Voting clocks are linked to the clock they vote on with a parent
pointer. Implement this API for sub drivers which wish to use it.
Reviewed-by: Saravana Kannan <skannan@xxxxxxxxxxxxxx>
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
---
arch/arm/mach-msm/clock.c | 2 ++
arch/arm/mach-msm/clock.h | 1 +
2 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-msm/clock.c b/arch/arm/mach-msm/clock.c
index 80e1d64..b6b7e7c 100644
--- a/arch/arm/mach-msm/clock.c
+++ b/arch/arm/mach-msm/clock.c
@@ -119,6 +119,8 @@ EXPORT_SYMBOL(clk_set_max_rate);
int clk_set_parent(struct clk *clk, struct clk *parent)
{
+ if (clk->ops->set_parent)
+ return clk->ops->set_parent(clk->id, parent);
return -ENOSYS;
}
EXPORT_SYMBOL(clk_set_parent);
diff --git a/arch/arm/mach-msm/clock.h b/arch/arm/mach-msm/clock.h
index 4dc8853..1a9fb72 100644
--- a/arch/arm/mach-msm/clock.h
+++ b/arch/arm/mach-msm/clock.h
@@ -46,6 +46,7 @@ struct clk_ops {
unsigned (*is_enabled)(unsigned id);
long (*round_rate)(unsigned id, unsigned rate);
bool (*is_local)(unsigned id);
+ int (*set_parent)(unsigned id, struct clk *parent);
};
struct clk {
--
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