aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/plat-samsung
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/plat-samsung')
-rw-r--r--arch/arm/plat-samsung/clock-clksrc.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/arm/plat-samsung/clock-clksrc.c b/arch/arm/plat-samsung/clock-clksrc.c
index 33c633a8be8..98c6b8859f4 100644
--- a/arch/arm/plat-samsung/clock-clksrc.c
+++ b/arch/arm/plat-samsung/clock-clksrc.c
@@ -129,11 +129,16 @@ void __init_or_cpufreq s3c_set_clksrc(struct clksrc_clk *clk, bool announce)
{
struct clksrc_sources *srcs = clk->sources;
u32 mask = bit_mask(clk->reg_src.shift, clk->reg_src.size);
- u32 clksrc = 0;
+ u32 clksrc;
- if (clk->reg_src.reg)
- clksrc = __raw_readl(clk->reg_src.reg);
+ if (!clk->reg_src.reg) {
+ if (!clk->clk.parent)
+ printk(KERN_ERR "%s: no parent clock specified\n",
+ clk->clk.name);
+ return;
+ }
+ clksrc = __raw_readl(clk->reg_src.reg);
clksrc &= mask;
clksrc >>= clk->reg_src.shift;