Re: [PATCH V4 1/8] opp: of_init_opp_table(): return -ENOSYS when feature isn't implemented

From: Nishanth Menon
Date: Thu May 29 2014 - 18:20:31 EST


minor (Rafael usually fixes it up, but still):
$subject: PM / OPP:

On 05/27/2014 06:50 AM, Viresh Kumar wrote:
> When none of CONFIG_PM_OPP or CONFIG_OF is enabled we use the dummy
> implementation of of_init_opp_table() routine, which returns -EINVAL currently.
> -EINVAL can confuse the callers a bit as it can have other meanings for the
> actual implementation of this routine.
>
> It is more appropriate to return -ENOSYS instead to avoid confusion at caller.
>
> Suggested-and-reviewed-by: Sudeep Holla <sudeep.holla@xxxxxxx>
> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

otherwise,

Acked-by: Nishanth Menon <nm@xxxxxx>

> ---
> include/linux/pm_opp.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
> index 0330217..6668150 100644
> --- a/include/linux/pm_opp.h
> +++ b/include/linux/pm_opp.h
> @@ -112,7 +112,7 @@ int of_init_opp_table(struct device *dev);
> #else
> static inline int of_init_opp_table(struct device *dev)
> {
> - return -EINVAL;
> + return -ENOSYS;
> }
> #endif
>
>


--
Regards,
Nishanth Menon
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