Author: Luis R. Rodriguez <mcgrof@suse.com> The same area used for ioremap() is used for the MTRR area. 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 …
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