diff options
| author | Leed Aguilar <leed.aguilar@ti.com> | 2012-07-10 19:05:53 +0530 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2012-07-17 21:00:18 +0200 |
| commit | ca3ffe910f9935d24e02bb5628a8cbcab119fd9a (patch) | |
| tree | d1753ea42d143ba28bbf2c4b0424d83104e21c16 /drivers/gpio | |
| parent | 6a7b36aa4b0afbe7a9798feac16de47ad856f358 (diff) | |
| download | linux-ca3ffe910f9935d24e02bb5628a8cbcab119fd9a.tar.bz2 | |
gpio/pca953x: increase variables size to support 24 bit of data
Increase variable size from u16 to u32 to allocate 24 bit of data required for
the TCA6424 I/O expander device type.
Signed-off-by: Leed Aguilar <leed.aguilar@ti.com>
Signed-off-by: Chandrabhanu Mahapatra <cmahapatra@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-pca953x.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index 266b910de43b..9c693ae17956 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -78,10 +78,10 @@ struct pca953x_chip { #ifdef CONFIG_GPIO_PCA953X_IRQ struct mutex irq_lock; - uint16_t irq_mask; - uint16_t irq_stat; - uint16_t irq_trig_raise; - uint16_t irq_trig_fall; + u32 irq_mask; + u32 irq_stat; + u32 irq_trig_raise; + u32 irq_trig_fall; int irq_base; #endif @@ -353,8 +353,8 @@ static void pca953x_irq_bus_lock(struct irq_data *d) static void pca953x_irq_bus_sync_unlock(struct irq_data *d) { struct pca953x_chip *chip = irq_data_get_irq_chip_data(d); - uint16_t new_irqs; - uint16_t level; + u32 new_irqs; + u32 level; /* Look for any newly setup interrupt */ new_irqs = chip->irq_trig_fall | chip->irq_trig_raise; @@ -372,8 +372,8 @@ static void pca953x_irq_bus_sync_unlock(struct irq_data *d) static int pca953x_irq_set_type(struct irq_data *d, unsigned int type) { struct pca953x_chip *chip = irq_data_get_irq_chip_data(d); - uint16_t level = d->irq - chip->irq_base; - uint16_t mask = 1 << level; + u32 level = d->irq - chip->irq_base; + u32 mask = 1 << level; if (!(type & IRQ_TYPE_EDGE_BOTH)) { dev_err(&chip->client->dev, "irq %d: unsupported type %d\n", @@ -403,12 +403,12 @@ static struct irq_chip pca953x_irq_chip = { .irq_set_type = pca953x_irq_set_type, }; -static uint16_t pca953x_irq_pending(struct pca953x_chip *chip) +static u32 pca953x_irq_pending(struct pca953x_chip *chip) { u32 cur_stat; - uint16_t old_stat; - uint16_t pending; - uint16_t trigger; + u32 old_stat; + u32 pending; + u32 trigger; int ret, offset = 0; switch (chip->chip_type) { @@ -444,8 +444,8 @@ static uint16_t pca953x_irq_pending(struct pca953x_chip *chip) static irqreturn_t pca953x_irq_handler(int irq, void *devid) { struct pca953x_chip *chip = devid; - uint16_t pending; - uint16_t level; + u32 pending; + u32 level; pending = pca953x_irq_pending(chip); |