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authorCan Guo <[email protected]>2020-08-09 05:15:48 -0700
committerMartin K. Petersen <[email protected]>2020-08-17 20:54:51 -0400
commit89dd87acd40a44de8ff3358138aedf8f73f4efc6 (patch)
tree9a633e21ca877302a2c0bf60b370760677a81f05 /tools/perf/scripts/python/flamegraph.py
parent2dec9475a4028ba0a4ede51452f89dead2c008e1 (diff)
scsi: ufs: ufs-qcom: Fix race conditions caused by ufs_qcom_testbus_config()
If ufs_qcom_dump_dbg_regs() calls ufs_qcom_testbus_config() from ufshcd_suspend/resume and/or clk gate/ungate context, pm_runtime_get_sync() and ufshcd_hold() will cause a race condition. Fix this by removing the unnecessary calls of pm_runtime_get_sync() and ufshcd_hold(). Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Hongwu Su <[email protected]> Reviewed-by: Avri Altman <[email protected]> Reviewed-by: Bean Huo <[email protected]> Reviewed-by: Asutosh Das <[email protected]> Signed-off-by: Can Guo <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
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