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authorBjorn Helgaas <bhelgaas@google.com>2013-12-09 22:11:25 (GMT)
committerBjorn Helgaas <bhelgaas@google.com>2013-12-09 22:11:25 (GMT)
commit0b8cfb6aa3aabc96177b1e68ef13d2eb5c686606 (patch)
treef73f50a95fffacf1db6ef809012a9930ef3f938c
parent64989e7399f09b72689e25fb40f2d0d5e073b13a (diff)
downloadlinux-0b8cfb6aa3aabc96177b1e68ef13d2eb5c686606.tar.xz
PCI: designware: Use typical "for" loop idiom
It's conventional to use "for" rather than "while" for simple iteration. No functional change. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
-rw-r--r--drivers/pci/host/pcie-designware.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index 5274085..1c92833 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -214,8 +214,7 @@ static void clear_irq_range(struct pcie_port *pp, unsigned int irq_base,
{
unsigned int i, res, bit, val;
- i = 0;
- while (i < nvec) {
+ for (i = 0; i < nvec; i++) {
irq_set_msi_desc_off(irq_base, i, NULL);
clear_bit(pos + i, pp->msi_irq_in_use);
/* Disable corresponding interrupt on MSI interrupt controller */
@@ -224,7 +223,6 @@ static void clear_irq_range(struct pcie_port *pp, unsigned int irq_base,
dw_pcie_rd_own_conf(pp, PCIE_MSI_INTR0_ENABLE + res, 4, &val);
val &= ~(1 << bit);
dw_pcie_wr_own_conf(pp, PCIE_MSI_INTR0_ENABLE + res, 4, val);
- ++i;
}
}
@@ -268,8 +266,7 @@ static int assign_irq(int no_irqs, struct msi_desc *desc, int *pos)
* descs are also successfully allocated.
*/
- i = 0;
- while (i < no_irqs) {
+ for (i = 0; i < no_irqs; i++) {
if (irq_set_msi_desc_off(irq, i, desc) != 0) {
clear_irq_range(pp, irq, i, pos0);
goto no_valid_irq;
@@ -281,7 +278,6 @@ static int assign_irq(int no_irqs, struct msi_desc *desc, int *pos)
dw_pcie_rd_own_conf(pp, PCIE_MSI_INTR0_ENABLE + res, 4, &val);
val |= 1 << bit;
dw_pcie_wr_own_conf(pp, PCIE_MSI_INTR0_ENABLE + res, 4, val);
- i++;
}
*pos = pos0;