Re: [PATCH] devfreq: Use of_node_name_eq for node name comparisons

From: Rob Herring
Date: Wed Feb 13 2019 - 11:10:10 EST


On Wed, Dec 5, 2018 at 1:50 PM Rob Herring <robh@xxxxxxxxxx> wrote:
>
> Convert string compares of DT node names to use of_node_name_eq helper
> instead. This removes direct access to the node name pointer.
>
> For instances using of_node_cmp, this has the side effect of now using
> case sensitive comparisons. This should not matter for any FDT based
> system which all of these are.
>
> Cc: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
> Cc: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx>
> Cc: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> Cc: Kukjin Kim <kgene@xxxxxxxxxx>
> Cc: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> Cc: linux-pm@xxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-samsung-soc@xxxxxxxxxxxxxxx
> Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
> ---
> drivers/devfreq/devfreq-event.c | 2 +-
> drivers/devfreq/event/exynos-ppmu.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)

Can someone apply this please.

>
> diff --git a/drivers/devfreq/devfreq-event.c b/drivers/devfreq/devfreq-event.c
> index d67242d87744..87e93406d7cd 100644
> --- a/drivers/devfreq/devfreq-event.c
> +++ b/drivers/devfreq/devfreq-event.c
> @@ -240,7 +240,7 @@ struct devfreq_event_dev *devfreq_event_get_edev_by_phandle(struct device *dev,
> }
>
> list_for_each_entry(edev, &devfreq_event_list, node) {
> - if (!strcmp(edev->desc->name, node->name))
> + if (of_node_name_eq(node, edev->desc->name))
> goto out;
> }
> edev = NULL;
> diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c
> index c61de0bdf053..c2ea94957501 100644
> --- a/drivers/devfreq/event/exynos-ppmu.c
> +++ b/drivers/devfreq/event/exynos-ppmu.c
> @@ -529,7 +529,7 @@ static int of_get_devfreq_events(struct device_node *np,
> if (!ppmu_events[i].name)
> continue;
>
> - if (!of_node_cmp(node->name, ppmu_events[i].name))
> + if (of_node_name_eq(node, ppmu_events[i].name))
> break;
> }
>
> --
> 2.19.1
>