Re: [Git Patch] ACPI: Fix a warning of discarding qualifiers from pointer target type

[Alexey Starikovskiy <astarikovskiy@suse.de>]

WANG Cong wrote:
> Fix this warning:
>
> drivers/acpi/ec.c: In function `acpi_ec_ecdt_probe':
> drivers/acpi/ec.c:873: warning: passing arg 1 of `acpi_get_devices' discards qualifiers from pointer target type
>
> (I don't know whether this fix hits the real problem.)
>   
It is safe to give acpi_get_devices() const string, as it should not
modify it in any condition.
> Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
>
>   
ACK

Thanks,
Alex
> ---
>  drivers/acpi/ec.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> Index: linux-2.6.23-rc3-git3/drivers/acpi/ec.c
> ===================================================================
> --- linux-2.6.23-rc3-git3.orig/drivers/acpi/ec.c
> +++ linux-2.6.23-rc3-git3/drivers/acpi/ec.c
> @@ -869,8 +869,8 @@ int __init acpi_ec_ecdt_probe(void)
>  		boot_ec->handle = ACPI_ROOT_OBJECT;
>  	} else {
>  		printk(KERN_DEBUG PREFIX "Look up EC in DSDT\n");
> -		status = acpi_get_devices(ec_device_ids[0].id, ec_parse_device,
> -						boot_ec, NULL);
> +		status = acpi_get_devices((char *)ec_device_ids[0].id,
> +						ec_parse_device, boot_ec, NULL);
>  		if (ACPI_FAILURE(status))
>  			goto error;
>  	}
>