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authorHiroshi DOYU <hdoyu@nvidia.com>2012-05-11 13:04:45 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-05-11 15:21:27 -0700
commitb37fd4154e758c7226fda663e2ea3a97c6e8c732 (patch)
tree78cc112a60154ce5954ea89ebd7fe4a1448e7e52 /drivers/memory/tegra30-mc.c
parent0c733a427c430b54a6fa574fbc6e96baf7b9202f (diff)
downloadlinux-b37fd4154e758c7226fda663e2ea3a97c6e8c732.tar.gz
ARM: tegra30: MC: Remove unnecessary BUG*()
Accessing interleaved MC register offsets/ranges are verified. BUG*()s
in accessors can be removed.

Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/memory/tegra30-mc.c')
-rw-r--r--drivers/memory/tegra30-mc.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/memory/tegra30-mc.c b/drivers/memory/tegra30-mc.c
index c9821258117a..ec9fc7894801 100644
--- a/drivers/memory/tegra30-mc.c
+++ b/drivers/memory/tegra30-mc.c
@@ -91,18 +91,18 @@ struct tegra30_mc {
 
 static inline u32 mc_readl(struct tegra30_mc *mc, u32 offs)
 {
+	u32 val = 0;
+
 	if (offs < 0x10)
-		return readl(mc->regs[0] + offs);
-	BUG_ON(offs < 0x3c);
+		val = readl(mc->regs[0] + offs);
 	if (offs < 0x1f0)
-		return readl(mc->regs[1] + offs - 0x3c);
-	BUG_ON(offs < 0x200);
+		val = readl(mc->regs[1] + offs - 0x3c);
 	if (offs < 0x228)
-		return readl(mc->regs[2] + offs - 0x200);
-	BUG_ON(offs < 0x284);
+		val = readl(mc->regs[2] + offs - 0x200);
 	if (offs < 0x400)
-		return readl(mc->regs[3] + offs - 0x284);
-	BUG();
+		val = readl(mc->regs[3] + offs - 0x284);
+
+	return val;
 }
 
 static inline void mc_writel(struct tegra30_mc *mc, u32 val, u32 offs)
@@ -111,22 +111,18 @@ static inline void mc_writel(struct tegra30_mc *mc, u32 val, u32 offs)
 		writel(val, mc->regs[0] + offs);
 		return;
 	}
-	BUG_ON(offs < 0x3c);
 	if (offs < 0x1f0) {
 		writel(val, mc->regs[1] + offs - 0x3c);
 		return;
 	}
-	BUG_ON(offs < 0x200);
 	if (offs < 0x228) {
 		writel(val, mc->regs[2] + offs - 0x200);
 		return;
 	}
-	BUG_ON(offs < 0x284);
 	if (offs < 0x400) {
 		writel(val, mc->regs[3] + offs - 0x284);
 		return;
 	}
-	BUG();
 }
 
 static const char * const tegra30_mc_client[] = {