diff options
| author |   Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> | 2014-05-25 22:50:06 +0400 |
|---|---|---|
| committer |   Grant Likely <grant.likely@linaro.org> | 2014-05-27 12:13:34 +0100 |
| commit | 08cf78ed41feaa21017487bad0a5a405c6cede43 (patch) | |
| tree | 14a8a16ec61dc5f604c3b8abfc87aa58afe76a5d /drivers/of/of_pci_irq.c | |
| parent | of/irq: do irq resolution in platform_get_irq_byname() (diff) | |
| download | linux-dev-08cf78ed41feaa21017487bad0a5a405c6cede43.tar.xz linux-dev-08cf78ed41feaa21017487bad0a5a405c6cede43.zip | |
of_pci_irq: kill useless variable in of_irq_parse_pci()
The 'lspec' variable only caused pointless promotions from u8 to u32 on each
loop iteration, while it's enough to promote only once, after the loop.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
Diffstat (limited to 'drivers/of/of_pci_irq.c')
| -rw-r--r-- | drivers/of/of_pci_irq.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/of/of_pci_irq.c b/drivers/of/of_pci_irq.c index 7e4e21438e28..1710d9dc7fc2 100644 --- a/drivers/of/of_pci_irq.c +++ b/drivers/of/of_pci_irq.c @@ -18,7 +18,6 @@ int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq { struct device_node *dn, *ppnode; struct pci_dev *ppdev; - u32 lspec; __be32 laddr[3]; u8 pin; int rc; @@ -45,7 +44,6 @@ int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq return -ENODEV; /* Now we walk up the PCI tree */ - lspec = pin; for (;;) { /* Get the pci_dev of our parent */ ppdev = pdev->bus->self; @@ -79,13 +77,13 @@ int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq /* We can only get here if we hit a P2P bridge with no node, * let's do standard swizzling and try again */ - lspec = pci_swizzle_interrupt_pin(pdev, lspec); + pin = pci_swizzle_interrupt_pin(pdev, pin); pdev = ppdev; } out_irq->np = ppnode; out_irq->args_count = 1; - out_irq->args[0] = lspec; + out_irq->args[0] = pin; laddr[0] = cpu_to_be32((pdev->bus->number << 16) | (pdev->devfn << 8)); laddr[1] = laddr[2] = cpu_to_be32(0); return of_irq_parse_raw(laddr, out_irq); |