[PATCH] gpio: sx150x: Use irq_data_get_irq_chip_data() at appropriate places

[Axel Lin]

Signed-off-by: Axel Lin <axel....@gmail.com>
---
 drivers/gpio/gpio-sx150x.c |   24 ++++++------------------
 1 file changed, 6 insertions(+), 18 deletions(-)

diff --git a/drivers/gpio/gpio-sx150x.c b/drivers/gpio/gpio-sx150x.c
index a4f7353..eb3e215 100644
--- a/drivers/gpio/gpio-sx150x.c
+++ b/drivers/gpio/gpio-sx150x.c
@@ -311,11 +311,9 @@ static int sx150x_gpio_to_irq(struct gpio_chip *gc, 
unsigned offset)
 
 static void sx150x_irq_mask(struct irq_data *d)
 {
-       struct irq_chip *ic = irq_data_get_irq_chip(d);
-       struct sx150x_chip *chip;
+       struct sx150x_chip *chip = irq_data_get_irq_chip_data(d);
        unsigned n;
 
-       chip = container_of(ic, struct sx150x_chip, irq_chip);
        n = d->irq - chip->irq_base;
        chip->irq_masked |= (1 << n);
        chip->irq_update = n;
@@ -323,27 +321,22 @@ static void sx150x_irq_mask(struct irq_data *d)
 
 static void sx150x_irq_unmask(struct irq_data *d)
 {
-       struct irq_chip *ic = irq_data_get_irq_chip(d);
-       struct sx150x_chip *chip;
+       struct sx150x_chip *chip = irq_data_get_irq_chip_data(d);
        unsigned n;
 
-       chip = container_of(ic, struct sx150x_chip, irq_chip);
        n = d->irq - chip->irq_base;
-
        chip->irq_masked &= ~(1 << n);
        chip->irq_update = n;
 }
 
 static int sx150x_irq_set_type(struct irq_data *d, unsigned int flow_type)
 {
-       struct irq_chip *ic = irq_data_get_irq_chip(d);
-       struct sx150x_chip *chip;
+       struct sx150x_chip *chip = irq_data_get_irq_chip_data(d);
        unsigned n, val = 0;
 
        if (flow_type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW))
                return -EINVAL;
 
-       chip = container_of(ic, struct sx150x_chip, irq_chip);
        n = d->irq - chip->irq_base;
 
        if (flow_type & IRQ_TYPE_EDGE_RISING)
@@ -391,22 +384,16 @@ static irqreturn_t sx150x_irq_thread_fn(int irq, void 
*dev_id)
 
 static void sx150x_irq_bus_lock(struct irq_data *d)
 {
-       struct irq_chip *ic = irq_data_get_irq_chip(d);
-       struct sx150x_chip *chip;
-
-       chip = container_of(ic, struct sx150x_chip, irq_chip);
+       struct sx150x_chip *chip = irq_data_get_irq_chip_data(d);
 
        mutex_lock(&chip->lock);
 }
 
 static void sx150x_irq_bus_sync_unlock(struct irq_data *d)
 {
-       struct irq_chip *ic = irq_data_get_irq_chip(d);
-       struct sx150x_chip *chip;
+       struct sx150x_chip *chip = irq_data_get_irq_chip_data(d);
        unsigned n;
 
-       chip = container_of(ic, struct sx150x_chip, irq_chip);
-
        if (chip->irq_update == NO_UPDATE_PENDING)
                goto out;
 
@@ -551,6 +538,7 @@ static int sx150x_install_irq_chip(struct sx150x_chip *chip,
 
        for (n = 0; n < chip->dev_cfg->ngpios; ++n) {
                irq = irq_base + n;
+               irq_set_chip_data(irq, chip);
                irq_set_chip_and_handler(irq, &chip->irq_chip, handle_edge_irq);
                irq_set_nested_thread(irq, 1);
 #ifdef CONFIG_ARM
-- 
1.7.9.5



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