diff options
| author | Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> | 2020-05-07 20:18:41 +0300 |
|---|---|---|
| committer | Alexey Brodkin <abrodkin@synopsys.com> | 2020-05-13 18:09:26 +0300 |
| commit | c6988688eefe985e4aca78488c424b9e09263da1 (patch) | |
| tree | 215872b8d389a1d8382b30d428a444860cf0c005 /drivers/clk/clk-hsdk-cgu.c | |
| parent | debfe3844502d3a2d7a10c6bb21b5f43a3f1d249 (diff) | |
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 <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Diffstat (limited to 'drivers/clk/clk-hsdk-cgu.c')
| -rw-r--r-- | drivers/clk/clk-hsdk-cgu.c | 5 |
1 files changed, 4 insertions, 1 deletions
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) |