PCI: add latency tolerance reporting enable/disable support

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Latency tolerance reporting allows devices to send messages to the root
complex indicating their latency tolerance for snooped & unsnooped
memory transactions.  Add support for enabling & disabling this
feature, along with a routine to set the max latencies a device should
send upstream.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

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This commit is contained in:

Jesse Barnes 2011-01-14 08:53:04 -08:00

parent 48a92a8179

commit 51c2e0a7e5

3 changed files with 163 additions and 0 deletions

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149

drivers/pci/pci.c

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5

include/linux/pci.h

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9

include/linux/pci_regs.h

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