PCI: designware-ep: Add generic function for raising MSI irq

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Add a generic function for raising MSI irqs that can be used by all
DWC based controllers.

Note that certain controllers, like DRA7xx, have a special convenience
register for raising MSI irqs that doesn't require you to explicitly map
the MSI address. Therefore, it is likely that certain drivers will
not use this generic function, even if they can.

Tested-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Joao Pinto <jpinto@synopsys.com>

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Niklas Cassel 2017-12-20 00:29:27 +01:00 • committed by Lorenzo Pieralisi

parent 9e7181199e

commit 6f6d787371

2 changed files with 44 additions and 0 deletions

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35

drivers/pci/dwc/pcie-designware-ep.c

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9

drivers/pci/dwc/pcie-designware.h

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