On 2016-10-14 13:47, Martin K. Petersen wrote:
"Subhash" == Subhash Jadavani <subhashj@xxxxxxxxxxxxxx> writes:
Subhash> UFS devfreq clock scaling work may require clocks to be ON if
Subhash> it need to execute some UFS commands hence it may request for
Subhash> clock hold before issuing the command. But if UFS clock gating
Subhash> work is already running in parallel, ungate work would end up
Subhash> waiting for the clock gating work to finish and as clock
gating
Subhash> work would also wait for the clock scaling work to finish, we
Subhash> would enter in deadlock state. Here is the call trace during
Subhash> this deadlock state:
Somebody from the UFS camp, please review!
As there was no review so far, i have moved this patch as first patch in
the new UFS bug fixes patch series ([PATCH v1 00/11] scsi: ufs: bug
fixes patch series #1) sent by me today.
Thanks,
Subhash
--
The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html