From 9a5d59dfc6475c4770bf702e4f30e338499310fd Mon Sep 17 00:00:00 2001 From: Claudiu Beznea Date: Mon, 7 Sep 2020 17:46:35 +0300 Subject: clk: do not disable clock if it is critical Do not disable clock if it is a critical one. Signed-off-by: Claudiu Beznea Reviewed-by: Simon Glass --- drivers/clk/clk-uclass.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/clk') diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c index 5e0c8419d6..b8538f342a 100644 --- a/drivers/clk/clk-uclass.c +++ b/drivers/clk/clk-uclass.c @@ -606,6 +606,9 @@ int clk_disable(struct clk *clk) if (CONFIG_IS_ENABLED(CLK_CCF)) { if (clk->id && !clk_get_by_id(clk->id, &clkp)) { + if (clkp->flags & CLK_IS_CRITICAL) + return 0; + if (clkp->enable_count == 0) { printf("clk %s already disabled\n", clkp->dev->name); -- cgit v1.2.3