[PATCH V1 2/3] gpio/pca953x: increase variables size to support 24 bit of data
From: Chandrabhanu Mahapatra <hidden>
Date: 2012-07-28 06:10:54
Also in:
lkml
Subsystem:
gpio subsystem, the rest · Maintainers:
Linus Walleij, Bartosz Golaszewski, Linus Torvalds
From: Leed Aguilar <redacted> 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 <redacted> Signed-off-by: Chandrabhanu Mahapatra <redacted> --- drivers/gpio/gpio-pca953x.c | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-)
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index af7024f..c3ca7d8 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
@@ -349,8 +349,8 @@ 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;
@@ -368,8 +368,8 @@ 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",
@@ -399,12 +399,12 @@ 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) {
@@ -440,8 +440,8 @@ 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);
--
1.7.10