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| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2009-11-13 17:34:08 -0700 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-11-24 15:29:11 -0800 |
| commit | df5eb1d67e8074dfbc23cf396c556116728187b3 (patch) | |
| tree | 1512457b52c6763ee9921094f62690d0a3b8b1e3 /arch/x86/pci/mmconfig_32.c | |
| parent | f7ca69848786bb99fdfafb511791b078c298438e (diff) | |
| download | lwn-df5eb1d67e8074dfbc23cf396c556116728187b3.tar.gz lwn-df5eb1d67e8074dfbc23cf396c556116728187b3.zip | |
x86/PCI: MMCONFIG: add PCI_MMCFG_BUS_OFFSET() to factor common expression
This factors out the common "bus << 20" expression used when computing the
MMCONFIG address.
Reviewed-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'arch/x86/pci/mmconfig_32.c')
| -rw-r--r-- | arch/x86/pci/mmconfig_32.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/pci/mmconfig_32.c b/arch/x86/pci/mmconfig_32.c index f10a7e94a84c..8c19df89ad75 100644 --- a/arch/x86/pci/mmconfig_32.c +++ b/arch/x86/pci/mmconfig_32.c @@ -47,7 +47,7 @@ static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn) */ static void pci_exp_set_dev_base(unsigned int base, int bus, int devfn) { - u32 dev_base = base | (bus << 20) | (devfn << 12); + u32 dev_base = base | PCI_MMCFG_BUS_OFFSET(bus) | (devfn << 12); int cpu = smp_processor_id(); if (dev_base != mmcfg_last_accessed_device || cpu != mmcfg_last_accessed_cpu) { |