gpio: msic: Remove duplicate check in IRQ handler
There is no need to check for non-zero pending since for_each_set_bit() does it
on the first iteration.
While here, drop redundant assignment.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
diff --git a/drivers/gpio/gpio-msic.c b/drivers/gpio/gpio-msic.c
index 3b34dbe..138569f 100644
--- a/drivers/gpio/gpio-msic.c
+++ b/drivers/gpio/gpio-msic.c
@@ -237,20 +237,17 @@
struct msic_gpio *mg = irq_data_get_irq_handler_data(data);
struct irq_chip *chip = irq_data_get_irq_chip(data);
struct intel_msic *msic = pdev_to_intel_msic(mg->pdev);
+ unsigned long pending;
int i;
int bitnr;
u8 pin;
- unsigned long pending = 0;
for (i = 0; i < (mg->chip.ngpio / BITS_PER_BYTE); i++) {
intel_msic_irq_read(msic, INTEL_MSIC_GPIO0LVIRQ + i, &pin);
pending = pin;
- if (pending) {
- for_each_set_bit(bitnr, &pending, BITS_PER_BYTE)
- generic_handle_irq(mg->irq_base +
- (i * BITS_PER_BYTE) + bitnr);
- }
+ for_each_set_bit(bitnr, &pending, BITS_PER_BYTE)
+ generic_handle_irq(mg->irq_base + i * BITS_PER_BYTE + bitnr);
}
chip->irq_eoi(data);
}