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authorMika Westerberg <mika.westerberg@linux.intel.com>2018-05-23 17:14:39 -0500
committerBjorn Helgaas <bhelgaas@google.com>2018-05-23 17:42:53 -0500
commit13c65840feab8109194f9490c9870587173cb29d (patch)
tree10b5720ecb527552f321aca243d39f36a859ee66 /drivers/hv
parent5d9c6b8ae987c7207ee665be81c4ad04949ad15a (diff)
downloadlinux-13c65840feab8109194f9490c9870587173cb29d.tar.bz2
PCI: pciehp: Clear Presence Detect and Data Link Layer Status Changed on resume
After a suspend/resume cycle the Presence Detect or Data Link Layer Status Changed bits might be set. If we don't clear them those events will not fire anymore and nothing happens for instance when a device is now hot-unplugged. Fix this by clearing those bits in a newly introduced function pcie_reenable_notification(). This should be fine because immediately after, we check if the adapter is still present by reading directly from the status register. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/hv')
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