linux-kernel - [PATCH 2/2] i2c: i2c-rcar: fix -Wvoid-pointer-to-enum-cast warning

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Date:   Wed, 09 Aug 2023 21:25:36 +0000
From:   Justin Stitt <justinstitt@...gle.com>
To:     Andi Shyti <andi.shyti@...nel.org>, Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>
Cc:     linux-i2c@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
        Nathan Chancellor <nathan@...nel.org>,
        Justin Stitt <justinstitt@...gle.com>
Subject: [PATCH 2/2] i2c: i2c-rcar: fix -Wvoid-pointer-to-enum-cast warning

Fix the following warning:

|  drivers/i2c/busses/i2c-rcar.c:1066:18: error: cast to smaller integer type \
|       'enum rcar_i2c_type' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
|   1066 |         priv->devtype = (enum rcar_i2c_type)of_device_get_match_data(dev);
|        |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Link: https://github.com/ClangBuiltLinux/linux/issues/1904
Signed-off-by: Justin Stitt <justinstitt@...gle.com>
---
 drivers/i2c/busses/i2c-rcar.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index 2d9c37410ebd..ae4072bc96dc 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -1063,7 +1063,7 @@ static int rcar_i2c_probe(struct platform_device *pdev)
 	if (IS_ERR(priv->io))
 		return PTR_ERR(priv->io);
 
-	priv->devtype = (enum rcar_i2c_type)of_device_get_match_data(dev);
+	priv->devtype = (unsigned long) of_device_get_match_data(dev);
 	init_waitqueue_head(&priv->wait);
 
 	adap = &priv->adap;

-- 
2.41.0.640.ga95def55d0-goog