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 --- drivers/clk/clk-hsdk-cgu.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/clk-hsdk-cgu.c b/drivers/clk/clk-hsdk-cgu.c index 6aba4587a44..dd665b13587 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)