152 	struct mu3c_ippc_regs __iomem *ippc = mtk->ippc_regs;  in xhci_mtk_host_enable()  local
162 	value = readl(&ippc->ip_pw_ctr1);  in xhci_mtk_host_enable()
164 	writel(value, &ippc->ip_pw_ctr1);  in xhci_mtk_host_enable()
173 		value = readl(&ippc->u3_ctrl_p[i]);  in xhci_mtk_host_enable()
176 		writel(value, &ippc->u3_ctrl_p[i]);  in xhci_mtk_host_enable()
184 		value = readl(&ippc->u2_ctrl_p[i]);  in xhci_mtk_host_enable()
187 		writel(value, &ippc->u2_ctrl_p[i]);  in xhci_mtk_host_enable()
200 	ret = readl_poll_timeout(&ippc->ip_pw_sts1, value,  in xhci_mtk_host_enable()
212 	struct mu3c_ippc_regs __iomem *ippc = mtk->ippc_regs;  in xhci_mtk_host_disable()  local
225 		value = readl(&ippc->u3_ctrl_p[i]);  in xhci_mtk_host_disable()
227 		writel(value, &ippc->u3_ctrl_p[i]);  in xhci_mtk_host_disable()
235 		value = readl(&ippc->u2_ctrl_p[i]);  in xhci_mtk_host_disable()
237 		writel(value, &ippc->u2_ctrl_p[i]);  in xhci_mtk_host_disable()
241 	value = readl(&ippc->ip_pw_ctr1);  in xhci_mtk_host_disable()
243 	writel(value, &ippc->ip_pw_ctr1);  in xhci_mtk_host_disable()
246 	ret = readl_poll_timeout(&ippc->ip_pw_sts1, value,  in xhci_mtk_host_disable()
257 	struct mu3c_ippc_regs __iomem *ippc = mtk->ippc_regs;  in xhci_mtk_ssusb_config()  local
264 	value = readl(&ippc->ip_pw_ctr0);  in xhci_mtk_ssusb_config()
266 	writel(value, &ippc->ip_pw_ctr0);  in xhci_mtk_ssusb_config()
268 	value = readl(&ippc->ip_pw_ctr0);  in xhci_mtk_ssusb_config()
270 	writel(value, &ippc->ip_pw_ctr0);  in xhci_mtk_ssusb_config()
276 	value = readl(&ippc->ip_pw_ctr2);  in xhci_mtk_ssusb_config()
278 	writel(value, &ippc->ip_pw_ctr2);  in xhci_mtk_ssusb_config()
280 	value = readl(&ippc->ip_xhci_cap);  in xhci_mtk_ssusb_config()
562 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ippc");  in xhci_mtk_probe()
563 	if (res) {	/* ippc register is optional */  in xhci_mtk_probe()