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clk: Return -ENOSYS when system call is not available

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Update clk_composite_set_parent() to use -ENOSYS, which is the correct
error code for U-Boot. Also rearrange the code so that the error condition
is clearly indicated and the function runs to the end in the normal case,
since this is the common style in U-Boot.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Sean Anderson <seanga2@gmail.com>
This commit is contained in:
Simon Glass 2021-03-25 10:26:09 +13:00
parent 9042bf6fe4
commit 3bc11b983d
1 changed files with 4 additions and 4 deletions
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8
drivers/clk/clk-composite.c
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@ -37,10 +37,10 @@ static int clk_composite_set_parent(struct clk *clk, struct clk *parent)
const struct clk_ops *mux_ops = composite->mux_ops;
struct clk *mux = composite->mux;
if (mux && mux_ops)
return mux_ops->set_parent(mux, parent);
else
return -ENOTSUPP;
if (!mux || !mux_ops)
return -ENOSYS;
return mux_ops->set_parent(mux, parent);
}
static unsigned long clk_composite_recalc_rate(struct clk *clk)