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SubjectRe: [PATCH 4/8] drivers: media: i2c: fix warning same module names
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On 6/6/19 11:47 AM, Anders Roxell wrote:
> When building with CONFIG_VIDEO_ADV7511 and CONFIG_DRM_I2C_ADV7511
> enabled as loadable modules, we see the following warning:
>
> warning: same module names found:
> drivers/gpu/drm/bridge/adv7511/adv7511.ko
> drivers/media/i2c/adv7511.ko
>
> Rework so the names matches the config fragment.
>
> Signed-off-by: Anders Roxell <anders.roxell@linaro.org>

Change it in media, not in drm. The v4l2 adv7511 is rarely used, so it
makes sense to rename that, and not this drm driver.

> ---
> This is only one issue that have been addressed.
> The other issue is that itseems to refer to the same device name in
> i2c_device_id, any guidance how that should be solved?

You should never have both modules loaded. In fact, I think it is a good
idea to disable VIDEO_ADV7511 if DRM_I2C_ADV7511 is set in the Kconfig,
unless TEST_COMPILE is also set.

Regards,

Hans

>
>
> Cheers,
> Anders
>
> drivers/gpu/drm/bridge/adv7511/Makefile | 10 +++++-----
> drivers/media/i2c/Makefile | 3 ++-
> 2 files changed, 7 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/adv7511/Makefile b/drivers/gpu/drm/bridge/adv7511/Makefile
> index b46ebeb35fd4..e367426bd73e 100644
> --- a/drivers/gpu/drm/bridge/adv7511/Makefile
> +++ b/drivers/gpu/drm/bridge/adv7511/Makefile
> @@ -1,6 +1,6 @@
> # SPDX-License-Identifier: GPL-2.0-only
> -adv7511-y := adv7511_drv.o
> -adv7511-$(CONFIG_DRM_I2C_ADV7511_AUDIO) += adv7511_audio.o
> -adv7511-$(CONFIG_DRM_I2C_ADV7511_CEC) += adv7511_cec.o
> -adv7511-$(CONFIG_DRM_I2C_ADV7533) += adv7533.o
> -obj-$(CONFIG_DRM_I2C_ADV7511) += adv7511.o
> +drm-i2c-adv7511-y := adv7511_drv.o
> +drm-i2c-adv7511-$(CONFIG_DRM_I2C_ADV7511_AUDIO) += adv7511_audio.o
> +drm-i2c-adv7511-$(CONFIG_DRM_I2C_ADV7511_CEC) += adv7511_cec.o
> +drm-i2c-adv7511-$(CONFIG_DRM_I2C_ADV7533) += adv7533.o
> +obj-$(CONFIG_DRM_I2C_ADV7511) += drm-i2c-adv7511.o
> diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
> index d8ad9dad495d..b71a427a89fd 100644
> --- a/drivers/media/i2c/Makefile
> +++ b/drivers/media/i2c/Makefile
> @@ -35,7 +35,8 @@ obj-$(CONFIG_VIDEO_ADV748X) += adv748x/
> obj-$(CONFIG_VIDEO_ADV7604) += adv7604.o
> obj-$(CONFIG_VIDEO_ADV7842) += adv7842.o
> obj-$(CONFIG_VIDEO_AD9389B) += ad9389b.o
> -obj-$(CONFIG_VIDEO_ADV7511) += adv7511.o
> +obj-$(CONFIG_VIDEO_ADV7511) += video-adv7511.o
> +video-adv7511-objs := adv7511.o
> obj-$(CONFIG_VIDEO_VPX3220) += vpx3220.o
> obj-$(CONFIG_VIDEO_VS6624) += vs6624.o
> obj-$(CONFIG_VIDEO_BT819) += bt819.o
>

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