On 9/1/2024 7:18 PM, peter.wang at mediatek.com 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