On Tue, Jun 14, 2011 at 07:39:03PM +0800, Shawn Guo wrote: > On Tue, Jun 14, 2011 at 01:13:29PM +0200, Arnaud Patard wrote: > > Shawn Guo <shawn.guo@xxxxxxxxxxxxx> writes: > > > > Hi, > > > > > On Fri, Jun 10, 2011 at 06:42:48PM +0800, Shawn Guo wrote: > > >> The card-present polling within sdhci based driver is very expensive > > >> in terms of the impact to system performance. We observe a few > > >> system performance issues from Freescale and Linaro on mx5 platforms, > > >> which have been proved card polling related. > > >> > > >> The patch set extends the current sdhci-esdhc-imx card_detect and > > >> write_protect support to cover mx5 platforms, and solves above > > >> performance issues. > > >> > > >> Shawn Guo (4): > > >> mmc: sdhci: fix interrupt storm from card detection > > >> mmc: sdhci-esdhc-imx: SDHCI_CARD_PRESENT does not get cleared > > >> mmc: sdhci-esdhc-imx: remove "WP" from flag ESDHC_FLAG_GPIO_FOR_CD_WP > > >> mmc: sdhci-esdhc-imx: extend card_detect and write_protect support > > >> > > > Hi Arnaud, > > > > > > Any chance to play with it yet? > > > > I tried applying the patch 4 (v2) on mmc git and Sascha Hauer's for-next > > branch and failed. Can you please tell me on which tree should I apply > > it ? > > > Sascha really should not picked up the following 3 patches. They are > nonsense when driver is not even ready for the support. These 3 > patches have conflict with my patch set. You should be able to > apply with these 3 removed. > > commit 954548c68c2d478bf8ec0ca9d9eea2a7c45a4fcd > Author: Andre Silva <andre.silva@xxxxxxxxxxxxx> > > ARM:mach-mx5/board-mx51_babbage: Add CD and WP GPIOs > > commit ba0c5064cb55aaac4cb5202ecad5afe9385139fc > Author: Andre Silva <andre.silva@xxxxxxxxxxxxx> > > ARM:mach-mx5/board-mx53_loco: Add CD and WP GPIOs > > commit fabef7b7c62ba58604da22b6f79b7e9ad5ae8d74 > Author: Andre Silva <andre.silva@xxxxxxxxxxxxx> > > ARM: mach-mx5/mx53_ard: Add support for i.MX53 ARD board > Sascha, Since these 3 patches are still sitting on top of your tree, would you mind backing out them? Or you want me to do a rebase on your tree? I'm fine with either one. -- Regards, Shawn -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
