PCI/DPC: Leave interrupts enabled while handling event

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Now that the DPC driver clears the interrupt status before exiting the
IRQ handler, we don't need to abuse the DPC control register to know if
a shared interrupt is for a new DPC event: a DPC port can not trigger
a second interrupt until the host clears the trigger status later in the
work queue handler.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Sinan Kaya <okaya@kernel.org>
Reviewed-by: Oza Pawandeep <poza@codeaurora.org>

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Keith Busch 2018-06-20 15:38:27 -06:00 • committed by Bjorn Helgaas

parent 1e4511604d

commit f8d46c89c8

1 changed files with 5 additions and 18 deletions

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drivers/pci/pcie/dpc.c

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