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

[John Crispin]

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;