linux-kernel - Re: [PATCH v4 00/20] remove I2C_CLASS

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Date:   Thu, 23 Nov 2023 09:19:25 +0100
From:   Thomas Zimmermann <tzimmermann@...e.de>
To:     Heiner Kallweit <hkallweit1@...il.com>,
        Wolfram Sang <wsa@...nel.org>, intel-gfx@...ts.freedesktop.org
Cc:     linux-i2c@...r.kernel.org,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Jonas Karlman <jonas@...boo.se>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        linux-fbdev@...r.kernel.org, amd-gfx@...ts.freedesktop.org,
        linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Jocelyn Falempe <jfalempe@...hat.com>,
        linux-sunxi@...ts.linux.dev, linux-mediatek@...ts.infradead.org,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
        Xinwei Kong <kong.kongxinwei@...ilicon.com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Yongqin Liu <yongqin.liu@...aro.org>,
        John Stultz <jstultz@...gle.com>
Subject: Re: [PATCH v4 00/20] remove I2C_CLASS_DDC support

Hi

Am 23.11.23 um 08:16 schrieb Heiner Kallweit:
> On 23.11.2023 07:56, Thomas Zimmermann wrote:
>> Hi
>>
>> Am 20.11.23 um 22:46 schrieb Heiner Kallweit:
>>> 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.
>>>
>>> v2:
>>> - change tag in commit subject of patch 03
>>> - add ack tags
>>> v3:
>>> - fix a compile error in patch 5
>>> v4:
>>> - more ack and review tags
>>>
>>> Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
>>
>> Acked-by: Thomas Zimmermann <tzimmermann@...e.de>
>>
>> for the patches that don't already have my r-b.
>>
> This refers to which patches of the series?
> Patches 8, 16, 18 are the remaining ones w/o A-b or R-b.

I've looked through the patchset. Feel free to add my a-b to patches 1 
to 19; except for 2 and 17, which already have my r-b.

BTW I only received 19 patches. is there a patch 20/20?

Best regards
Thomas

> 
>> Best regards
>> Thomas
>>
> Thanks, Heiner
> 
>>>
>>> ---
>>>
>>>    drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c           |    1 -
>>>    drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c |    1 -
>>>    drivers/gpu/drm/ast/ast_i2c.c                     |    1 -
>>>    drivers/gpu/drm/bridge/synopsys/dw-hdmi.c         |    1 -
>>>    drivers/gpu/drm/display/drm_dp_helper.c           |    1 -
>>>    drivers/gpu/drm/display/drm_dp_mst_topology.c     |    1 -
>>>    drivers/gpu/drm/gma500/cdv_intel_dp.c             |    1 -
>>>    drivers/gpu/drm/gma500/intel_gmbus.c              |    1 -
>>>    drivers/gpu/drm/gma500/oaktrail_hdmi_i2c.c        |    1 -
>>>    drivers/gpu/drm/gma500/psb_intel_sdvo.c           |    1 -
>>>    drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_i2c.c   |    1 -
>>>    drivers/gpu/drm/i915/display/intel_gmbus.c        |    1 -
>>>    drivers/gpu/drm/i915/display/intel_sdvo.c         |    1 -
>>>    drivers/gpu/drm/loongson/lsdc_i2c.c               |    1 -
>>>    drivers/gpu/drm/mediatek/mtk_hdmi_ddc.c           |    1 -
>>>    drivers/gpu/drm/mgag200/mgag200_i2c.c             |    1 -
>>>    drivers/gpu/drm/msm/hdmi/hdmi_i2c.c               |    1 -
>>>    drivers/gpu/drm/radeon/radeon_i2c.c               |    1 -
>>>    drivers/gpu/drm/rockchip/inno_hdmi.c              |    1 -
>>>    drivers/gpu/drm/rockchip/rk3066_hdmi.c            |    1 -
>>>    drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c            |    1 -
>>>    drivers/video/fbdev/core/fb_ddc.c                 |    1 -
>>>    drivers/video/fbdev/cyber2000fb.c                 |    1 -
>>>    drivers/video/fbdev/i740fb.c                      |    1 -
>>>    drivers/video/fbdev/intelfb/intelfb_i2c.c         |   15 +++++----------
>>>    drivers/video/fbdev/matrox/i2c-matroxfb.c         |   12 ++++--------
>>>    drivers/video/fbdev/s3fb.c                        |    1 -
>>>    drivers/video/fbdev/tdfxfb.c                      |    1 -
>>>    drivers/video/fbdev/tridentfb.c                   |    1 -
>>>    drivers/video/fbdev/via/via_i2c.c                 |    1 -
>>>    include/linux/i2c.h                               |    1 -
>>>    31 files changed, 9 insertions(+), 47 deletions(-)
>>
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)

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