[PATCH v2 6/9] spl: Allow ATF to work when dcache is disabled

[Simon Glass <sjg@chromium.org>]

The dcache may not be enabled in SPL. Add a check to avoid trying to
use an undefined function.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
---

(no changes since v1)

 common/spl/spl_atf.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/common/spl/spl_atf.c b/common/spl/spl_atf.c
index 3bdd013a35f..9afe6456bc4 100644
--- a/common/spl/spl_atf.c
+++ b/common/spl/spl_atf.c
@@ -204,7 +204,8 @@ static void __noreturn bl31_entry(uintptr_t bl31_entry, uintptr_t bl32_entry,
 						       fdt_addr);
 
 	raw_write_daif(SPSR_EXCEPTION_MASK);
-	dcache_disable();
+	if (!CONFIG_IS_ENABLED(SYS_DCACHE_OFF))
+		dcache_disable();
 
 	atf_entry(bl31_params, (void *)fdt_addr);
 }
-- 
2.34.1