regmap: cache: Add 64-bit mode support

Since the mmio has support the 64-bit has been supported for the
64-bit platform, so should the regcache core too.

Signed-off-by: Xiubo Li <lixiubo@cmss.chinamobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 3cb8c59a5ff6..1c0210aa2573 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -551,6 +551,14 @@ bool regcache_set_val(struct regmap *map, void *base, unsigned int idx,
                 cache[idx] = val;
                 break;
         }
+#ifdef CONFIG_64BIT
+        case 8: {
+                u64 *cache = base;
+
+                cache[idx] = val;
+                break;
+        }
+#endif
         default:
                 BUG();
         }
@@ -584,6 +592,13 @@ unsigned int regcache_get_val(struct regmap *map, const void *base,
 
                 return cache[idx];
         }
+#ifdef CONFIG_64BIT
+        case 8: {
+                const u64 *cache = base;
+
+                return cache[idx];
+        }
+#endif
         default:
                 BUG();
         }