linux-kernel - Re: [PATCH] devfreq: Use of_node_name

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Date:   Wed, 13 Feb 2019 10:09:53 -0600
From:   Rob Herring <robh@...nel.org>
To:     devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Cc:     Chanwoo Choi <cw00.choi@...sung.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        "open list:THERMAL" <linux-pm@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-samsung-soc <linux-samsung-soc@...r.kernel.org>
Subject: Re: [PATCH] devfreq: Use of_node_name_eq for node name comparisons

On Wed, Dec 5, 2018 at 1:50 PM Rob Herring <robh@...nel.org> 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@...sung.com>
> Cc: MyungJoo Ham <myungjoo.ham@...sung.com>
> Cc: Kyungmin Park <kyungmin.park@...sung.com>
> Cc: Kukjin Kim <kgene@...nel.org>
> Cc: Krzysztof Kozlowski <krzk@...nel.org>
> Cc: linux-pm@...r.kernel.org
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: linux-samsung-soc@...r.kernel.org
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
>  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
>