164 	u32 ltr;  in intel_lpss_ltr_set()  local
171 	ltr = readl(lpss->priv + LPSS_PRIV_ACTIVELTR);  in intel_lpss_ltr_set()
174 		ltr &= ~LPSS_PRIV_LTR_REQ;  in intel_lpss_ltr_set()
176 		ltr |= LPSS_PRIV_LTR_REQ;  in intel_lpss_ltr_set()
177 		ltr &= ~LPSS_PRIV_LTR_SCALE_MASK;  in intel_lpss_ltr_set()
178 		ltr &= ~LPSS_PRIV_LTR_VALUE_MASK;  in intel_lpss_ltr_set()
181 			ltr |= LPSS_PRIV_LTR_SCALE_32US | val >> 5;  in intel_lpss_ltr_set()
183 			ltr |= LPSS_PRIV_LTR_SCALE_1US | val;  in intel_lpss_ltr_set()
186 	if (ltr == lpss->active_ltr)  in intel_lpss_ltr_set()
189 	writel(ltr, lpss->priv + LPSS_PRIV_ACTIVELTR);  in intel_lpss_ltr_set()
190 	writel(ltr, lpss->priv + LPSS_PRIV_IDLELTR);  in intel_lpss_ltr_set()