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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>
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@ -777,7 +777,7 @@ static irqreturn_t pcie_isr(int irq, void *dev_id)
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intr_loc |= detected;
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if (!intr_loc)
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return IRQ_NONE;
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if (pciehp_writew(ctrl, SLOTSTATUS, detected)) {
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if (detected && pciehp_writew(ctrl, SLOTSTATUS, detected)) {
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err("%s: Cannot write to SLOTSTATUS\n", __func__);
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return IRQ_NONE;
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}
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