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dm: Allow device removal features to be dropped

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For SPL we don't expect to need to remove a device. Save some code space
by dropping this feature. The board config can define
CONFIG_DM_DEVICE_REMOVE if this is in fact needed.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@ti.com>
This commit is contained in:
Simon Glass
2014-11-10 17:16:47 -07:00
parent 1151651831
commit 3ac435d33a
5 changed files with 203 additions and 169 deletions
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10
include/dm/device-internal.h
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@@ -87,7 +87,11 @@ int device_probe_child(struct udevice *dev, void *parent_priv);
* @dev: Pointer to device to remove
* @return 0 if OK, -ve on error (an error here is normally a very bad thing)
*/
#ifdef CONFIG_DM_DEVICE_REMOVE
int device_remove(struct udevice *dev);
#else
static inline int device_remove(struct udevice *dev) { return 0; }
#endif
/**
* device_unbind() - Unbind a device, destroying it
@@ -99,6 +103,12 @@ int device_remove(struct udevice *dev);
*/
int device_unbind(struct udevice *dev);
#ifdef CONFIG_DM_DEVICE_REMOVE
void device_free(struct udevice *dev);
#else
static inline void device_free(struct udevice *dev) {}
#endif
/* 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)