linux-kernel - [PATCH 1/2] dmaengine: qcom: fix Wvoid-pointer-to-enum-cast warning

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Date:   Thu, 10 Aug 2023 11:59:59 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Vinod Koul <vkoul@...nel.org>, Sinan Kaya <okaya@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-arm-msm@...r.kernel.org
Cc:     Andi Shyti <andi.shyti@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 1/2] dmaengine: qcom: fix Wvoid-pointer-to-enum-cast warning

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

  hidma.c:748:8: error: cast to smaller integer type 'enum hidma_cap' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]

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

diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c
index b5e3633e6a5e..499df3c83976 100644
--- a/drivers/dma/qcom/hidma.c
+++ b/drivers/dma/qcom/hidma.c
@@ -745,7 +745,7 @@ static bool hidma_test_capability(struct device *dev, enum hidma_cap test_cap)
 {
 	enum hidma_cap cap;
 
-	cap = (enum hidma_cap) device_get_match_data(dev);
+	cap = (uintptr_t) device_get_match_data(dev);
 	return cap ? ((cap & test_cap) > 0) : 0;
 }
 
-- 
2.34.1