[RFC/PATCH] mmc: omap_hsmmc: introduce omap_hsmmc_prepare/complete
svenkatr at ti.com
Fri Oct 26 07:15:17 EDT 2012
On Thursday 25 October 2012 11:34 PM, Felipe Balbi wrote:
> On Mon, Oct 22, 2012 at 04:27:08PM +0300, Felipe Balbi wrote:
>> On Mon, Oct 22, 2012 at 03:59:28PM +0300, Felipe Balbi wrote:
>>> prepare() is supposed to prevent new children from
>>> being registered. On the MMC subsystem, children
>>> (new cards) registration starts with the card
>>> detect IRQ.
>>> Move card detect IRQ disabling to prepare() so that
>>> no new cards will be registered while we're trying
>>> to suspend.
>>> Likewise, move card detect IRQ enabling to complete()
>>> so we only try to register new children after our MMC
>>> IP is back up.
>>> Signed-off-by: Felipe Balbi <balbi at ti.com>
>>> Venkat, do you think the patch below makes sense ?
>> btw, just checked suspend to ram with beagle and panda. We still have
>> our filesystem after waking up.
>> ps: you will  to test it:
>>  http://marc.info/?l=linux-arm-kernel&m=135090724817604&w=2
I've been off for the past 3 days. Will test this on Monday once I'm
back in office.
More information about the linux-arm-kernel