diff options
| author | Rajendra Nayak <rnayak@ti.com> | 2012-03-26 17:31:48 +0400 |
|---|---|---|
| committer | Mike Turquette <mturquette@linaro.org> | 2012-04-25 03:37:39 +0400 |
| commit | 34e44fe87437b6a5aad856f15f7a849e5fc137aa (patch) | |
| tree | 73b599e531184469cc3478033b82610afbe951f1 /drivers/clk | |
| parent | bffad66e31fe9d94cd096f2e4de7c683e1ae32ef (diff) | |
| download | linux-34e44fe87437b6a5aad856f15f7a849e5fc137aa.tar.xz | |
clk: Make clk_get_rate() return 0 on error
Most users of clk_get_rate() actually assume a non zero
return value as a valid rate returned. Returing -EINVAL
might confuse such users, so make it instead return zero
on error.
Besides the return value of clk_get_rate seems to be
'unsigned long'.
Signed-off-by: Rajendra nayak <rnayak@ti.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/clk.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 9924aec17aad..a24b121747ac 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -285,7 +285,7 @@ unsigned long __clk_get_rate(struct clk *clk) unsigned long ret; if (!clk) { - ret = -EINVAL; + ret = 0; goto out; } @@ -295,7 +295,7 @@ unsigned long __clk_get_rate(struct clk *clk) goto out; if (!clk->parent) - ret = -ENODEV; + ret = 0; out: return ret; @@ -560,7 +560,7 @@ EXPORT_SYMBOL_GPL(clk_enable); * @clk: the clk whose rate is being returned * * Simply returns the cached rate of the clk. Does not query the hardware. If - * clk is NULL then returns -EINVAL. + * clk is NULL then returns 0. */ unsigned long clk_get_rate(struct clk *clk) { |