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(parent: 7570a33) | patch
x86/mrst/pci: assign d3_delay to 0 for Langwell devices
authorJacob Pan <jacob.jun.pan@linux.intel.com>
Mon, 13 Feb 2012 12:59:00 +0000 (12:59 +0000)
committerJesse Barnes <jbarnes@virtuousgeek.org>
Thu, 23 Feb 2012 20:31:36 +0000 (12:31 -0800)
commit990a30c50c2bb3c4570aec7c33bedb969d089b7b
tree4c1dbd9c61b99b74d527a401340bf6897a1f916btree | snapshot
parent7570a333d8b00e7fd4b05d898e353000a70210cecommit | diff
x86/mrst/pci: assign d3_delay to 0 for Langwell devices

Langwell devices are not true pci devices, they are not subject to the 10 ms
d3 to d0 delay required by pci spec. This patch assigns d3_delay to 0 for all
langwell pci devices.

We can also power off devices that are not really used by the OS

Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
arch/x86/pci/mrst.c diff | blob | history
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