X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;ds=sidebyside;f=include%2Fdm%2Fdevice-internal.h;h=b348ad5231bd1fef019e52bbbf27d8c7247d9ebd;hb=a0594cefb7682dc0c32084d088b3ac0a85ed7395;hp=687462b093424a9e3706df839fa3846ef82dbe37;hpb=3479253dad2ac9d1c71f4843aae52ea7cd0c7716;p=u-boot diff --git a/include/dm/device-internal.h b/include/dm/device-internal.h index 687462b093..b348ad5231 100644 --- a/include/dm/device-internal.h +++ b/include/dm/device-internal.h @@ -31,7 +31,7 @@ struct udevice; * devices which use device tree. * @of_offset: Offset of device tree node for this device. This is -1 for * devices which don't use device tree. - * @devp: Returns a pointer to the bound device + * @devp: if non-NULL, returns a pointer to the bound device * @return 0 if OK, -ve on error */ int device_bind(struct udevice *parent, const struct driver *drv, @@ -48,7 +48,7 @@ int device_bind(struct udevice *parent, const struct driver *drv, * @pre_reloc_only: If true, bind the driver only if its DM_INIT_F flag is set. * If false bind the driver always. * @info: Name and platdata for this device - * @devp: Returns a pointer to the bound device + * @devp: if non-NULL, returns a pointer to the bound device * @return 0 if OK, -ve on error */ int device_bind_by_name(struct udevice *parent, bool pre_reloc_only, @@ -65,19 +65,6 @@ int device_bind_by_name(struct udevice *parent, bool pre_reloc_only, */ int device_probe(struct udevice *dev); -/** - * device_probe() - Probe a child device, activating it - * - * Activate a device so that it is ready for use. All its parents are probed - * first. The child is provided with parent data if parent_priv is not NULL. - * - * @dev: Pointer to device to probe - * @parent_priv: Pointer to parent data. If non-NULL then this is provided to - * the child. - * @return 0 if OK, -ve on error - */ -int device_probe_child(struct udevice *dev, void *parent_priv); - /** * device_remove() - Remove a device, de-activating it * @@ -87,7 +74,7 @@ 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 +#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE) int device_remove(struct udevice *dev); #else static inline int device_remove(struct udevice *dev) { return 0; } @@ -101,20 +88,64 @@ static inline int device_remove(struct udevice *dev) { return 0; } * @dev: Pointer to device to unbind * @return 0 if OK, -ve on error */ -#ifdef CONFIG_DM_DEVICE_REMOVE +#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE) int device_unbind(struct udevice *dev); #else static inline int device_unbind(struct udevice *dev) { return 0; } #endif -#ifdef CONFIG_DM_DEVICE_REMOVE +#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE) void device_free(struct udevice *dev); #else static inline void device_free(struct udevice *dev) {} #endif +/** + * simple_bus_translate() - translate a bus address to a system address + * + * This handles the 'ranges' property in a simple bus. It translates the + * device address @addr to a system address using this property. + * + * @dev: Simple bus device (parent of target device) + * @addr: Address to translate + * @return new address + */ +fdt_addr_t simple_bus_translate(struct udevice *dev, fdt_addr_t addr); + /* 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) +/* device resource management */ +#ifdef CONFIG_DEVRES + +/** + * devres_release_probe - Release managed resources allocated after probing + * @dev: Device to release resources for + * + * Release all resources allocated for @dev when it was probed or later. + * This function is called on driver removal. + */ +void devres_release_probe(struct udevice *dev); + +/** + * devres_release_all - Release all managed resources + * @dev: Device to release resources for + * + * Release all resources associated with @dev. This function is + * called on driver unbinding. + */ +void devres_release_all(struct udevice *dev); + +#else /* ! CONFIG_DEVRES */ + +static inline void devres_release_probe(struct udevice *dev) +{ +} + +static inline void devres_release_all(struct udevice *dev) +{ +} + +#endif /* ! CONFIG_DEVRES */ #endif