firmware loader: fix compile warning when CONFIG_PM=n
This patch replaces the previous macro of CONFIG_PM with CONFIG_PM_SLEEP becasue firmware cache is only used in system sleep situations. Also this patch fixes the below compile warning when CONFIG_PM=n: drivers/base/firmware_class.c:1147: warning: 'device_cache_fw_images' defined but not used drivers/base/firmware_class.c:1212: warning: 'device_uncache_fw_images_delay' defined but not used Reported-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ming Lei <ming.lei@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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