linux-kernel - [PATCH] serial: mxs-uart: fix Wvoid-pointer-to-enum-cast warning

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Date:   Thu, 10 Aug 2023 10:50:42 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.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>,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Andi Shyti <andi.shyti@...nel.org>
Subject: [PATCH] serial: mxs-uart: fix Wvoid-pointer-to-enum-cast warning

`devtype` is enum, thus cast of pointer on 64-bit compile test with W=1
causes:

  mxs-auart.c:1598:15: error: cast to smaller integer type 'enum mxs_auart_type' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]

Cc: Andi Shyti <andi.shyti@...nel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/tty/serial/mxs-auart.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 8eeecf8ad359..a9b32722b049 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -1595,7 +1595,7 @@ static int mxs_auart_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	s->devtype = (enum mxs_auart_type)of_device_get_match_data(&pdev->dev);
+	s->devtype = (uintptr_t)of_device_get_match_data(&pdev->dev);
 
 	ret = mxs_get_clks(s, pdev);
 	if (ret)
-- 
2.34.1