[PATCH 2/3] mfd: mxs-lradc: Fix Wvoid-pointer-to-enum-cast warning (again)

From: Krzysztof Kozlowski
Date: Thu Jun 06 2024 - 10:59:58 EST


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

mxs-lradc.c:140:15: error: cast to smaller integer type 'enum mxs_lradc_id' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]

Year ago this was solved, although LKML discussion suggested warning is
not suitable for kernel. Nothing changed in this regard for a year, so
assume the warning will stay and we want to have warnings-free builds.

Link: https://lore.kernel.org/all/20230814160457.GA2836@dev-arch.thelio-3990X/
Link: https://lore.kernel.org/all/20230810095849.123321-1-krzysztof.kozlowski@xxxxxxxxxx/
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
drivers/mfd/mxs-lradc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/mxs-lradc.c b/drivers/mfd/mxs-lradc.c
index 73893890b50a..b2ebb5433121 100644
--- a/drivers/mfd/mxs-lradc.c
+++ b/drivers/mfd/mxs-lradc.c
@@ -137,7 +137,7 @@ static int mxs_lradc_probe(struct platform_device *pdev)
if (!lradc)
return -ENOMEM;

- lradc->soc = (enum mxs_lradc_id)device_get_match_data(&pdev->dev);
+ lradc->soc = (kernel_ulong_t)device_get_match_data(&pdev->dev);

lradc->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(lradc->clk)) {
--
2.43.0