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

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Date:   Fri, 26 Aug 2022 15:26:50 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Wolfram Sang <wsa@...-dreams.de>
Cc:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, Wolfram Sang <wsa@...nel.org>,
        Naresh Solanki <naresh.solanki@...ements.com>,
        Patrick Rudolph <patrick.rudolph@...ements.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the pinctrl tree

Hi all,

After merging the pinctrl tree, today's linux-next build (x86_64
allmodconfig) failed like this:

drivers/pinctrl/pinctrl-cy8c95x0.c:1371:27: error: initialization of 'void (*)(struct i2c_client *)' from incompatible pointer type 'int (*)(struct i2c_client *)' [-Werror=incompatible-pointer-types]
 1371 |         .remove         = cy8c95x0_remove,
      |                           ^~~~~~~~~~~~~~~
drivers/pinctrl/pinctrl-cy8c95x0.c:1371:27: note: (near initialization for 'cy8c95x0_driver.remove')

Caused by commit

  e6cbbe42944d ("pinctrl: Add Cypress cy8c95x0 support")

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: Fri, 26 Aug 2022 15:20:29 +1000
Subject: [PATCH] pinctrl: fixup for "i2c: Make remove callback return void"

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/pinctrl/pinctrl-cy8c95x0.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-cy8c95x0.c b/drivers/pinctrl/pinctrl-cy8c95x0.c
index a29df0920f4f..05791212822e 100644
--- a/drivers/pinctrl/pinctrl-cy8c95x0.c
+++ b/drivers/pinctrl/pinctrl-cy8c95x0.c
@@ -1352,14 +1352,12 @@ static int cy8c95x0_probe(struct i2c_client *client)
 	return ret;
 }
 
-static int cy8c95x0_remove(struct i2c_client *client)
+static void cy8c95x0_remove(struct i2c_client *client)
 {
 	struct cy8c95x0_pinctrl *chip = i2c_get_clientdata(client);
 
 	if (!IS_ERR_OR_NULL(chip->regulator))
 		regulator_disable(chip->regulator);
-
-	return 0;
 }
 
 static struct i2c_driver cy8c95x0_driver = {
-- 
2.35.1

-- 
Cheers,
Stephen Rothwell

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