Commit af7651e6 authored by Codrin Ciubotariu's avatar Codrin Ciubotariu Committed by Stephen Boyd
Browse files

clk: at91: clk-generated: Limit the requested rate to our range 



On clk_generated_determine_rate(), the requested rate could be outside
of clk's range. Limit the rate to the clock's range to not return an
error.

Fixes: df70aeef ("clk: at91: add generated clock driver")
Signed-off-by: default avatarCodrin Ciubotariu <codrin.ciubotariu@microchip.com>
Link: https://lore.kernel.org/r/20210707131213.3283509-1-codrin.ciubotariu@microchip.com


Acked-by: default avatarNicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent e73f0f0e

drivers/clk/at91/clk-generated.c

+6 −0
Original line number Diff line number Diff line
@@ -128,6 +128,12 @@ static int clk_generated_determine_rate(struct clk_hw *hw, 
	int i;

	u32 div;



	/* do not look for a rate that is outside of our range */

	if (gck->range.max && req->rate > gck->range.max)

		req->rate = gck->range.max;

	if (gck->range.min && req->rate < gck->range.min)

		req->rate = gck->range.min;



	for (i = 0; i < clk_hw_get_num_parents(hw); i++) {

		if (gck->chg_pid == i)

			continue;