[2/9] mfd: max14577: Fix Wvoid-pointer-to-enum-cast warning

Message ID 20230810095849.123321-2-krzysztof.kozlowski@linaro.org
State New
Headers
Series [1/9] mfd: stmpe: Fix Wvoid-pointer-to-enum-cast warning |

Commit Message

Krzysztof Kozlowski Aug. 10, 2023, 9:58 a.m. UTC
  'dev_type' is an enum, thus cast of pointer on 64-bit compile test with
W=1 causes:

  max14577.c:406:5: error: cast to smaller integer type 'enum maxim_device_type' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/mfd/max14577.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
  

Comments

Chanwoo Choi Aug. 10, 2023, 1:47 p.m. UTC | #1
On 23. 8. 10. 18:58, Krzysztof Kozlowski wrote:
> 'dev_type' is an enum, thus cast of pointer on 64-bit compile test with
> W=1 causes:
> 
>   max14577.c:406:5: error: cast to smaller integer type 'enum maxim_device_type' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
>  drivers/mfd/max14577.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/mfd/max14577.c b/drivers/mfd/max14577.c
> index 25ed8846b7fb..1f4f5002595c 100644
> --- a/drivers/mfd/max14577.c
> +++ b/drivers/mfd/max14577.c
> @@ -402,8 +402,7 @@ static int max14577_i2c_probe(struct i2c_client *i2c)
>  
>  		of_id = of_match_device(max14577_dt_match, &i2c->dev);
>  		if (of_id)
> -			max14577->dev_type =
> -				(enum maxim_device_type)of_id->data;
> +			max14577->dev_type = (uintptr_t)of_id->data;
>  	} else {
>  		max14577->dev_type = id->driver_data;
>  	}

Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
  

Patch

diff --git a/drivers/mfd/max14577.c b/drivers/mfd/max14577.c
index 25ed8846b7fb..1f4f5002595c 100644
--- a/drivers/mfd/max14577.c
+++ b/drivers/mfd/max14577.c
@@ -402,8 +402,7 @@  static int max14577_i2c_probe(struct i2c_client *i2c)
 
 		of_id = of_match_device(max14577_dt_match, &i2c->dev);
 		if (of_id)
-			max14577->dev_type =
-				(enum maxim_device_type)of_id->data;
+			max14577->dev_type = (uintptr_t)of_id->data;
 	} else {
 		max14577->dev_type = id->driver_data;
 	}