[PATCH 1/3] PCI: designware: add legacy PCI interrupt mapping

Shawn Guo shawn.guo at linaro.org
Thu Feb 27 21:10:07 EST 2014


On Thu, Feb 27, 2014 at 05:19:52PM -0800, Tim Harvey wrote:
> The IMX6 maps INTA/B/C/D to ARM GIC IRQ 155/154/153/152 respectively.
> This allows a PCIe-to-PCI bridge to function properly.
> 
> The irq field of the pcie_host struct is expanded to 4 interrupts to
> allow for INTA/B/C/D and the IMX6 PCIe host driver will populate them
> all from devicetree.  I'm not clear if the Exynos driver has this
> capability so it places the same interrupt in all 4 slots.
> 
> Signed-off-by: Tim Harvey <tharvey at gateworks.com>
> Cc: Bjorn Helgaas <bhelgaas at google.com>
> Cc: Richard Zhu <r65037 at freescale.com>
> Cc: Shawn Guo <shawn.guo at linaro.org>
> Cc: Lucas Stach <l.stach at pengutronix.de>
> Cc: Sean Cross <xobs at kosagi.com>
> Cc: Jingoo Han <jg1.han at samsung.com>
> ---
>  arch/arm/boot/dts/imx6qdl.dtsi     |  2 +-

This change should be in a separate patch that goes to IMX tree.  And
please be aware of Arnd's comment [1] there.

Shawn

[1] http://www.spinics.net/lists/arm-kernel/msg311615.html




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