ARM: SPEAr: conditionalize l2x0 support

If the cache controller implementation is disabled at build time,
we must not call any functions related to it.

arch/arm/mach-spear/built-in.o: In function `spear13xx_l2x0_init':
arch/arm/mach-spear/spear13xx.c:47: undefined reference to `l2x0_init'

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Viresh Kumar <viresh.linux@gmail.com>

diff --git a/arch/arm/mach-spear13xx/spear13xx.c b/arch/arm/mach-spear13xx/spear13xx.c
index 25a10191b0218afb8ebbebe8a463ccf7cd869ea9..0dacf571ea726ff13bd173de71fe6f292d88a0bd 100644 (file)
--- a/arch/arm/mach-spear13xx/spear13xx.c
+++ b/arch/arm/mach-spear13xx/spear13xx.c
@@ -92,6 +92,8 @@ void __init spear13xx_l2x0_init(void)
         * write alloc and 'Full line of zero' options
         *
         */
+       if (!IS_ENABLED(CONFIG_CACHE_L2X0))
+               return;
 
        writel_relaxed(0x06, VA_L2CC_BASE + L2X0_PREFETCH_CTRL);