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| author | Subhash Jadavani <subhashj@codeaurora.org> | 2013-02-26 17:32:58 +0530 |
|---|---|---|
| committer | Subhash Jadavani <subhashj@codeaurora.org> | 2016-05-31 15:20:25 -0700 |
| commit | 20537f4aae5abd63918edc990a5ea9d355b6ad58 (patch) | |
| tree | 96589ca25e543674cf10c18663440e2fc4f4e9fe /include/linux | |
| parent | 7d7218224b477ffb208655be43996fdfdb9d8370 (diff) | |
mmc: card: abort the suspend if the card is busy
mmc_blk_suspend() is triggered when system is going into suspend which
then waits for the mmcqd thread (which processes active MMC transfer
requests) to complete all queued transfer requests but if mmcqd has
multiple requests to be processed at this point, mmc_blk_suspend() may
very well sleep for duration longer than DPM (Device Power Management)
timeout (currently 12 sec) causing the DPM timeout bug.
To fix this issue, mmc_blk_suspend() checks if there are any more pending
MMC requests in progress or not and if there are any, it returns error
which should abort the ongoing system suspend.
CRs-Fixed: 439192
Change-Id: Ic7ba2f013d10a1952c30ea2ed93f74b831fcc27d
[subhashj@codeaurora.org: fixed trivial merge conflicts]
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Diffstat (limited to 'include/linux')
0 files changed, 0 insertions, 0 deletions