From mboxrd@z Thu Jan 1 00:00:00 1970 From: jagannadh.teki@gmail.com (Jagan Teki) Date: Wed, 11 Dec 2013 16:59:44 +0530 Subject: [PATCH 08/12] pcie: designware: Fix IO transfers In-Reply-To: <201312111103.28568.marex@denx.de> References: <6b4282b9e793ec89ba0c20f3362d41f6133a8132.1386752447.git.mohit.kumar@st.com> <201312111103.28568.marex@denx.de> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Dec 11, 2013 at 3:33 PM, Marek Vasut wrote: > On Wednesday, December 11, 2013 at 10:38:33 AM, Mohit Kumar wrote: >> From: Pratyush Anand >> >> pp->io_base which is the input of the outbound IO address translation >> unit should be the cpu address, it was programmed wrongly to realio >> address. >> >> We should pass global_io_offset rather than sys->io_offset to >> pci_ioremap_io, so we map the new window into the first available spot >> in the Linux view of the I/O space. >> >> We must also pass cpu address instead of realio address to >> pci_ioremap_io. >> >> This patch fixes above issue. It has been tested with Lecroy PTC in AIC >> mode and Pericom PI7C9X2G303EL PCIe switch, which does not work >> otherwise. >> >> Signed-off-by: Pratyush Anand >> Tested-by: Mohit Kumar >> Tested-by: Tim Harvey >> Cc: Arnd Bergmann >> Cc: Marek Vasut >> Cc: Richard Zhu >> Cc: linux-pci at vger.kernel.org >> Cc: spear-devel at list.st.com > > Acked-by: Marek Vasut > > Best regards, > Marek Vasut > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to majordomo at vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html Acked-by: Jagannadha Sutradharudu Teki -- Thanks, Jagan. -------- Jagannadha Sutradharudu Teki, E: jagannadh.teki at gmail.com, P: +91-9676773388 Engineer - System Software Hacker U-boot - SPI Custodian and Zynq APSOC Ln: http://www.linkedin.com/in/jaganteki