Merge branch 'fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6

2 files changed, 12 insertions, 6 deletions

diff --git a/arch/arm/mm/cache-xsc3l2.c b/arch/arm/mm/cache-xsc3l2.c
index 5d180cb0bd94..c3154928bccd 100644
--- a/arch/arm/mm/cache-xsc3l2.c
+++ b/arch/arm/mm/cache-xsc3l2.c
@@ -221,15 +221,14 @@ static int __init xsc3_l2_init(void)
         if (!cpu_is_xsc3() || !xsc3_l2_present())
                 return 0;
 
-        if (!(get_cr() & CR_L2)) {
+        if (get_cr() & CR_L2) {
                 pr_info("XScale3 L2 cache enabled.\n");
-                adjust_cr(CR_L2, CR_L2);
                 xsc3_l2_inv_all();
-        }
 
-        outer_cache.inv_range = xsc3_l2_inv_range;
-        outer_cache.clean_range = xsc3_l2_clean_range;
-        outer_cache.flush_range = xsc3_l2_flush_range;
+                outer_cache.inv_range = xsc3_l2_inv_range;
+                outer_cache.clean_range = xsc3_l2_clean_range;
+                outer_cache.flush_range = xsc3_l2_flush_range;
+        }
 
         return 0;
 }
diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S
index 96456f548798..8e4f6dca8997 100644
--- a/arch/arm/mm/proc-xsc3.S
+++ b/arch/arm/mm/proc-xsc3.S
@@ -407,6 +407,13 @@ __xsc3_setup:
 
         adr     r5, xsc3_crval
         ldmia   r5, {r5, r6}
+
+#ifdef CONFIG_CACHE_XSC3L2
+        mrc     p15, 1, r0, c0, c0, 1           @ get L2 present information
+        ands    r0, r0, #0xf8
+        orrne   r6, r6, #(1 << 26)              @ enable L2 if present
+#endif
+
         mrc     p15, 0, r0, c1, c0, 0           @ get control register
         bic     r0, r0, r5                      @ ..V. ..R. .... ..A.
         orr     r0, r0, r6                      @ ..VI Z..S .... .C.M (mmu)