On Fri, 2024-09-06 at 13:39 -0700, Bao D. Nguyen wrote: > > External email : Please do not click links or open attachments until > you have verified the sender or the content. > On 9/1/2024 7:18 PM, peter.wang@xxxxxxxxxxxx wrote: > > > /* SQRTCy.ICU = 1 */ > > -writel(SQ_ICU, opr_sqd_base + REG_SQRTC); > > +writel(readl(opr_sqd_base + REG_SQRTC) | SQ_ICU, > > +opr_sqd_base + REG_SQRTC); > Hi Peter, > Instead of readl() here, how about write (SQ_STOP | SQ_ICU) to SQRTC? > > Thanks, Bao Hi Bao, My opinion is not to do it this way, because we don't know if the future specification of REG_SQRTC will add extra bits. Once added, such an approach would again become a bug in ufs driver. Thanks Peter