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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /arch/arm/mach-davinci/clock.c
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'arch/arm/mach-davinci/clock.c')
-rw-r--r--arch/arm/mach-davinci/clock.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index c70bb0a4d..3caff9637 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -97,7 +97,9 @@ int clk_enable(struct clk *clk)
{
unsigned long flags;
- if (clk == NULL || IS_ERR(clk))
+ if (!clk)
+ return 0;
+ else if (IS_ERR(clk))
return -EINVAL;
spin_lock_irqsave(&clockfw_lock, flags);
@@ -124,7 +126,7 @@ EXPORT_SYMBOL(clk_disable);
unsigned long clk_get_rate(struct clk *clk)
{
if (clk == NULL || IS_ERR(clk))
- return -EINVAL;
+ return 0;
return clk->rate;
}
@@ -159,8 +161,10 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
unsigned long flags;
int ret = -EINVAL;
- if (clk == NULL || IS_ERR(clk))
- return ret;
+ if (!clk)
+ return 0;
+ else if (IS_ERR(clk))
+ return -EINVAL;
if (clk->set_rate)
ret = clk->set_rate(clk, rate);
@@ -181,7 +185,9 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
{
unsigned long flags;
- if (clk == NULL || IS_ERR(clk))
+ if (!clk)
+ return 0;
+ else if (IS_ERR(clk))
return -EINVAL;
/* Cannot change parent on enabled clock */