85e1e1ac34
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.100 All patches automatically rebased. Build system: bcm53xx ath79 Signed-off-by: Zxl hhyccc <zxlhhy@gmail.com>
45 lines
1.3 KiB
Diff
45 lines
1.3 KiB
Diff
From 0991afbe4b1805e7f0113ef10d7c5f0698a739e4 Mon Sep 17 00:00:00 2001
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From: Miquel Raynal <miquel.raynal@bootlin.com>
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Date: Tue, 8 Aug 2023 08:29:29 +0200
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Subject: [PATCH] nvmem: core: Notify when a new layout is registered
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Tell listeners a new layout was introduced and is now available.
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Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
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---
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drivers/nvmem/core.c | 4 ++++
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include/linux/nvmem-consumer.h | 2 ++
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2 files changed, 6 insertions(+)
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--- a/drivers/nvmem/core.c
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+++ b/drivers/nvmem/core.c
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@@ -771,12 +771,16 @@ int __nvmem_layout_register(struct nvmem
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list_add(&layout->node, &nvmem_layouts);
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spin_unlock(&nvmem_layout_lock);
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+ blocking_notifier_call_chain(&nvmem_notifier, NVMEM_LAYOUT_ADD, layout);
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+
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return 0;
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}
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EXPORT_SYMBOL_GPL(__nvmem_layout_register);
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void nvmem_layout_unregister(struct nvmem_layout *layout)
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{
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+ blocking_notifier_call_chain(&nvmem_notifier, NVMEM_LAYOUT_REMOVE, layout);
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+
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spin_lock(&nvmem_layout_lock);
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list_del(&layout->node);
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spin_unlock(&nvmem_layout_lock);
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--- a/include/linux/nvmem-consumer.h
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+++ b/include/linux/nvmem-consumer.h
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@@ -43,6 +43,8 @@ enum {
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NVMEM_REMOVE,
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NVMEM_CELL_ADD,
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NVMEM_CELL_REMOVE,
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+ NVMEM_LAYOUT_ADD,
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+ NVMEM_LAYOUT_REMOVE,
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};
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#if IS_ENABLED(CONFIG_NVMEM)
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