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dm: Cast away the const-ness of the global_data pointer

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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>
This commit is contained in:
Simon Glass 2014-06-11 23:29:49 -06:00
parent 6a6d8fbef7
commit 89876a55a6
3 changed files with 8 additions and 4 deletions
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4
include/dm/device-internal.h
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@ -84,4 +84,8 @@ int device_remove(struct udevice *dev);
*/
int device_unbind(struct udevice *dev);
/* Cast away any volatile pointer */
#define DM_ROOT_NON_CONST (((gd_t *)gd)->dm_root)
#define DM_UCLASS_ROOT_NON_CONST (((gd_t *)gd)->uclass_root)
#endif