[PATCH v1 10/13] PCI: Preserve BIOS PCI_COMMAND_SERR and PCI_COMMAND_PARITY settings

2014-09-12 Thread Bjorn Helgaas
Do not clear PCI_COMMAND_SERR or PCI_COMMAND_PARITY based on _HPP. The spec (ACPI rev 5.0, sec 6.2.7) says that when "Enable SERR" is set to 1, we should enable SERR in the command register. It says nothing about *disabling* SERR or PERR; in fact, the example in 6.2.7.1 says we should leave PERR

[PATCH v1 10/13] PCI: Preserve BIOS PCI_COMMAND_SERR and PCI_COMMAND_PARITY settings

2014-09-12 Thread Bjorn Helgaas
Do not clear PCI_COMMAND_SERR or PCI_COMMAND_PARITY based on _HPP. The spec (ACPI rev 5.0, sec 6.2.7) says that when Enable SERR is set to 1, we should enable SERR in the command register. It says nothing about *disabling* SERR or PERR; in fact, the example in 6.2.7.1 says we should leave PERR