pcap->workqueue, &pcap->isr_work);

drivers/mfd/max8997-irq.c

@@ -113,14 +113,14 @@ static const struct max8997_irq_data max8997_irqs[] = {
 
 static void max8997_irq_lock(struct irq_data *data)
 {
-	struct max8997_dev *max8997 = irq_get_chip_data(data->irq);
+	struct max8997_dev *max8997 = irq_data_get_irq_chip_data(data);
 
 	mutex_lock(&max8997->irqlock);
 }
 
 static void max8997_irq_sync_unlock(struct irq_data *data)
 {
-	struct max8997_dev *max8997 = irq_get_chip_data(data->irq);
+	struct max8997_dev *max8997 = irq_data_get_irq_chip_data(data);
 	int i;
 
 	for (i = 0; i < MAX8997_IRQ_GROUP_NR; i++) {
@@ -148,7 +148,7 @@ irq_to_max8997_irq(struct max8997_dev *max8997, int irq)
 
 static void max8997_irq_mask(struct irq_data *data)
 {
-	struct max8997_dev *max8997 = irq_get_chip_data(data->irq);
+	struct max8997_dev *max8997 = irq_data_get_irq_chip_data(data);
 	const struct max8997_irq_data *irq_data = irq_to_max8997_irq(max8997,
 								data->irq);
 
@@ -157,7 +157,7 @@ static void max8997_irq_mask(struct irq_data *data)
 
 static void max8997_irq_unmask(struct irq_data *data)
 {
-	struct max8997_dev *max8997 = irq_get_chip_data(data->irq);
+	struct max8997_dev *max8997 = irq_data_get_irq_chip_data(data);
 	const struct max8997_irq_data *irq_data = irq_to_max8997_irq(max8997,
 								data->irq);
 

drivers/mfd/mt6397-core.c

@@ -60,14 +60,14 @@ static const struct mfd_cell mt6397_devs[] = {
 
 static void mt6397_irq_lock(struct irq_data *data)
 {
-	struct mt6397_chip *mt6397 = irq_get_chip_data(data->irq);
+	struct mt6397_chip *mt6397 = irq_data_get_irq_chip_data(data);
 
 	mutex_lock(&mt6397->irqlock);
 }
 
 static void mt6397_irq_sync_unlock(struct irq_data *data)
 {
-	struct mt6397_chip *mt6397 = irq_get_chip_data(data->irq);
+	struct mt6397_chip *mt6397 = irq_data_get_irq_chip_data(data);
 
 	regmap_write(mt6397->regmap, MT6397_INT_CON0, mt6397->irq_masks_cur[0]);
 	regmap_write(mt6397->regmap, MT6397_INT_CON1, mt6397->irq_masks_cur[1]);
@@ -77,7 +77,7 @@ static void mt6397_irq_sync_unlock(struct irq_data *data)
 
 static void mt6397_irq_disable(struct irq_data *data)
 {
-	struct mt6397_chip *mt6397 = irq_get_chip_data(data->irq);
+	struct mt6397_chip *mt6397 = irq_data_get_irq_chip_data(data);
 	int shift = data->hwirq & 0xf;
 	int reg = data->hwirq >> 4;
 
@@ -86,7 +86,7 @@ static void mt6397_irq_disable(struct irq_data *data)
 
 static void mt6397_irq_enable(struct irq_data *data)
 {
-	struct mt6397_chip *mt6397 = irq_get_chip_data(data->irq);
+	struct mt6397_chip *mt6397 = irq_data_get_irq_chip_data(data);
 	int shift = data->hwirq & 0xf;
 	int reg = data->hwirq >> 4;
 

drivers/mfd/t7l66xb.c

@@ -187,7 +187,7 @@ static struct mfd_cell t7l66xb_cells[] = {
 /* Handle the T7L66XB interrupt mux */
 static void t7l66xb_irq(unsigned int irq, struct irq_desc *desc)
 {
-	struct t7l66xb *t7l66xb = irq_get_handler_data(irq);
+	struct t7l66xb *t7l66xb = irq_desc_get_handler_data(desc);
 	unsigned int isr;
 	unsigned int i, irq_base;
 

drivers/mfd/tc6393xb.c

@@ -525,7 +525,7 @@ static int tc6393xb_register_gpio(struct tc6393xb *tc6393xb, int gpio_base)
 static void
 tc6393xb_irq(unsigned int irq, struct irq_desc *desc)
 {
-	struct tc6393xb *tc6393xb = irq_get_handler_data(irq);
+	struct tc6393xb *tc6393xb = irq_desc_get_handler_data(desc);
 	unsigned int isr;
 	unsigned int i, irq_base;
 

drivers/mfd/twl6030-irq.c

@@ -231,7 +231,7 @@ static irqreturn_t twl6030_irq_thread(int irq, void *data)
 
 static int twl6030_irq_set_wake(struct irq_data *d, unsigned int on)
 {
-	struct twl6030_irq *pdata = irq_get_chip_data(d->irq);
+	struct twl6030_irq *pdata = irq_data_get_irq_chip_data(d);
 
 	if (on)
 		atomic_inc(&pdata->wakeirqs);