linux-kernel - [PATCH 1/9] mfd: stmpe: Fix Wvoid-pointer-to-enum-cast warning

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Message-Id: <20230810095849.123321-1-krzysztof.kozlowski@linaro.org>
Date:   Thu, 10 Aug 2023 11:58:41 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Lee Jones <lee@...nel.org>, Chanwoo Choi <cw00.choi@...sung.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com,
        patches@...nsource.cirrus.com
Cc:     Andi Shyti <andi.shyti@...nel.org>
Subject: [PATCH 1/9] mfd: stmpe: Fix Wvoid-pointer-to-enum-cast warning

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

stmpe-i2c.c:90:13: error: cast to smaller integer type 'enum stmpe_partnum' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/mfd/stmpe-i2c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/stmpe-i2c.c b/drivers/mfd/stmpe-i2c.c
index 1d7b401776d1..fe018bedab98 100644
--- a/drivers/mfd/stmpe-i2c.c
+++ b/drivers/mfd/stmpe-i2c.c
@@ -87,7 +87,7 @@ stmpe_i2c_probe(struct i2c_client *i2c)
 		dev_info(&i2c->dev, "matching on node name, compatible is preferred\n");
 		partnum = id->driver_data;
 	} else
-		partnum = (enum stmpe_partnum)of_id->data;
+		partnum = (uintptr_t)of_id->data;
 
 	return stmpe_probe(&i2c_ci, partnum);
 }
-- 
2.34.1