[v2,1/3] ARM: davinci: normalize clk API

Commit Message

Arnd Bergmann July 21, 2017, 3:22 p.m. UTC

davinci still has its own clk implementation, but lacks
a clk_get_parent() helper, which can lead to link errors
in randconfig builds.

This adds the usual implementation.

Acked-by: Sekhar Nori <[e-mail]>
Signed-off-by: Arnd Bergmann <[e-mail]>
---
 arch/arm/mach-davinci/clock.c | 9 +++++++++
 1 file changed, 9 insertions(+)

Patch

diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index f5dce9b4e617..f77a4f766050 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -218,6 +218,15 @@  int clk_set_parent(struct clk *clk, struct clk *parent)
 }
 EXPORT_SYMBOL(clk_set_parent);
 
+struct clk *clk_get_parent(struct clk *clk)
+{
+	if (!clk)
+		return NULL;
+
+	return clk->parent;
+}
+EXPORT_SYMBOL(clk_get_parent);
+
 int clk_register(struct clk *clk)
 {
 	if (clk == NULL || IS_ERR(clk))