From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Fri, 28 Feb 2014 10:27:13 +0100 Subject: [PATCH 3/3] PCI: imx6: ventana: fixup for IRQ mismapping In-Reply-To: <1393550394-11071-4-git-send-email-tharvey@gateworks.com> References: <1393550394-11071-1-git-send-email-tharvey@gateworks.com> <1393550394-11071-4-git-send-email-tharvey@gateworks.com> Message-ID: <7755759.E1g1jlxbyc@wuerfel> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thursday 27 February 2014 17:19:54 Tim Harvey wrote: > The TI XIO2001 PCIe-to-PCI bridge used on Ventana expansion boards > has its slot-to-bridge IRQ mapping reversed from the PCI specification: > > INTA->INTD > INTB->INTC > INTC->INTB > INTD->INTA > > Implement a custom swizzle function that does a fixup on the interrupt for > devices on the first TI XIO2001 bridge in the tree. > I'm pretty sure you can express that by using a more specific 'interrupt-map' property that defines the correct mapping for the PCIe-to-PCI bridge in the board file. Arnd