mips: lantiq: add support for clk_set_parent()

Provide a simple implementation of clk_set_parent() in the lantiq
subarch so that callers of it will build without errors.

Fixes these build errors:

ERROR: modpost: "clk_set_parent" [sound/soc/jz4740/snd-soc-jz4740-i2s.ko] undefined!
ERROR: modpost: "clk_set_parent" [sound/soc/atmel/snd-soc-atmel-i2s.ko] undefined!

Fixes: 171bb2f19ed6 ("MIPS: Lantiq: Add initial support for Lantiq SoCs")
Signed-off-by: Randy Dunlap <[email protected]>
Reported-by: kernel test robot <[email protected]>
[email protected] --cc="John Crispin <[email protected]>" --cc="Jonathan Cameron <[email protected]>" --cc="Russell King <[email protected]>" --cc="Andy Shevchenko <[email protected]>" [email protected] --to="Thomas Bogendoerfer <[email protected]>"
Reviewed-by: Jonathan Cameron <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/mips/lantiq/clk.c b/arch/mips/lantiq/clk.c
index 4916cccf378f..7a623684d9b5 100644
--- a/arch/mips/lantiq/clk.c
+++ b/arch/mips/lantiq/clk.c
@@ -164,6 +164,12 @@ struct clk *clk_get_parent(struct clk *clk)
 }
 EXPORT_SYMBOL(clk_get_parent);
 
+int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+	return 0;
+}
+EXPORT_SYMBOL(clk_set_parent);
+
 static inline u32 get_counter_resolution(void)
 {
 	u32 res;