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由 Heiner Kallweit 提交于
Several drivers use the following code sequence: 1. Read PCI_STATUS 2. Mask out non-error bits 3. Action based on error bits set 4. Write back set error bits to clear them As this is a repeated pattern, add a helper to the PCI core. Signed-off-by: NHeiner Kallweit <hkallweit1@gmail.com> Acked-by: NBjorn Helgaas <bhelgaas@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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