ARM: 8729/1: Hook B15 readahead cache functions based on processor
If we detect that we are running on a Broadcom Brahma-B15 CPU, and CONFIG_CACHE_B15_RAC is enabled, make sure that we pick-up the b15_cache_fns function operations. If CONFIG_CACHE_B15_RAC is enabled, but we are not running on a Broadcom Brahma-B15 CPU, we will fallback to calling into the regular v7_cache_fns with no cost. If CONFIG_CACHE_B15_RAC is disabled, there is no cost and we just use the regular v7_cache_fns. Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com> Signed-off-by: NRussell King <rmk+kernel@armlinux.org.uk>
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