s3c_set_clksrc() updates the clock source as per u-boot settings.
This patch adds the functionality to overwrite u-boot settings,
if user provides the clock parent field. In case of wrong source
provided by the user, it will retain the u-boot settings.
Signed-off-by: Shaik Ameer Basha <shaik.ameer@xxxxxxxxxxx>
---
arch/arm/plat-samsung/clock-clksrc.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/arm/plat-samsung/clock-clksrc.c b/arch/arm/plat-samsung/clock-clksrc.c
index 786a410..4fecd80 100644
--- a/arch/arm/plat-samsung/clock-clksrc.c
+++ b/arch/arm/plat-samsung/clock-clksrc.c
@@ -150,7 +150,12 @@ void __init_or_cpufreq s3c_set_clksrc(struct clksrc_clk *clk, bool announce)
return;
}
- clk->clk.parent = srcs->sources[clksrc];
+ if (clk->clk.parent) {
+ if (s3c_setparent_clksrc(&clk->clk, clk->clk.parent))
+ clk->clk.parent = srcs->sources[clksrc];
+ } else {
+ clk->clk.parent = srcs->sources[clksrc];
+ }
if (announce)
printk(KERN_INFO "%s: source is %s (%d), rate is %ld\n",
--
1.7.9.5
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