linux-kernel - Re: [RFC PATCH 11/12] media: pci: ivtv: convert to i2c_new_scanned

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Message-ID: <b1435694-2a22-5f9b-5519-8c42b71f0e8a@xs4all.nl>
Date:   Wed, 6 Nov 2019 12:21:47 +0100
From:   Hans Verkuil <hverkuil@...all.nl>
To:     Wolfram Sang <wsa+renesas@...g-engineering.com>,
        linux-i2c@...r.kernel.org
Cc:     Andy Walls <awalls@...metrocast.net>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 11/12] media: pci: ivtv: convert to
 i2c_new_scanned_device

On 11/6/19 10:50 AM, Wolfram Sang wrote:
> Move from the deprecated i2c_new_probed_device() to the new
> i2c_new_scanned_device(). Make use of the new ERRPTR if suitable. Change
> the legacy function to simply return void because the retval was never
> used anywhere.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>

Acked-by: Hans Verkuil <hverkuil-cisco@...all.nl>

Regards,

	Hans

> ---
> 
> Build tested only. RFC, please comment and/or ack, but don't apply yet.
> 
>  drivers/media/pci/ivtv/ivtv-i2c.c | 6 +++---
>  drivers/media/pci/ivtv/ivtv-i2c.h | 2 +-
>  2 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/media/pci/ivtv/ivtv-i2c.c b/drivers/media/pci/ivtv/ivtv-i2c.c
> index 0772d757a389..982045c4eea8 100644
> --- a/drivers/media/pci/ivtv/ivtv-i2c.c
> +++ b/drivers/media/pci/ivtv/ivtv-i2c.c
> @@ -208,12 +208,12 @@ static int ivtv_i2c_new_ir(struct ivtv *itv, u32 hw, const char *type, u8 addr)
>  	info.platform_data = init_data;
>  	strscpy(info.type, type, I2C_NAME_SIZE);
>  
> -	return i2c_new_probed_device(adap, &info, addr_list, NULL) == NULL ?
> +	return IS_ERR(i2c_new_scanned_device(adap, &info, addr_list, NULL)) ?
>  	       -1 : 0;
>  }
>  
>  /* Instantiate the IR receiver device using probing -- undesirable */
> -struct i2c_client *ivtv_i2c_new_ir_legacy(struct ivtv *itv)
> +void ivtv_i2c_new_ir_legacy(struct ivtv *itv)
>  {
>  	struct i2c_board_info info;
>  	/*
> @@ -235,7 +235,7 @@ struct i2c_client *ivtv_i2c_new_ir_legacy(struct ivtv *itv)
>  
>  	memset(&info, 0, sizeof(struct i2c_board_info));
>  	strscpy(info.type, "ir_video", I2C_NAME_SIZE);
> -	return i2c_new_probed_device(&itv->i2c_adap, &info, addr_list, NULL);
> +	i2c_new_scanned_device(&itv->i2c_adap, &info, addr_list, NULL);
>  }
>  
>  int ivtv_i2c_register(struct ivtv *itv, unsigned idx)
> diff --git a/drivers/media/pci/ivtv/ivtv-i2c.h b/drivers/media/pci/ivtv/ivtv-i2c.h
> index 462f73449a6e..2d9cdaa682c5 100644
> --- a/drivers/media/pci/ivtv/ivtv-i2c.h
> +++ b/drivers/media/pci/ivtv/ivtv-i2c.h
> @@ -9,7 +9,7 @@
>  #ifndef IVTV_I2C_H
>  #define IVTV_I2C_H
>  
> -struct i2c_client *ivtv_i2c_new_ir_legacy(struct ivtv *itv);
> +void ivtv_i2c_new_ir_legacy(struct ivtv *itv);
>  int ivtv_i2c_register(struct ivtv *itv, unsigned idx);
>  struct v4l2_subdev *ivtv_find_hw(struct ivtv *itv, u32 hw);
>  
>