linux-kernel - [PATCH] crypto: exynos - fix Wvoid-pointer-to-enum-cast warning

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Message-Id: <20230810100023.123557-1-krzysztof.kozlowski@linaro.org>
Date:   Thu, 10 Aug 2023 12:00:23 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        linux-crypto@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Andi Shyti <andi.shyti@...nel.org>
Subject: [PATCH] crypto: exynos - fix Wvoid-pointer-to-enum-cast warning

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

  exynos-rng.c:280:14: error: cast to smaller integer type 'enum exynos_prng_type' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]

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

diff --git a/drivers/crypto/exynos-rng.c b/drivers/crypto/exynos-rng.c
index cbd8ca6e52ee..b1df66be9adc 100644
--- a/drivers/crypto/exynos-rng.c
+++ b/drivers/crypto/exynos-rng.c
@@ -277,7 +277,7 @@ static int exynos_rng_probe(struct platform_device *pdev)
 	if (!rng)
 		return -ENOMEM;
 
-	rng->type = (enum exynos_prng_type)of_device_get_match_data(&pdev->dev);
+	rng->type = (uintptr_t)of_device_get_match_data(&pdev->dev);
 
 	mutex_init(&rng->lock);
 
-- 
2.34.1