linux-kernel - [PATCH 03/15] hwmon: (ads7828) fix Wvoid-pointer-to-enum-cast warning

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Message-Id: <20230810093157.94244-3-krzysztof.kozlowski@linaro.org>
Date:   Thu, 10 Aug 2023 11:31:45 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Eric Tremblay <etremblay@...tech-controls.com>,
        linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Andi Shyti <andi.shyti@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 03/15] hwmon: (ads7828) fix Wvoid-pointer-to-enum-cast warning

'chip' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:

  ads7828.c:142:10: error: cast to smaller integer type 'enum ads7828_chips' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/hwmon/ads7828.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/hwmon/ads7828.c b/drivers/hwmon/ads7828.c
index e86894e35639..809e830f52a6 100644
--- a/drivers/hwmon/ads7828.c
+++ b/drivers/hwmon/ads7828.c
@@ -139,8 +139,7 @@ static int ads7828_probe(struct i2c_client *client)
 	}
 
 	if (client->dev.of_node)
-		chip = (enum ads7828_chips)
-			of_device_get_match_data(&client->dev);
+		chip = (uintptr_t)of_device_get_match_data(&client->dev);
 	else
 		chip = i2c_match_id(ads7828_device_ids, client)->driver_data;
 
-- 
2.34.1