On 25/10/2015 23:21, Hauke Mehrtens wrote:
> This adds a basic implementation of clk_round_rate()
> The clk_round_rate() function is called by multiple drivers and
> subsystems now and the lantiq clk driver is supposed to export this,
> but doesn't do so, this causes linking problems like this one:
> ERROR: "clk_round_rate" [drivers/media/v4l2-core/videodev.ko] undefined!
>
> Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx> # 4.1+
Acked-by: John Crispin <blogic@xxxxxxxxxxx>
> ---
> arch/mips/lantiq/clk.c | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/arch/mips/lantiq/clk.c b/arch/mips/lantiq/clk.c
> index 3fc2e6d..a0706fd 100644
> --- a/arch/mips/lantiq/clk.c
> +++ b/arch/mips/lantiq/clk.c
> @@ -99,6 +99,23 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
> }
> EXPORT_SYMBOL(clk_set_rate);
>
> +long clk_round_rate(struct clk *clk, unsigned long rate)
> +{
> + if (unlikely(!clk_good(clk)))
> + return 0;
> + if (clk->rates && *clk->rates) {
> + unsigned long *r = clk->rates;
> +
> + while (*r && (*r != rate))
> + r++;
> + if (!*r) {
> + return clk->rate;
> + }
> + }
> + return rate;
> +}
> +EXPORT_SYMBOL(clk_round_rate);
> +
> int clk_enable(struct clk *clk)
> {
> if (unlikely(!clk_good(clk)))
>
