linux-kernel - [PATCHv2 2/2] regmap: cache: Add 64-bit mode support

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Date:	Wed,  9 Dec 2015 13:09:07 +0800
From:	Xiubo Li <lixiubo@...s.chinamobile.com>
To:	broonie@...nel.org
Cc:	linux-kernel@...r.kernel.org,
	Xiubo Li <lixiubo@...s.chinamobile.com>
Subject: [PATCHv2 2/2] 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@...s.chinamobile.com>
---
 drivers/base/regmap/regcache.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 3cb8c59..1c0210a 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();
 	}
-- 
1.8.3.1


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