Re: [PATCH V6 4/7] OF: properties: Implement get_match_data() callback

[Lothar WaÃmann]

Hi,

On Thu, 7 Dec 2017 09:45:31 -0500 Sinan Kaya wrote:
> On 12/7/2017 8:10 AM, Lothar WaÃmann wrote:
> >> +void *of_fwnode_get_match_data(const struct fwnode_handle *fwnode,
> >> +			       struct device *dev)
> > Shouldn't this be 'const void *of_fwnode_get_match_data
> 
> OF keeps the driver data as a (const void*) internally. ACPI keeps the
> driver data as kernel_ulong_t in struct acpi_device_id.
> 
> I tried to find the middle ground here by converting output to void*
> but not keeping const.
> 
It should be no problem to cast a (const void *) to an unsigned long
data type (without const qualifier).


Lothar WaÃmann