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SubjectRe: [PATCH V3 01/10] PM / Domains: Rename genpd virtual devices as virt_dev
On 25 October 2018 at 07:52, Viresh Kumar <viresh.kumar@linaro.org> wrote:
> There are several struct device instances that genpd core handles. The
> most common one is the consumer device structure, which is named
> (correctly) as "dev" within genpd core. The second one is the genpd's
> device structure, referenced as genpd->dev. The third one is the virtual
> device structures created by the genpd core to represent the consumer
> device for multiple power domain case, currently named as genpd_dev. The
> naming of these virtual devices isn't very clear or readable and it
> looks more like the genpd->dev.
>
> Rename the virtual device instances within the genpd core as "virt_dev".
>
> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

Thanks, this make the code more clear!

Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>

Kind regards
Uffe

> ---
> drivers/base/power/domain.c | 26 +++++++++++++-------------
> 1 file changed, 13 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
> index 7f38a92b444a..fe9b0527b161 100644
> --- a/drivers/base/power/domain.c
> +++ b/drivers/base/power/domain.c
> @@ -2338,7 +2338,7 @@ EXPORT_SYMBOL_GPL(genpd_dev_pm_attach);
> struct device *genpd_dev_pm_attach_by_id(struct device *dev,
> unsigned int index)
> {
> - struct device *genpd_dev;
> + struct device *virt_dev;
> int num_domains;
> int ret;
>
> @@ -2352,31 +2352,31 @@ struct device *genpd_dev_pm_attach_by_id(struct device *dev,
> return NULL;
>
> /* Allocate and register device on the genpd bus. */
> - genpd_dev = kzalloc(sizeof(*genpd_dev), GFP_KERNEL);
> - if (!genpd_dev)
> + virt_dev = kzalloc(sizeof(*virt_dev), GFP_KERNEL);
> + if (!virt_dev)
> return ERR_PTR(-ENOMEM);
>
> - dev_set_name(genpd_dev, "genpd:%u:%s", index, dev_name(dev));
> - genpd_dev->bus = &genpd_bus_type;
> - genpd_dev->release = genpd_release_dev;
> + dev_set_name(virt_dev, "genpd:%u:%s", index, dev_name(dev));
> + virt_dev->bus = &genpd_bus_type;
> + virt_dev->release = genpd_release_dev;
>
> - ret = device_register(genpd_dev);
> + ret = device_register(virt_dev);
> if (ret) {
> - kfree(genpd_dev);
> + kfree(virt_dev);
> return ERR_PTR(ret);
> }
>
> /* Try to attach the device to the PM domain at the specified index. */
> - ret = __genpd_dev_pm_attach(genpd_dev, dev->of_node, index, false);
> + ret = __genpd_dev_pm_attach(virt_dev, dev->of_node, index, false);
> if (ret < 1) {
> - device_unregister(genpd_dev);
> + device_unregister(virt_dev);
> return ret ? ERR_PTR(ret) : NULL;
> }
>
> - pm_runtime_enable(genpd_dev);
> - genpd_queue_power_off_work(dev_to_genpd(genpd_dev));
> + pm_runtime_enable(virt_dev);
> + genpd_queue_power_off_work(dev_to_genpd(virt_dev));
>
> - return genpd_dev;
> + return virt_dev;
> }
> EXPORT_SYMBOL_GPL(genpd_dev_pm_attach_by_id);
>
> --
> 2.19.1.568.g152ad8e3369a
>

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