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| author | Srinidhi Kasagar <srinidhi.kasagar@intel.com> | 2015-06-19 08:22:46 +0200 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2015-07-14 20:36:25 +0200 |
| commit | 4a118753d411d3e22a463361bb867c51d63ebe14 (patch) | |
| tree | e625a792cab7f55970f1dea268f7c116d6b39d49 /drivers/pci/quirks.c | |
| parent | Linux 4.2-rc2 (diff) | |
| download | linux-4a118753d411d3e22a463361bb867c51d63ebe14.tar.xz linux-4a118753d411d3e22a463361bb867c51d63ebe14.zip | |
PCI: Remove Intel Cherrytrail D3 delays
Just like Haswell, Intel Atom Cherrytrail does not need the default 10ms
d3_delay imposed by the PCI specification.
Expand quirk_remove_d3_delay() to apply to Cherrytrail devices, so we can
ignore the 10ms delay before entering or exiting D3 suspend.
[bhelgaas: changelog, comment]
Signed-off-by: Srinidhi Kasagar <srinidhi.kasagar@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/quirks.c')
| -rw-r--r-- | drivers/pci/quirks.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index e9fd0e90fa3b..1fd0ce8208d0 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3028,7 +3028,16 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x8c26, quirk_remove_d3_delay); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x8c4e, quirk_remove_d3_delay); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x8c02, quirk_remove_d3_delay); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x8c22, quirk_remove_d3_delay); - +/* Intel Cherrytrail devices do not need 10ms d3_delay */ +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x2280, quirk_remove_d3_delay); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x22b0, quirk_remove_d3_delay); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x22b8, quirk_remove_d3_delay); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x22d8, quirk_remove_d3_delay); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x22dc, quirk_remove_d3_delay); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x22b5, quirk_remove_d3_delay); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x22b7, quirk_remove_d3_delay); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x2298, quirk_remove_d3_delay); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x229c, quirk_remove_d3_delay); /* * Some devices may pass our check in pci_intx_mask_supported if * PCI_COMMAND_INTX_DISABLE works though they actually do not properly |