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| author | Matthew Garrett <mjg@redhat.com> | 2012-02-03 10:18:13 -0500 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2012-02-17 09:22:03 -0800 |
| commit | ad71c96213a68dfe6d761e3ff7ac7ac267fd612a (patch) | |
| tree | e1586751c7249035c128de60a5721aafa997e2d5 /drivers/pci/pcie/aspm.c | |
| parent | f67fd55fa96f7d7295b43ffbc4a97d8f55e473aa (diff) | |
| download | blackbird-op-linux-ad71c96213a68dfe6d761e3ff7ac7ac267fd612a.tar.gz blackbird-op-linux-ad71c96213a68dfe6d761e3ff7ac7ac267fd612a.zip | |
PCI: pcie: Add support for setting default ASPM policy
Distributions may wish to provide different defaults for PCIE ASPM
depending on their target audience. Provide a configuration option for
choosing the default policy.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/pcie/aspm.c')
| -rw-r--r-- | drivers/pci/pcie/aspm.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index 1cfbf228fbb1..a0de5e123046 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -76,7 +76,15 @@ static LIST_HEAD(link_list); #define POLICY_DEFAULT 0 /* BIOS default setting */ #define POLICY_PERFORMANCE 1 /* high performance */ #define POLICY_POWERSAVE 2 /* high power saving */ + +#ifdef CONFIG_PCIEASPM_PERFORMANCE +static int aspm_policy = POLICY_PERFORMANCE; +#elif defined CONFIG_PCIEASPM_POWERSAVE +static int aspm_policy = POLICY_POWERSAVE; +#else static int aspm_policy; +#endif + static const char *policy_str[] = { [POLICY_DEFAULT] = "default", [POLICY_PERFORMANCE] = "performance", |
