RE: [PATCH v6 2/8] ufs: ufs-qcom: Fix race conditions caused by func ufs_qcom_testbus_config

From: Avri Altman
Date: Mon Jul 27 2020 - 08:52:16 EST

> 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 racing problems. Fix this by removing the
> unnecessary calls of pm_runtime_get_sync() and ufshcd_hold().
> Signed-off-by: Can Guo <cang@xxxxxxxxxxxxxx>
> Reviewed-by: Hongwu Su <hongwus@xxxxxxxxxxxxxx>
Reviewed-by: Avri Altman <avri.altman@xxxxxxx>