[v1,5/5] gpio: xilinx: No need to disable IRQs in the handler

Message ID 20210408145601.68651-6-andriy.shevchenko@linux.intel.com
State New
Headers show
Series
  • gpio: xilinx: convert to use bitmap API
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Commit Message

Andy Shevchenko April 8, 2021, 2:56 p.m.
In IRQ handler interrupts are already disabled, hence no need
to repeat it. Even in the threaded case, it is not a problem
because IRQ framework keeps interrupt disabled there as well.
Remove disabling IRQ part in the handler.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/gpio/gpio-xilinx.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

Patch

diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
index 98d90b4c4d2b..d5a08dcdd677 100644
--- a/drivers/gpio/gpio-xilinx.c
+++ b/drivers/gpio/gpio-xilinx.c
@@ -503,14 +503,13 @@  static void xgpio_irqhandler(struct irq_desc *desc)
 	DECLARE_BITMAP(all, 64);
 	u32 status;
 	u32 bit;
-	unsigned long flags;
 
 	status = xgpio_readreg(chip->regs + XGPIO_IPISR_OFFSET);
 	xgpio_writereg(chip->regs + XGPIO_IPISR_OFFSET, status);
 
 	chained_irq_enter(irqchip, desc);
 
-	spin_lock_irqsave(&chip->gpio_lock, flags);
+	spin_lock(&chip->gpio_lock);
 
 	xgpio_read_ch_all(chip, XGPIO_DATA_OFFSET, all);
 
@@ -527,7 +526,7 @@  static void xgpio_irqhandler(struct irq_desc *desc)
 	bitmap_copy(chip->last_irq_read, all, 64);
 	bitmap_or(all, rising, falling, 64);
 
-	spin_unlock_irqrestore(&chip->gpio_lock, flags);
+	spin_unlock(&chip->gpio_lock);
 
 	dev_dbg(gc->parent, "IRQ rising %*pb falling %*pb\n", 64, rising, 64, falling);