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
--
Regards,
Shawn
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