On 07.06.21 16:12, Sascha Hauer wrote: > Return successfully from clk_set_rate() when the rate is already the > desired one. This prevents a failure in clk_set_rate() when the current > clock doesn't have a set_rate hook. > > Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > --- > drivers/clk/clk.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c > index 8b90f30486..ba726c342c 100644 > --- a/drivers/clk/clk.c > +++ b/drivers/clk/clk.c > @@ -169,6 +169,9 @@ int clk_set_rate(struct clk *clk, unsigned long rate) > if (IS_ERR(clk)) > return PTR_ERR(clk); > > + if (clk_get_rate(clk) == clk_round_rate(clk, rate)) > + return 0; > + > if (!clk->ops->set_rate) > return -ENOSYS; This means we can drop 459bf1fd31da ("ARM: clk: rk3188: don't set same clk rate twice"), right? -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox