Factor out icache/dcache components from flush_cache() function. Call the newly added __flush_icache()/__flush_dcache() functions inside icache_disable() and dcache_disable(), respectively. There is no need to flush both caches when disabling a particular cache type. Signed-off-by: Ovidiu Panait <ovpanait@gmail.com> Link: https://lore.kernel.org/r/20220531181435.3473549-7-ovpanait@gmail.com Signed-off-by: Michal Simek <michal.simek@amd.com>