PCI: keystone: Add error IRQ handler

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Keystone PCI hardware generates error interrupts at RC using a platform IRQ
instead of a standard MSI or legacy IRQ.  Add a simple error handler that
logs the fatal interrupt status to the console.

[bhelgaas: s/node/dev->of_node/, tidy comments, return irqreturn_t directly]
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
CC: Pawel Moll <pawel.moll@arm.com>
CC: Mark Rutland <mark.rutland@arm.com>
CC: Ian Campbell <ijc+devicetree@hellion.org.uk>
CC: Kumar Gala <galak@codeaurora.org>

...

This commit is contained in:

Murali Karicheri 2016-04-11 10:50:30 -04:00 • committed by Bjorn Helgaas

parent 9735a22799

commit 025dd3daed

4 changed files with 74 additions and 0 deletions

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1

Documentation/devicetree/bindings/pci/pci-keystone.txt

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38

drivers/pci/host/pci-keystone-dw.c

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29

drivers/pci/host/pci-keystone.c

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6

drivers/pci/host/pci-keystone.h

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