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Commit 82e5fc2a authored by John W. Linville's avatar John W. Linville
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Revert "rt2800pci: handle spurious interrupts" 



This reverts commit 4ba7d999.

The original patch was a misguided attempt to improve performance on
some hardware that is apparently prone to spurious interrupt generation.

Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 6cccccaf

drivers/net/wireless/rt2x00/rt2800pci.c

+1 −6
Original line number Diff line number Diff line
@@ -880,13 +880,8 @@ static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance) 
	rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);

	rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);



	/*

	 * Some devices can generate interrupts with empty CSR register, we

	 * "handle" such irq's to prevent interrupt controller treat them as

	 * spurious interrupts and disable irq line.

	 */

	if (!reg)

		return IRQ_HANDLED;

		return IRQ_NONE;



	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))

		return IRQ_HANDLED;