[PATCH] mmc: sdhci: query card presence from cd-gpio before asking SDHCI
cjb at laptop.org
Mon Jan 14 14:05:14 EST 2013
On Tue, Dec 11 2012, Shawn Guo wrote:
> Call mmc_gpio_get_cd() to query card presence from cd-gpio before
> asking SDHCI. The rationale behind this change is that flag
> SDHCI_QUIRK_BROKEN_CARD_DETECTION is designed for SDHCI controller to
> tell that SDHCI_PRESENT_STATE is broken, and it should be used for this
> case only. So when cd-gpio is being used, the controller should set
> the flag to tell that SDHCI_PRESENT_STATE is not available.
> However, the existing code will skip checking cd-gpio as long as flag
> SDHCI_QUIRK_BROKEN_CARD_DETECTION is set. Change the querying order
> between cd-gpio and SDHCI to support the rationale above.
> Signed-off-by: Shawn Guo <shawn.guo at linaro.org>
Thanks, pushed to mmc-next for 3.9.
Chris Ball <cjb at laptop.org> <http://printf.net/>
One Laptop Per Child
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