ARC: Cache: Move PAE exists check into slc_upper_region_init()

Move check for PAE existence into slc_upper_region_init()
instead of its caller as more appropriate place.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>

diff --git a/arch/arc/lib/cache.c b/arch/arc/lib/cache.c
index b08c211..031ebd7 100644 (file)
--- a/arch/arc/lib/cache.c
+++ b/arch/arc/lib/cache.c
@@ -193,6 +193,14 @@ static void __slc_entire_op(const int op)
 static void slc_upper_region_init(void)
 {
        /*
+        * ARC_AUX_SLC_RGN_START1 and ARC_AUX_SLC_RGN_END1 register exist
+        * only if PAE exists in current HW. So we had to check pae_exist
+        * before using them.
+        */
+       if (!pae_exists())
+               return;
+
+       /*
         * ARC_AUX_SLC_RGN_END1 and ARC_AUX_SLC_RGN_START1 are always == 0
         * as we don't use PAE40.
         */
@@ -334,12 +342,7 @@ void cache_init(void)
        if (is_isa_arcv2() && ioc_exists)
                arc_ioc_setup();
 
-       /*
-        * ARC_AUX_SLC_RGN_START1 and ARC_AUX_SLC_RGN_END1 register exist
-        * only if PAE exists in current HW. So we had to check pae_exist
-        * before using them.
-        */
-       if (is_isa_arcv2() && slc_exists() && pae_exists())
+       if (is_isa_arcv2() && slc_exists())
                slc_upper_region_init();
 }