linux-kernel - Re: linux-next: build failure after merge of the i2c tree

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Message-ID: <20221006100537.4d788d1c@canb.auug.org.au>
Date:   Thu, 6 Oct 2022 10:05:37 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Wolfram Sang <wsa@...-dreams.de>,
        Mike Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Alex Helms <alexander.helms.jy@...esas.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the i2c tree

Hi all,

On Tue, 4 Oct 2022 11:20:59 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> 
> After merging the i2c tree, today's linux-next build (x86_64 allmodconfig)
> failed like this:
> 
> drivers/clk/clk-versaclock7.c:1304:19: error: initialization of 'void (*)(struct i2c_client *)' from incompatible pointer type 'int (*)(struct i2c_client *)' [-Werror=incompatible-pointer-types]
>  1304 |         .remove = vc7_remove,
>       |                   ^~~~~~~~~~
> drivers/clk/clk-versaclock7.c:1304:19: note: (near initialization for 'vc7_i2c_driver.remove')
> 
> Caused by commit
> 
>   48c5e98fedd9 ("clk: Renesas versaclock7 ccf device driver")
> 
> from the clk tree interacting with commit
> 
>   ed5c2f5fd10d ("i2c: Make remove callback return void")
> 
> from the i2c tree.
> 
> I have applied the following merge fix patch.
> 
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Tue, 4 Oct 2022 11:13:45 +1100
> Subject: [PATCH] clk: fix up for "i2c: Make remove callback return void"
> 
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> ---
>  drivers/clk/clk-versaclock7.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/clk/clk-versaclock7.c b/drivers/clk/clk-versaclock7.c
> index 050807cf971f..8e4f86e852aa 100644
> --- a/drivers/clk/clk-versaclock7.c
> +++ b/drivers/clk/clk-versaclock7.c
> @@ -1235,14 +1235,12 @@ static int vc7_probe(struct i2c_client *client)
>  	return ret;
>  }
>  
> -static int vc7_remove(struct i2c_client *client)
> +static void vc7_remove(struct i2c_client *client)
>  {
>  	struct vc7_driver_data *vc7 = i2c_get_clientdata(client);
>  
>  	of_clk_del_provider(client->dev.of_node);
>  	clk_unregister_fixed_rate(vc7->clk_apll.clk);
> -
> -	return 0;
>  }
>  
>  static bool vc7_volatile_reg(struct device *dev, unsigned int reg)
> -- 
> 2.35.1

I have applied this patch to the merge of the clk tree today (since
Linus has merged the i2c tree).

-- 
Cheers,
Stephen Rothwell

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