From c6988688eefe985e4aca78488c424b9e09263da1 Mon Sep 17 00:00:00 2001 From: Eugeniy Paltsev Date: Thu, 7 May 2020 20:18:41 +0300 Subject: CLK: ARC: HSDK: make set_clock optional We don't want to allow change some clocks, i.e. DDR clock. So allow to have set_clock to be unset in clock map. Signed-off-by: Eugeniy Paltsev Signed-off-by: Alexey Brodkin --- drivers/clk/clk-hsdk-cgu.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/clk/clk-hsdk-cgu.c') diff --git a/drivers/clk/clk-hsdk-cgu.c b/drivers/clk/clk-hsdk-cgu.c index 6aba4587a4..dd665b1358 100644 --- a/drivers/clk/clk-hsdk-cgu.c +++ b/drivers/clk/clk-hsdk-cgu.c @@ -662,7 +662,10 @@ static ulong hsdk_cgu_set_rate(struct clk *sclk, ulong rate) if (hsdk_prepare_clock_tree_branch(sclk)) return -EINVAL; - return clk->map[sclk->id].set_rate(sclk, rate); + if (clk->map[sclk->id].set_rate) + return clk->map[sclk->id].set_rate(sclk, rate); + + return -ENOTSUPP; } static int hsdk_cgu_disable(struct clk *sclk) -- cgit