[PATCH 0/4] Extend sdhci-esdhc-imx card_detect and write_protect support for mx5
Arnaud Patard (Rtp)
arnaud.patard at rtp-net.org
Tue Jun 14 07:13:29 EDT 2011
Shawn Guo <shawn.guo at freescale.com> writes:
> 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
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