linux-kernel - Re: [PATCH v3] drm/bridge: Remove extra device acquisition method of i2c client in lt9611 driver

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Message-ID: <CAG3jFyuEpiSdzNQ9=U30Bvr4bC+diG3XJHX6Kz38Mw62a5YVGA@mail.gmail.com>
Date:   Mon, 17 Jan 2022 16:49:40 +0100
From:   Robert Foss <robert.foss@...aro.org>
To:     Zhiming Liu <lzmlzmhh@...il.com>
Cc:     narmstrong@...libre.com, laurent.pinchart@...asonboard.com,
        jonas@...boo.se, jernej.skrabec@...il.com, daniel@...ll.ch,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] drm/bridge: Remove extra device acquisition method of
 i2c client in lt9611 driver

Hey Zhiming,

On Mon, 17 Jan 2022 at 16:42, Zhiming Liu <lzmlzmhh@...il.com> wrote:
>
> drm/bridge: Remove extra device acquisition method of i2c client in lt9611 driver.

The commit title is already in the email title, it doesn't need to be
sent twice, sorry if I was unclear about this.

>
> We have got the device of i2c client in probe function.So we should remove extra

This line is too long, and `checkpatch.pl --strict` complains about its length.

> device acquisition method of i2c client.
>
> Signed-off-by: Zhiming Liu <lzmlzmhh@...il.com>
> ---
>  drivers/gpu/drm/bridge/lontium-lt9611.c    | 4 ++--
>  drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 4 ++--
>  2 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c
> index dafb1b47c15f..feb128a4557d 100644
> --- a/drivers/gpu/drm/bridge/lontium-lt9611.c
> +++ b/drivers/gpu/drm/bridge/lontium-lt9611.c
> @@ -1090,7 +1090,7 @@ static int lt9611_probe(struct i2c_client *client,
>         if (!lt9611)
>                 return -ENOMEM;
>
> -       lt9611->dev = &client->dev;
> +       lt9611->dev = dev;
>         lt9611->client = client;
>         lt9611->sleep = false;
>
> @@ -1100,7 +1100,7 @@ static int lt9611_probe(struct i2c_client *client,
>                 return PTR_ERR(lt9611->regmap);
>         }
>
> -       ret = lt9611_parse_dt(&client->dev, lt9611);
> +       ret = lt9611_parse_dt(dev, lt9611);
>         if (ret) {
>                 dev_err(dev, "failed to parse device tree\n");
>                 return ret;
> diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> index 33f9716da0ee..3d62e6bf6892 100644
> --- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> +++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> @@ -860,7 +860,7 @@ static int lt9611uxc_probe(struct i2c_client *client,
>         if (!lt9611uxc)
>                 return -ENOMEM;
>
> -       lt9611uxc->dev = &client->dev;
> +       lt9611uxc->dev = dev;
>         lt9611uxc->client = client;
>         mutex_init(&lt9611uxc->ocm_lock);
>
> @@ -870,7 +870,7 @@ static int lt9611uxc_probe(struct i2c_client *client,
>                 return PTR_ERR(lt9611uxc->regmap);
>         }
>
> -       ret = lt9611uxc_parse_dt(&client->dev, lt9611uxc);
> +       ret = lt9611uxc_parse_dt(dev, lt9611uxc);
>         if (ret) {
>                 dev_err(dev, "failed to parse device tree\n");
>                 return ret;
> --

I fixed the two remaining issues in your patch, but in the future I
would suggest running `checkpatch.pl --strict` on every patch before
emailing them out. It's very easy to miss something.

Reviewed-by: Robert Foss <robert.foss@...aro.org>

Applied to drm-misc-next.