From d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:45:28 +0000
Subject: [PATCH] add boot partition size
---
kernel/include/linux/nvmem-provider.h | 34 ++++++++++++++++++++++------------
1 files changed, 22 insertions(+), 12 deletions(-)
diff --git a/kernel/include/linux/nvmem-provider.h b/kernel/include/linux/nvmem-provider.h
index c4b8430..06409a6 100644
--- a/kernel/include/linux/nvmem-provider.h
+++ b/kernel/include/linux/nvmem-provider.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* nvmem framework provider.
*
* Copyright (C) 2015 Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
* Copyright (C) 2013 Maxime Ripard <maxime.ripard@free-electrons.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
*/
#ifndef _LINUX_NVMEM_PROVIDER_H
@@ -14,6 +11,7 @@
#include <linux/err.h>
#include <linux/errno.h>
+#include <linux/gpio/consumer.h>
struct nvmem_device;
struct nvmem_cell_info;
@@ -21,6 +19,16 @@
void *val, size_t bytes);
typedef int (*nvmem_reg_write_t)(void *priv, unsigned int offset,
void *val, size_t bytes);
+
+enum nvmem_type {
+ NVMEM_TYPE_UNKNOWN = 0,
+ NVMEM_TYPE_EEPROM,
+ NVMEM_TYPE_OTP,
+ NVMEM_TYPE_BATTERY_BACKED,
+};
+
+#define NVMEM_DEVID_NONE (-1)
+#define NVMEM_DEVID_AUTO (-2)
/**
* struct nvmem_config - NVMEM device configuration
@@ -31,14 +39,17 @@
* @owner: Pointer to exporter module. Used for refcounting.
* @cells: Optional array of pre-defined NVMEM cells.
* @ncells: Number of elements in cells.
+ * @type: Type of the nvmem storage
* @read_only: Device is read-only.
* @root_only: Device is accessibly to root only.
+ * @no_of_node: Device should not use the parent's of_node even if it's !NULL.
* @reg_read: Callback to read data.
* @reg_write: Callback to write data.
* @size: Device size.
* @word_size: Minimum read/write access granularity.
* @stride: Minimum read/write access stride.
* @priv: User context passed to read/write callbacks.
+ * @wp-gpio: Write protect pin
*
* Note: A default "nvmem<id>" name will be assigned to the device if
* no name is specified in its configuration. In such case "<id>" is
@@ -52,10 +63,13 @@
const char *name;
int id;
struct module *owner;
+ struct gpio_desc *wp_gpio;
const struct nvmem_cell_info *cells;
int ncells;
+ enum nvmem_type type;
bool read_only;
bool root_only;
+ bool no_of_node;
nvmem_reg_read_t reg_read;
nvmem_reg_write_t reg_write;
int size;
@@ -89,7 +103,7 @@
#if IS_ENABLED(CONFIG_NVMEM)
struct nvmem_device *nvmem_register(const struct nvmem_config *cfg);
-int nvmem_unregister(struct nvmem_device *nvmem);
+void nvmem_unregister(struct nvmem_device *nvmem);
struct nvmem_device *devm_nvmem_register(struct device *dev,
const struct nvmem_config *cfg);
@@ -103,13 +117,10 @@
static inline struct nvmem_device *nvmem_register(const struct nvmem_config *c)
{
- return ERR_PTR(-ENOSYS);
+ return ERR_PTR(-EOPNOTSUPP);
}
-static inline int nvmem_unregister(struct nvmem_device *nvmem)
-{
- return -ENOSYS;
-}
+static inline void nvmem_unregister(struct nvmem_device *nvmem) {}
static inline struct nvmem_device *
devm_nvmem_register(struct device *dev, const struct nvmem_config *c)
@@ -120,8 +131,7 @@
static inline int
devm_nvmem_unregister(struct device *dev, struct nvmem_device *nvmem)
{
- return nvmem_unregister(nvmem);
-
+ return -EOPNOTSUPP;
}
static inline void nvmem_add_cell_table(struct nvmem_cell_table *table) {}
--
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