[PATCH v1] scsi: ufs: ufs-mediatek: Change dbg select by check hw version

Bart Van Assche bvanassche at acm.org
Tue Aug 31 19:55:56 PDT 2021


On 8/31/21 19:29, Peter Wang wrote:
> REG_UFS_MTK_HW_VER is a read only mediatek dedicated register.
> So, hw_ver will get a const value for mediatek to decide how to use
> debug select. It only need read once, no need multi-threads protected.

Hi Peter,

The above can be concluded easily by a human but not by software. If 
this code is analyzed with KCSAN then KCSAN will probably complain. See 
also Documentation/dev-tools/kcsan.rst.

Anyway, I'm fine with this patch.

Thanks,

Bart.



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