Re: [PATCH] drivers: mfd: silence compiler warning in sec-core.c

From: Lee Jones
Date: Mon Mar 10 2014 - 11:07:18 EST


> When used 64bit compiler GCC warns as
> drivers/mfd/sec-core.c:199:10: warning:
> cast from pointer to integer of different size [-Wpointer-to-int-cast]
>
> This patch fixes this by type-casting "match->data" into "long" before
> converting into "int"
>
> Signed-off-by: Pankaj Dubey <pankaj.dubey@xxxxxxxxxxx>
> ---
> drivers/mfd/sec-core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
> index a139798..2e7580bd 100644
> --- a/drivers/mfd/sec-core.c
> +++ b/drivers/mfd/sec-core.c
> @@ -187,7 +187,7 @@ static inline int sec_i2c_get_driver_data(struct i2c_client *i2c,
> if (i2c->dev.of_node) {
> const struct of_device_id *match;
> match = of_match_node(sec_dt_match, i2c->dev.of_node);
> - return (int)match->data;
> + return (int)(long)match->data;

I think using an unsigned long would be better.

> }
> #endif
> return (int)id->driver_data;

Doesn't this give you the same error?

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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