greybus: SDIO: Add runtime pm support

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Modify SDIO greybus driver to support runtime PM framework.
To enable SDIO runtime PM, it needs to remove MMC_CAP_NEEDS_POLL
and add MMC_CAP2_CORE_RUNTIME_PM in set_host_caps().
The suspend function and resume function have been tested
with micron-sdio image by sysfs. SDIO functions work well
on suspend/resume.

Testing Done: Compiled and verified on EVT2.0 + Micron ARA
              SD module with USB connector

Signed-off-by: Jackson Chang <chang_jackson@projectara.com>
Reviewed-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

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Jackson Chang 2016-08-05 10:22:02 +08:00 • committed by Greg Kroah-Hartman

parent 591c45227a

commit 8f3972f78f

2 changed files with 31 additions and 4 deletions

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4

drivers/staging/greybus/kernel_ver.h

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31

drivers/staging/greybus/sdio.c

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