Tag: 2cff64062e513dd32bde585e8dc87796742e8b59

video: fbdev: sisfb: use arch_phys_wc_add() and ioremap_wc()

Author: Luis R. Rodriguez <mcgrof@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(). arch_phys_wc_add() will avoid MTRR if write-combining is available, in order to take advantage of that also ensure the ioremap’d area is requested as …

Continue reading