From mboxrd@z Thu Jan 1 00:00:00 1970 From: shawn.guo@linaro.org (Shawn Guo) Date: Fri, 28 Feb 2014 10:10:07 +0800 Subject: [PATCH 1/3] PCI: designware: add legacy PCI interrupt mapping In-Reply-To: <1393550394-11071-2-git-send-email-tharvey@gateworks.com> References: <1393550394-11071-1-git-send-email-tharvey@gateworks.com> <1393550394-11071-2-git-send-email-tharvey@gateworks.com> Message-ID: <20140228021005.GI13537@S2101-09.ap.freescale.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > Cc: Bjorn Helgaas > Cc: Richard Zhu > Cc: Shawn Guo > Cc: Lucas Stach > Cc: Sean Cross > Cc: Jingoo Han > --- > 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