[PATCH v4 07/11] drivers/video/fbdev/s3fb: Use arch_phys_wc_add() and pci_iomap_wc()

From: "Luis R. Rodriguez" This driver uses the same area for MTRR as for the ioremap(). Convert the driver from using the x86-specific MTRR code to the architecture-agnostic arch_phys_wc_add(). It will avoid MTRRs if write-combining is available. In order to take advantage of that also ensure

[PATCH v4 07/11] drivers/video/fbdev/s3fb: Use arch_phys_wc_add() and pci_iomap_wc()

From: Luis R. Rodriguez mcg...@suse.com This driver uses the same area for MTRR as for the ioremap(). Convert the driver from using the x86-specific MTRR code to the architecture-agnostic arch_phys_wc_add(). It will avoid MTRRs if write-combining is available. In order to take advantage of that