Re: [PATCH] mips: lantiq: add support for clk_get_parent()

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On 15.11.21 02:20, Randy Dunlap wrote:
Provide a simple implementation of clk_get_parent() in the
lantiq subarch so that callers of it will build without errors.

Fixes this build error:
ERROR: modpost: "clk_get_parent" [drivers/iio/adc/ingenic-adc.ko] undefined!

Fixes: 171bb2f19ed6 ("MIPS: Lantiq: Add initial support for Lantiq SoCs")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Suggested-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx>
Cc: linux-mips@xxxxxxxxxxxxxxx
Cc: John Crispin <john@xxxxxxxxxxx>
Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
Cc: Jonathan Cameron <jic23@xxxxxxxxxx>
Cc: linux-iio@xxxxxxxxxxxxxxx
Cc: Russell King <linux@xxxxxxxxxxxxxxx>
Cc: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>

Acked-by: John Crispin <john@xxxxxxxxxxx>

// we added the same fix for mips/ralink a while back

---
  arch/mips/lantiq/clk.c |    6 ++++++
  1 file changed, 6 insertions(+)

--- linux-next-20211112.orig/arch/mips/lantiq/clk.c
+++ linux-next-20211112/arch/mips/lantiq/clk.c
@@ -158,6 +158,12 @@ void clk_deactivate(struct clk *clk)
  }
  EXPORT_SYMBOL(clk_deactivate);
+struct clk *clk_get_parent(struct clk *clk)
+{
+	return NULL;
+}
+EXPORT_SYMBOL(clk_get_parent);
+
  static inline u32 get_counter_resolution(void)
  {
  	u32 res;




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