PCI: vmd: Create bus offset configuration helper

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Move the bus offset configuration discovery code to a new helper.  Modify
the bus offset 2-bit decode switch to have a 0 case and a default error
case, just in case the field is expanded in future hardware.

Link: https://lore.kernel.org/r/20200728194945.14126-3-jonathan.derrick@intel.com
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>

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Jon Derrick 2020-07-28 13:49:41 -06:00 • committed by Bjorn Helgaas

parent 030109c037

commit 2e1224183b

1 changed files with 32 additions and 21 deletions

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drivers/pci/controller/vmd.c

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