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gpio: wcove: Get rid of error prone casting in IRQ handler

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The casting from int to long on 64-bit platform is error prone.
Replace it with proper type of the variable on stack.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Andy Shevchenko 2019-01-29 16:40:50 +02:00 committed by Bartosz Golaszewski
parent 944dcbe84b
commit 2edba74c9d
1 changed files with 3 additions and 3 deletions
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6
drivers/gpio/gpio-wcove.c
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@ -324,7 +324,8 @@ static struct irq_chip wcove_irqchip = {
static irqreturn_t wcove_gpio_irq_handler(int irq, void *data)
{
struct wcove_gpio *wg = (struct wcove_gpio *)data;
unsigned int pending, virq, gpio, mask, offset;
unsigned int virq, gpio, mask, offset;
unsigned long pending;
u8 p[2];
if (regmap_bulk_read(wg->regmap, IRQ_STATUS_BASE, p, 2)) {
@ -339,8 +340,7 @@ static irqreturn_t wcove_gpio_irq_handler(int irq, void *data)
/* Iterate until no interrupt is pending */
while (pending) {
/* One iteration is for all pending bits */
for_each_set_bit(gpio, (const unsigned long *)&pending,
WCOVE_GPIO_NUM) {
for_each_set_bit(gpio, &pending, WCOVE_GPIO_NUM) {
offset = (gpio > GROUP0_NR_IRQS) ? 1 : 0;
mask = (offset == 1) ? BIT(gpio - GROUP0_NR_IRQS) :
BIT(gpio);