[PATCH V2 08/11] opp: Add OPP sharing information to OPP library
Bartlomiej Zolnierkiewicz
b.zolnierkie at samsung.com
Mon Jul 27 07:48:59 PDT 2015
Hi,
Two very minor nits:
On Monday, July 27, 2015 10:32:38 AM Viresh Kumar wrote:
> An opp can be shared by multiple devices, for example its very common
> for CPUs to share the OPPs, i.e. when they share clock/voltage rails.
>
> This patch adds support of shared OPPs to the OPP library.
>
> Instead of a single device, dev_opp will not contain a list of devices
s/will not/will now/ ?
> that use it. It also senses if the device (we are trying to initialize
> OPPs for) shares OPPs with a device added earlier and in that case we
> update the list of devices managed by OPPs instead of duplicating OPPs
> again.
>
> The same infrastructure will be used for the old OPP bindings, with
> later patches.
>
> Reviewed-by: Stephen Boyd <sboyd at codeaurora.org>
> Signed-off-by: Viresh Kumar <viresh.kumar at linaro.org>
[...]
> +static struct device_list_opp *_add_list_dev(const struct device *dev,
> + struct device_opp *dev_opp)
> +{
> + struct device_list_opp *list_dev;
> +
> + list_dev = kzalloc(sizeof(*list_dev), GFP_KERNEL);
> + if (!list_dev)
> + return NULL;
> +
> + /* Initialize list-dev */
> + list_add_rcu(&list_dev->node, &dev_opp->dev_list);
> + list_dev->dev = dev;
Probably doesn't matter currently but how's about:
list_dev->dev = dev;
list_add_rcu(&list_dev->node, &dev_opp->dev_list);
?
> +
> + return list_dev;
> +}
Otherwise:
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie at samsung.com>
Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
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