[PATCH v2 08/11] gpio: pca953x: Remove redundant variable and check in IRQ handler

[Andy Shevchenko]

We always will have at least one iteration of the loop due to
pending being guaranteed to be non-zero. That is, we may remove
extra variable and check in the IRQ handler.

Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
---
 drivers/gpio/gpio-pca953x.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 10b669b8f27d..5eee66269a0c 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -740,7 +740,6 @@ static irqreturn_t pca953x_irq_handler(int irq, void *devid)
        struct pca953x_chip *chip = devid;
        u8 pending[MAX_BANK];
        u8 level;
-       unsigned nhandled = 0;
        int i;
 
        if (!pca953x_irq_pending(chip, pending))
@@ -752,11 +751,10 @@ static irqreturn_t pca953x_irq_handler(int irq, void 
*devid)
                        
handle_nested_irq(irq_find_mapping(chip->gpio_chip.irq.domain,
                                                        level + (BANK_SZ * i)));
                        pending[i] &= ~(1 << level);
-                       nhandled++;
                }
        }
 
-       return (nhandled > 0) ? IRQ_HANDLED : IRQ_NONE;
+       return IRQ_HANDLED;
 }
 
 static int pca953x_irq_setup(struct pca953x_chip *chip,
-- 
2.23.0