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

From: Stephen Rothwell
Date: Wed Oct 05 2022 - 19:05:54 EST


Hi all,

On Tue, 4 Oct 2022 11:20:59 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxxx>
> 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@xxxxxxxxxxxxxxxx>
> ---
> 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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