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| author | John W. Linville <linville@tuxdriver.com> | 2011-11-23 01:38:19 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-11-23 01:38:19 +0400 |
| commit | 82e5fc2a34fa9ffea38f00c4066b7e600a0ca5e6 (patch) | |
| tree | 0ba7ea091c9afbd13ed129ad578f0194541bd4c0 | |
| parent | 6cccccafe9e8b88adb1800940ded6ad76c587e1b (diff) | |
| download | linux-82e5fc2a34fa9ffea38f00c4066b7e600a0ca5e6.tar.xz | |
Revert "rt2800pci: handle spurious interrupts"
This reverts commit 4ba7d9997869d25bd223dea7536fc1ce9fab3b3b.
The original patch was a misguided attempt to improve performance on
some hardware that is apparently prone to spurious interrupt generation.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800pci.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 4dc2d0f840d4..da48c8ac27bd 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -880,13 +880,8 @@ static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance) rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, ®); 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; |