Re: [U-Boot] [PATCH v4 09/15] dm: Cast away the const-ness of the global_data pointer

8 Jun 2014


      On Friday, June 06, 2014 at 09:13:26 PM, Simon Glass wrote:
...
In a very few cases we need to adjust the driver model root device, such as
when setting it up at initialisation. Add a macro to make this easier.
Signed-off-by: Simon Glass sjg@chromium.org
[...]
...

ret = device_bind_by_name(NULL, &root_info, &gd->dm_root);


ret = device_bind_by_name(NULL, &root_info, &DM_ROOT());

[...]
...
+/* Cast away any volatile pointer */
+#define DM_ROOT()		(((gd_t *)gd)->dm_root)
+#define DM_UCLASS_ROOT()		(((gd_t *)gd)->uclass_root)
Can you implement this "DM_ROOT()" macro as a function instead ? I believe 
that'd be much nicer , would have typechecking etc., usual stuff.
Best regards,
Marek Vasut