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PCI: rcar: Do not shadow the 'irq' variable

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The sparse tool rightfully detects:
drivers/pci/controller/pcie-rcar.c:741:30: warning: symbol 'irq' shadows an earlier one

Fix it now to avoid future surprises and for good coding style.

No functional change intended.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
[lorenzo.pieralisi@arm.com: commit log refactoring]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Wolfram Sang 2019-03-17 10:34:45 +01:00 committed by Lorenzo Pieralisi
parent f0d14edd2b
commit a27beb5820
1 changed files with 4 additions and 4 deletions
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8
drivers/pci/controller/pcie-rcar.c
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@ -738,15 +738,15 @@ static irqreturn_t rcar_pcie_msi_irq(int irq, void *data)
while (reg) {
unsigned int index = find_first_bit(&reg, 32);
unsigned int irq;
unsigned int msi_irq;
/* clear the interrupt */
rcar_pci_write_reg(pcie, 1 << index, PCIEMSIFR);
irq = irq_find_mapping(msi->domain, index);
if (irq) {
msi_irq = irq_find_mapping(msi->domain, index);
if (msi_irq) {
if (test_bit(index, msi->used))
generic_handle_irq(irq);
generic_handle_irq(msi_irq);
else
dev_info(dev, "unhandled MSI\n");
} else {