linux-kernel - Re: [PATCH RESEND] gpu: drm: bridge: analogix-anx78xx: convert to i2c_new_dummy

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Date:   Thu, 10 Oct 2019 09:04:50 +0200
From:   Andrzej Hajda <a.hajda@...sung.com>
To:     Wolfram Sang <wsa+renesas@...g-engineering.com>,
        dri-devel@...ts.freedesktop.org
Cc:     linux-i2c@...r.kernel.org,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND] gpu: drm: bridge: analogix-anx78xx: convert to
 i2c_new_dummy_device

On 08.10.2019 22:31, Wolfram Sang wrote:
> Move from the deprecated i2c_new_dummy() to i2c_new_dummy_device(). We
> now get an ERRPTR which we use in error handling.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>


Brian's patch is already applied.


Regards

Andrzej


> ---
>
> Rebased to v5.4-rc2 since last time. One of the last two users of the
> old API, so please apply soon, so I can remove the old interface. Only
> build tested.
>
>  drivers/gpu/drm/bridge/analogix-anx78xx.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/analogix-anx78xx.c b/drivers/gpu/drm/bridge/analogix-anx78xx.c
> index 3c7cc5af735c..be7756280e41 100644
> --- a/drivers/gpu/drm/bridge/analogix-anx78xx.c
> +++ b/drivers/gpu/drm/bridge/analogix-anx78xx.c
> @@ -1350,10 +1350,10 @@ static int anx78xx_i2c_probe(struct i2c_client *client,
>  
>  	/* Map slave addresses of ANX7814 */
>  	for (i = 0; i < I2C_NUM_ADDRESSES; i++) {
> -		anx78xx->i2c_dummy[i] = i2c_new_dummy(client->adapter,
> +		anx78xx->i2c_dummy[i] = i2c_new_dummy_device(client->adapter,
>  						anx78xx_i2c_addresses[i] >> 1);
> -		if (!anx78xx->i2c_dummy[i]) {
> -			err = -ENOMEM;
> +		if (IS_ERR(anx78xx->i2c_dummy[i])) {
> +			err = PTR_ERR(anx78xx->i2c_dummy[i]);
>  			DRM_ERROR("Failed to reserve I2C bus %02x\n",
>  				  anx78xx_i2c_addresses[i]);
>  			goto err_unregister_i2c;