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pciehp: removes redundant NULL write to slot status register 

Cleanup to remove a redundant NULL write to SLOTSTATUS.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Kenji Kaneshige 2008-06-02 09:22:34 -07:00 committed by Jesse Barnes
parent d8b23e8ffb
commit 6a3f084971
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/hotplug/pciehp_hpc.c
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@ -777,7 +777,7 @@ static irqreturn_t pcie_isr(int irq, void *dev_id)
intr_loc |= detected;
if (!intr_loc)
return IRQ_NONE;
if (pciehp_writew(ctrl, SLOTSTATUS, detected)) {
if (detected && pciehp_writew(ctrl, SLOTSTATUS, detected)) {
err("%s: Cannot write to SLOTSTATUS\n", __func__);
return IRQ_NONE;
}