Commit eb176cb4 authored by Miquel Raynal's avatar Miquel Raynal Committed by Greg Kroah-Hartman
Browse files

nvmem: core: Notify when a new layout is registered 



Tell listeners a new layout was introduced and is now available.

Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230823132744.350618-23-srinivas.kandagatla@linaro.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b9740091

drivers/nvmem/core.c

+4 −0
Original line number Diff line number Diff line
@@ -771,12 +771,16 @@ int __nvmem_layout_register(struct nvmem_layout *layout, struct module *owner) 
	list_add(&layout->node, &nvmem_layouts);

	spin_unlock(&nvmem_layout_lock);



	blocking_notifier_call_chain(&nvmem_notifier, NVMEM_LAYOUT_ADD, layout);



	return 0;

}

EXPORT_SYMBOL_GPL(__nvmem_layout_register);



void nvmem_layout_unregister(struct nvmem_layout *layout)

{

	blocking_notifier_call_chain(&nvmem_notifier, NVMEM_LAYOUT_REMOVE, layout);



	spin_lock(&nvmem_layout_lock);

	list_del(&layout->node);

	spin_unlock(&nvmem_layout_lock);

include/linux/nvmem-consumer.h

+2 −0
Original line number Diff line number Diff line
@@ -43,6 +43,8 @@ enum { 
	NVMEM_REMOVE,

	NVMEM_CELL_ADD,

	NVMEM_CELL_REMOVE,

	NVMEM_LAYOUT_ADD,

	NVMEM_LAYOUT_REMOVE,

};



#if IS_ENABLED(CONFIG_NVMEM)