Hi Avri, On 6/23/20, Avri Altman <Avri.Altman@xxxxxxx> wrote: >> >> AFAIK, this device are ufs 2.1. It's not support writebooster. >> >> I'd check latest linux scsi branch and ufshcd_wb_config function's >> called without device capability check. > Please grep ufshcd_wb_probe. > I got your point, but as I mentioned, this device not support wb, this is old products. I'm not sure ufshcd_wb_probe are called or not in Rob and Steev's platform. If it's called, hba->caps are setted with wb diable and this error not occured. But (it looks) not called, same query error will be occured in ufshcd_wb_config/ctrl. BR, Kyuho Choi
