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| author | Daniel Thompson <daniel.thompson@linaro.org> | 2015-06-10 22:04:54 +0200 |
|---|---|---|
| committer | Stephen Boyd <sboyd@codeaurora.org> | 2015-06-10 23:19:43 +0200 |
| commit | 3037e9ea780027d41baaaabb68a749e49e7c8260 (patch) | |
| tree | 84af70ca39344f3446e196ff0bd0929e9481eaa7 /drivers/clk/clk-fixed-factor.c | |
| parent | clk: cdce925: Fix printk size_t warning (diff) | |
| download | linux-3037e9ea780027d41baaaabb68a749e49e7c8260.tar.xz linux-3037e9ea780027d41baaaabb68a749e49e7c8260.zip | |
clk: fixed: Add comment to clk_fixed_set_rate
Currently it is not made explicit why clk_fixed_set_rate() can ignore
its arguments and unconditionally return success. Add a comment
to explain this.
We also mark the clk_ops table const since it should never be
modified at runtime.
Suggested-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk/clk-fixed-factor.c')
| -rw-r--r-- | drivers/clk/clk-fixed-factor.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c index e186db263d5e..fccabe497f6e 100644 --- a/drivers/clk/clk-fixed-factor.c +++ b/drivers/clk/clk-fixed-factor.c @@ -55,10 +55,16 @@ static long clk_factor_round_rate(struct clk_hw *hw, unsigned long rate, static int clk_factor_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { + /* + * We must report success but we can do so unconditionally because + * clk_factor_round_rate returns values that ensure this call is a + * nop. + */ + return 0; } -struct clk_ops clk_fixed_factor_ops = { +const struct clk_ops clk_fixed_factor_ops = { .round_rate = clk_factor_round_rate, .set_rate = clk_factor_set_rate, .recalc_rate = clk_factor_recalc_rate, |