52 int ipath_enable_wc(struct ipath_devdata *dd)  in ipath_enable_wc()  argument
57 	const unsigned long addr = pci_resource_start(dd->pcidev, 0);  in ipath_enable_wc()
58 	const size_t len = pci_resource_len(dd->pcidev, 0);  in ipath_enable_wc()
71 	if (dd->ipath_piobcnt2k && dd->ipath_piobcnt4k) { /* 2 sizes */  in ipath_enable_wc()
73 		pio2kbase = dd->ipath_piobufbase & 0xffffffffUL;  in ipath_enable_wc()
74 		pio4kbase = (dd->ipath_piobufbase >> 32) & 0xffffffffUL;  in ipath_enable_wc()
78 				dd->ipath_piobcnt4k * dd->ipath_4kalign;  in ipath_enable_wc()
82 				dd->ipath_piobcnt2k * dd->ipath_palign;  in ipath_enable_wc()
85 		pioaddr = addr + dd->ipath_piobufbase;  in ipath_enable_wc()
86 		piolen = dd->ipath_piobcnt2k * dd->ipath_palign +  in ipath_enable_wc()
87 			dd->ipath_piobcnt4k * dd->ipath_4kalign;  in ipath_enable_wc()
107 			ipath_dev_err(dd, "No way to align address/size "  in ipath_enable_wc()
133 				dev_info(&dd->pcidev->dev,  in ipath_enable_wc()
142 			dd->ipath_wc_cookie = cookie;  in ipath_enable_wc()
143 			dd->ipath_wc_base = (unsigned long) pioaddr;  in ipath_enable_wc()
144 			dd->ipath_wc_len = (unsigned long) piolen;  in ipath_enable_wc()
155 void ipath_disable_wc(struct ipath_devdata *dd)  in ipath_disable_wc()  argument
157 	if (dd->ipath_wc_cookie) {  in ipath_disable_wc()
160 		r = mtrr_del(dd->ipath_wc_cookie, dd->ipath_wc_base,  in ipath_disable_wc()
161 			     dd->ipath_wc_len);  in ipath_disable_wc()
163 			dev_info(&dd->pcidev->dev,  in ipath_disable_wc()
165 				 dd->ipath_wc_cookie, dd->ipath_wc_base,  in ipath_disable_wc()
166 				 dd->ipath_wc_len, r);  in ipath_disable_wc()
167 		dd->ipath_wc_cookie = 0; /* even on failure */  in ipath_disable_wc()