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MIPS: Use !pci_is_root_bus(bus) in ops-bridge.c

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This is a manual cherrypick of commit c7ddc3d137b7 from Alastair
Bridgewater's IP35 tree that replaces two cases of
"if (bus->number > 0)" with a more correct "if (!pci_is_root_bus(bus))"
in arch/mips/pci/ops-bridge.c.

Cc: linux-mips@linux-mips.org
Cc: Alastair Bridgewater <alastair.bridgewater@gmail.com>
Suggested-by: Alastair Bridgewater <alastair.bridgewater@gmail.com>
Signed-off-by: Joshua Kinard <kumba@gentoo.org>
Patchwork: https://patchwork.linux-mips.org/patch/17501/
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Linux/MIPS <linux-mips@linux-mips.org>
This commit is contained in:
Joshua Kinard 2017-10-17 14:26:12 -04:00 committed by Paul Burton
parent 8c8d953c28
commit 8fd2d6ea66
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GPG Key ID: 3EA79FACB57500DD
1 changed files with 2 additions and 2 deletions
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4
arch/mips/pci/ops-bridge.c
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@ -167,7 +167,7 @@ oh_my_gawd:
static int pci_read_config(struct pci_bus *bus, unsigned int devfn,
int where, int size, u32 * value)
{
if (bus->number > 0)
if (!pci_is_root_bus(bus))
return pci_conf1_read_config(bus, devfn, where, size, value);
return pci_conf0_read_config(bus, devfn, where, size, value);
@ -310,7 +310,7 @@ oh_my_gawd:
static int pci_write_config(struct pci_bus *bus, unsigned int devfn,
int where, int size, u32 value)
{
if (bus->number > 0)
if (!pci_is_root_bus(bus))
return pci_conf1_write_config(bus, devfn, where, size, value);
return pci_conf0_write_config(bus, devfn, where, size, value);