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SubjectRe: linux-next: build failure after merge of the drm-misc tree
On Mon, Dec 16, 2019 at 12:23:31PM +1100, Stephen Rothwell wrote:
> Hi all,
>
> After merging the drm-misc tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> drivers/gpu/drm/bridge/analogix/analogix-anx6345.c: In function 'anx6345_i2c_probe':
> drivers/gpu/drm/bridge/analogix/analogix-anx6345.c:738:30: error: implicit declaration of function 'i2c_new_dummy' [-Werror=implicit-function-declaration]
> 738 | anx6345->i2c_clients[i] = i2c_new_dummy(client->adapter,
> | ^~~~~~~~~~~~~
> drivers/gpu/drm/bridge/analogix/analogix-anx6345.c:738:28: warning: assignment to 'struct i2c_client *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
> 738 | anx6345->i2c_clients[i] = i2c_new_dummy(client->adapter,
> | ^
>
> Caused by commit
>
> 6aa192698089 ("drm/bridge: Add Analogix anx6345 support")
>
> interacting with commit
>
> 2c2f00ab1641 ("i2c: remove i2c_new_dummy() API")
>
> From Linus' tree.
>
> I have applied the following fix up patch for today:
>
> From: Stephen Rothwell <sfr@canb.auug.org.au>
> Date: Mon, 16 Dec 2019 12:11:19 +1100
> Subject: [PATCH] drm/bridge: fix up for removal of i2c_new_dummy()
>
> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

Thanks pulled into drm-next since I just processed the first drm-misc-next
pull.
-Daniel

> ---
> drivers/gpu/drm/bridge/analogix/analogix-anx6345.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
> index 9917ce0d86a0..56f55c53abfd 100644
> --- a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
> +++ b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
> @@ -735,13 +735,13 @@ static int anx6345_i2c_probe(struct i2c_client *client,
> /* Map slave addresses of ANX6345 */
> for (i = 0; i < I2C_NUM_ADDRESSES; i++) {
> if (anx6345_i2c_addresses[i] >> 1 != client->addr)
> - anx6345->i2c_clients[i] = i2c_new_dummy(client->adapter,
> + anx6345->i2c_clients[i] = i2c_new_dummy_device(client->adapter,
> anx6345_i2c_addresses[i] >> 1);
> else
> anx6345->i2c_clients[i] = client;
>
> - if (!anx6345->i2c_clients[i]) {
> - err = -ENOMEM;
> + if (IS_ERR(anx6345->i2c_clients[i])) {
> + err = PTR_ERR(anx6345->i2c_clients[i]);
> DRM_ERROR("Failed to reserve I2C bus %02x\n",
> anx6345_i2c_addresses[i]);
> goto err_unregister_i2c;
> --
> 2.24.0
>
> --
> Cheers,
> Stephen Rothwell



--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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