linux-kernel - [PATCH 3/4] rtc: jz4740: fix Wvoid-pointer-to-enum-cast warning

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Message-Id: <20230810103902.151145-3-krzysztof.kozlowski@linaro.org>
Date:   Thu, 10 Aug 2023 12:39:01 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Paul Cercueil <paul@...pouillou.net>,
        linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mips@...r.kernel.org
Cc:     Andi Shyti <andi.shyti@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 3/4] rtc: jz4740: fix Wvoid-pointer-to-enum-cast warning

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

  rtc-jz4740.c:352:14: error: cast to smaller integer type 'enum jz4740_rtc_type' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/rtc/rtc-jz4740.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-jz4740.c b/drivers/rtc/rtc-jz4740.c
index 36453b008139..84e0b3bfa71f 100644
--- a/drivers/rtc/rtc-jz4740.c
+++ b/drivers/rtc/rtc-jz4740.c
@@ -349,7 +349,7 @@ static int jz4740_rtc_probe(struct platform_device *pdev)
 	if (!rtc)
 		return -ENOMEM;
 
-	rtc->type = (enum jz4740_rtc_type)device_get_match_data(dev);
+	rtc->type = (uintptr_t)device_get_match_data(dev);
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
-- 
2.34.1