linux-kernel - Re: [PATCH v2 04/20] drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c: remove I2C_CLASS

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Date:   Sat, 18 Nov 2023 22:49:51 +0100
From:   Jernej Škrabec <jernej.skrabec@...il.com>
To:     Wolfram Sang <wsa@...nel.org>, Maxime Ripard <mripard@...nel.org>,
        Heiner Kallweit <hkallweit1@...il.com>
Cc:     linux-i2c@...r.kernel.org, Heiner Kallweit <hkallweit1@...il.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Samuel Holland <samuel@...lland.org>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 04/20] drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c: remove
 I2C_CLASS_DDC support

Dne sobota, 18. november 2023 ob 18:42:04 CET je Heiner Kallweit napisal(a):
> After removal of the legacy EEPROM driver and I2C_CLASS_DDC support in
> olpc_dcon there's no i2c client driver left supporting I2C_CLASS_DDC.
> Class-based device auto-detection is a legacy mechanism and shouldn't
> be used in new code. So we can remove this class completely now.
> 
> Preferably this series should be applied via the i2c tree.
> 
> Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>

Acked-by: Jernej Skrabec <jernej.skrabec@...il.com>

Best regards,
Jernej

> 
> ---
>  drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c |    1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c
> index d1a65a921..f5f62eb0e 100644
> --- a/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c
> +++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c
> @@ -302,7 +302,6 @@ int sun4i_hdmi_i2c_create(struct device *dev, struct sun4i_hdmi *hdmi)
>  		return -ENOMEM;
>  
>  	adap->owner = THIS_MODULE;
> -	adap->class = I2C_CLASS_DDC;
>  	adap->algo = &sun4i_hdmi_i2c_algorithm;
>  	strscpy(adap->name, "sun4i_hdmi_i2c adapter", sizeof(adap->name));
>  	i2c_set_adapdata(adap, hdmi);
> 
>