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authorAxel Lin <axel.lin@gmail.com>2012-09-20 09:32:53 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-09-26 14:04:09 -0700
commite0f21e6d52cc245e7d4f7e02ca4b7b6571660ec2 (patch)
treefd4744e4d93c0530730c0ed07c3782483ee16c36 /drivers/memory
parent0a18b05043acc01d1d6a4bac459e62c79628881c (diff)
downloadlinux-e0f21e6d52cc245e7d4f7e02ca4b7b6571660ec2.tar.bz2
memory: tegra{20,30}-mc: Fix reading incorrect register in mc_readl()
The code reading the register does not match the code writing to the register, fix it. Also fix the coding style in mc_writel() for better readability. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Stephen Warren <swarren@nvidia.com> Tested-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/memory')
-rw-r--r--drivers/memory/tegra20-mc.c10
-rw-r--r--drivers/memory/tegra30-mc.c22
2 files changed, 10 insertions, 22 deletions
diff --git a/drivers/memory/tegra20-mc.c b/drivers/memory/tegra20-mc.c
index 3ed49c1c2b91..e6764bb41cb9 100644
--- a/drivers/memory/tegra20-mc.c
+++ b/drivers/memory/tegra20-mc.c
@@ -57,7 +57,7 @@ static inline u32 mc_readl(struct tegra20_mc *mc, u32 offs)
if (offs < 0x24)
val = readl(mc->regs[0] + offs);
- if (offs < 0x400)
+ else if (offs < 0x400)
val = readl(mc->regs[1] + offs - 0x3c);
return val;
@@ -65,14 +65,10 @@ static inline u32 mc_readl(struct tegra20_mc *mc, u32 offs)
static inline void mc_writel(struct tegra20_mc *mc, u32 val, u32 offs)
{
- if (offs < 0x24) {
+ if (offs < 0x24)
writel(val, mc->regs[0] + offs);
- return;
- }
- if (offs < 0x400) {
+ else if (offs < 0x400)
writel(val, mc->regs[1] + offs - 0x3c);
- return;
- }
}
static const char * const tegra20_mc_client[] = {
diff --git a/drivers/memory/tegra30-mc.c b/drivers/memory/tegra30-mc.c
index e56ff04eb5cc..802b9ea431fa 100644
--- a/drivers/memory/tegra30-mc.c
+++ b/drivers/memory/tegra30-mc.c
@@ -95,11 +95,11 @@ static inline u32 mc_readl(struct tegra30_mc *mc, u32 offs)
if (offs < 0x10)
val = readl(mc->regs[0] + offs);
- if (offs < 0x1f0)
+ else if (offs < 0x1f0)
val = readl(mc->regs[1] + offs - 0x3c);
- if (offs < 0x228)
+ else if (offs < 0x228)
val = readl(mc->regs[2] + offs - 0x200);
- if (offs < 0x400)
+ else if (offs < 0x400)
val = readl(mc->regs[3] + offs - 0x284);
return val;
@@ -107,22 +107,14 @@ static inline u32 mc_readl(struct tegra30_mc *mc, u32 offs)
static inline void mc_writel(struct tegra30_mc *mc, u32 val, u32 offs)
{
- if (offs < 0x10) {
+ if (offs < 0x10)
writel(val, mc->regs[0] + offs);
- return;
- }
- if (offs < 0x1f0) {
+ else if (offs < 0x1f0)
writel(val, mc->regs[1] + offs - 0x3c);
- return;
- }
- if (offs < 0x228) {
+ else if (offs < 0x228)
writel(val, mc->regs[2] + offs - 0x200);
- return;
- }
- if (offs < 0x400) {
+ else if (offs < 0x400)
writel(val, mc->regs[3] + offs - 0x284);
- return;
- }
}
static const char * const tegra30_mc_client[] = {