kernel: update nvmem subsystem to the latest upstream

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

4 files changed, 0 insertions, 368 deletions

diff --git a/target/linux/bcm53xx/patches-5.10/081-v5.18-nvmem-brcm_nvram-parse-NVRAM-content-into-NVMEM-cell.patch b/target/linux/bcm53xx/patches-5.10/081-v5.18-nvmem-brcm_nvram-parse-NVRAM-content-into-NVMEM-cell.patch
deleted file mode 100644
index 99781b3a7b..0000000000
--- a/target/linux/bcm53xx/patches-5.10/081-v5.18-nvmem-brcm_nvram-parse-NVRAM-content-into-NVMEM-cell.patch
+++ /dev/null
@@ -1,146 +0,0 @@
-From 6e977eaa8280e957b87904b536661550f2a6b3e8 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
-Date: Fri, 25 Feb 2022 17:58:20 +0000
-Subject: [PATCH] nvmem: brcm_nvram: parse NVRAM content into NVMEM cells
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-NVRAM consist of header and NUL separated key-value pairs. Parse it and
-create NVMEM cell for every key-value entry.
-
-Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
-Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
-Link: https://lore.kernel.org/r/20220225175822.8293-3-srinivas.kandagatla@linaro.org
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- drivers/nvmem/brcm_nvram.c | 90 ++++++++++++++++++++++++++++++++++++++
- 1 file changed, 90 insertions(+)
-
---- a/drivers/nvmem/brcm_nvram.c
-+++ b/drivers/nvmem/brcm_nvram.c
-@@ -6,12 +6,26 @@
- #include <linux/io.h>
- #include <linux/mod_devicetable.h>
- #include <linux/module.h>
-+#include <linux/nvmem-consumer.h>
- #include <linux/nvmem-provider.h>
- #include <linux/platform_device.h>
-+#include <linux/slab.h>
-+
-+#define NVRAM_MAGIC			"FLSH"
- 
- struct brcm_nvram {
- 	struct device *dev;
- 	void __iomem *base;
-+	struct nvmem_cell_info *cells;
-+	int ncells;
-+};
-+
-+struct brcm_nvram_header {
-+	char magic[4];
-+	__le32 len;
-+	__le32 crc_ver_init;	/* 0:7 crc, 8:15 ver, 16:31 sdram_init */
-+	__le32 config_refresh;	/* 0:15 sdram_config, 16:31 sdram_refresh */
-+	__le32 config_ncdl;	/* ncdl values for memc */
- };
- 
- static int brcm_nvram_read(void *context, unsigned int offset, void *val,
-@@ -26,6 +40,75 @@ static int brcm_nvram_read(void *context
- 	return 0;
- }
- 
-+static int brcm_nvram_add_cells(struct brcm_nvram *priv, uint8_t *data,
-+				size_t len)
-+{
-+	struct device *dev = priv->dev;
-+	char *var, *value, *eq;
-+	int idx;
-+
-+	priv->ncells = 0;
-+	for (var = data + sizeof(struct brcm_nvram_header);
-+	     var < (char *)data + len && *var;
-+	     var += strlen(var) + 1) {
-+		priv->ncells++;
-+	}
-+
-+	priv->cells = devm_kcalloc(dev, priv->ncells, sizeof(*priv->cells), GFP_KERNEL);
-+	if (!priv->cells)
-+		return -ENOMEM;
-+
-+	for (var = data + sizeof(struct brcm_nvram_header), idx = 0;
-+	     var < (char *)data + len && *var;
-+	     var = value + strlen(value) + 1, idx++) {
-+		eq = strchr(var, '=');
-+		if (!eq)
-+			break;
-+		*eq = '\0';
-+		value = eq + 1;
-+
-+		priv->cells[idx].name = devm_kstrdup(dev, var, GFP_KERNEL);
-+		if (!priv->cells[idx].name)
-+			return -ENOMEM;
-+		priv->cells[idx].offset = value - (char *)data;
-+		priv->cells[idx].bytes = strlen(value);
-+	}
-+
-+	return 0;
-+}
-+
-+static int brcm_nvram_parse(struct brcm_nvram *priv)
-+{
-+	struct device *dev = priv->dev;
-+	struct brcm_nvram_header header;
-+	uint8_t *data;
-+	size_t len;
-+	int err;
-+
-+	memcpy_fromio(&header, priv->base, sizeof(header));
-+
-+	if (memcmp(header.magic, NVRAM_MAGIC, 4)) {
-+		dev_err(dev, "Invalid NVRAM magic\n");
-+		return -EINVAL;
-+	}
-+
-+	len = le32_to_cpu(header.len);
-+
-+	data = kcalloc(1, len, GFP_KERNEL);
-+	memcpy_fromio(data, priv->base, len);
-+	data[len - 1] = '\0';
-+
-+	err = brcm_nvram_add_cells(priv, data, len);
-+	if (err) {
-+		dev_err(dev, "Failed to add cells: %d\n", err);
-+		return err;
-+	}
-+
-+	kfree(data);
-+
-+	return 0;
-+}
-+
- static int brcm_nvram_probe(struct platform_device *pdev)
- {
- 	struct nvmem_config config = {
-@@ -35,6 +118,7 @@ static int brcm_nvram_probe(struct platf
- 	struct device *dev = &pdev->dev;
- 	struct resource *res;
- 	struct brcm_nvram *priv;
-+	int err;
- 
- 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
- 	if (!priv)
-@@ -46,7 +130,13 @@ static int brcm_nvram_probe(struct platf
- 	if (IS_ERR(priv->base))
- 		return PTR_ERR(priv->base);
- 
-+	err = brcm_nvram_parse(priv);
-+	if (err)
-+		return err;
-+
- 	config.dev = dev;
-+	config.cells = priv->cells;
-+	config.ncells = priv->ncells;
- 	config.priv = priv;
- 	config.size = resource_size(res);
- 
diff --git a/target/linux/bcm53xx/patches-5.10/082-v5.19-nvmem-brcm_nvram-find-Device-Tree-nodes-for-NVMEM-ce.patch b/target/linux/bcm53xx/patches-5.10/082-v5.19-nvmem-brcm_nvram-find-Device-Tree-nodes-for-NVMEM-ce.patch
deleted file mode 100644
index a9eacd9419..0000000000
--- a/target/linux/bcm53xx/patches-5.10/082-v5.19-nvmem-brcm_nvram-find-Device-Tree-nodes-for-NVMEM-ce.patch
+++ /dev/null
@@ -1,38 +0,0 @@
-From 207775f7e17b8fd0426a2ac4a5b81e4e1d71849e Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
-Date: Fri, 29 Apr 2022 17:26:47 +0100
-Subject: [PATCH] nvmem: brcm_nvram: find Device Tree nodes for NVMEM cells
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-DT binding for Broadcom's NVRAM supports specifying NVMEM cells as NVMEM
-device (provider) subnodes. Look for such subnodes when collecing NVMEM
-cells. This allows NVMEM consumers to use NVRAM variables.
-
-Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
-Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
-Link: https://lore.kernel.org/r/20220429162701.2222-3-srinivas.kandagatla@linaro.org
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- drivers/nvmem/brcm_nvram.c | 2 ++
- 1 file changed, 2 insertions(+)
-
---- a/drivers/nvmem/brcm_nvram.c
-+++ b/drivers/nvmem/brcm_nvram.c
-@@ -8,6 +8,7 @@
- #include <linux/module.h>
- #include <linux/nvmem-consumer.h>
- #include <linux/nvmem-provider.h>
-+#include <linux/of.h>
- #include <linux/platform_device.h>
- #include <linux/slab.h>
- 
-@@ -72,6 +73,7 @@ static int brcm_nvram_add_cells(struct b
- 			return -ENOMEM;
- 		priv->cells[idx].offset = value - (char *)data;
- 		priv->cells[idx].bytes = strlen(value);
-+		priv->cells[idx].np = of_get_child_by_name(dev->of_node, priv->cells[idx].name);
- 	}
- 
- 	return 0;
diff --git a/target/linux/bcm53xx/patches-5.15/080-v5.18-nvmem-brcm_nvram-parse-NVRAM-content-into-NVMEM-cell.patch b/target/linux/bcm53xx/patches-5.15/080-v5.18-nvmem-brcm_nvram-parse-NVRAM-content-into-NVMEM-cell.patch
deleted file mode 100644
index 99781b3a7b..0000000000
--- a/target/linux/bcm53xx/patches-5.15/080-v5.18-nvmem-brcm_nvram-parse-NVRAM-content-into-NVMEM-cell.patch
+++ /dev/null
@@ -1,146 +0,0 @@
-From 6e977eaa8280e957b87904b536661550f2a6b3e8 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
-Date: Fri, 25 Feb 2022 17:58:20 +0000
-Subject: [PATCH] nvmem: brcm_nvram: parse NVRAM content into NVMEM cells
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-NVRAM consist of header and NUL separated key-value pairs. Parse it and
-create NVMEM cell for every key-value entry.
-
-Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
-Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
-Link: https://lore.kernel.org/r/20220225175822.8293-3-srinivas.kandagatla@linaro.org
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- drivers/nvmem/brcm_nvram.c | 90 ++++++++++++++++++++++++++++++++++++++
- 1 file changed, 90 insertions(+)
-
---- a/drivers/nvmem/brcm_nvram.c
-+++ b/drivers/nvmem/brcm_nvram.c
-@@ -6,12 +6,26 @@
- #include <linux/io.h>
- #include <linux/mod_devicetable.h>
- #include <linux/module.h>
-+#include <linux/nvmem-consumer.h>
- #include <linux/nvmem-provider.h>
- #include <linux/platform_device.h>
-+#include <linux/slab.h>
-+
-+#define NVRAM_MAGIC			"FLSH"
- 
- struct brcm_nvram {
- 	struct device *dev;
- 	void __iomem *base;
-+	struct nvmem_cell_info *cells;
-+	int ncells;
-+};
-+
-+struct brcm_nvram_header {
-+	char magic[4];
-+	__le32 len;
-+	__le32 crc_ver_init;	/* 0:7 crc, 8:15 ver, 16:31 sdram_init */
-+	__le32 config_refresh;	/* 0:15 sdram_config, 16:31 sdram_refresh */
-+	__le32 config_ncdl;	/* ncdl values for memc */
- };
- 
- static int brcm_nvram_read(void *context, unsigned int offset, void *val,
-@@ -26,6 +40,75 @@ static int brcm_nvram_read(void *context
- 	return 0;
- }
- 
-+static int brcm_nvram_add_cells(struct brcm_nvram *priv, uint8_t *data,
-+				size_t len)
-+{
-+	struct device *dev = priv->dev;
-+	char *var, *value, *eq;
-+	int idx;
-+
-+	priv->ncells = 0;
-+	for (var = data + sizeof(struct brcm_nvram_header);
-+	     var < (char *)data + len && *var;
-+	     var += strlen(var) + 1) {
-+		priv->ncells++;
-+	}
-+
-+	priv->cells = devm_kcalloc(dev, priv->ncells, sizeof(*priv->cells), GFP_KERNEL);
-+	if (!priv->cells)
-+		return -ENOMEM;
-+
-+	for (var = data + sizeof(struct brcm_nvram_header), idx = 0;
-+	     var < (char *)data + len && *var;
-+	     var = value + strlen(value) + 1, idx++) {
-+		eq = strchr(var, '=');
-+		if (!eq)
-+			break;
-+		*eq = '\0';
-+		value = eq + 1;
-+
-+		priv->cells[idx].name = devm_kstrdup(dev, var, GFP_KERNEL);
-+		if (!priv->cells[idx].name)
-+			return -ENOMEM;
-+		priv->cells[idx].offset = value - (char *)data;
-+		priv->cells[idx].bytes = strlen(value);
-+	}
-+
-+	return 0;
-+}
-+
-+static int brcm_nvram_parse(struct brcm_nvram *priv)
-+{
-+	struct device *dev = priv->dev;
-+	struct brcm_nvram_header header;
-+	uint8_t *data;
-+	size_t len;
-+	int err;
-+
-+	memcpy_fromio(&header, priv->base, sizeof(header));
-+
-+	if (memcmp(header.magic, NVRAM_MAGIC, 4)) {
-+		dev_err(dev, "Invalid NVRAM magic\n");
-+		return -EINVAL;
-+	}
-+
-+	len = le32_to_cpu(header.len);
-+
-+	data = kcalloc(1, len, GFP_KERNEL);
-+	memcpy_fromio(data, priv->base, len);
-+	data[len - 1] = '\0';
-+
-+	err = brcm_nvram_add_cells(priv, data, len);
-+	if (err) {
-+		dev_err(dev, "Failed to add cells: %d\n", err);
-+		return err;
-+	}
-+
-+	kfree(data);
-+
-+	return 0;
-+}
-+
- static int brcm_nvram_probe(struct platform_device *pdev)
- {
- 	struct nvmem_config config = {
-@@ -35,6 +118,7 @@ static int brcm_nvram_probe(struct platf
- 	struct device *dev = &pdev->dev;
- 	struct resource *res;
- 	struct brcm_nvram *priv;
-+	int err;
- 
- 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
- 	if (!priv)
-@@ -46,7 +130,13 @@ static int brcm_nvram_probe(struct platf
- 	if (IS_ERR(priv->base))
- 		return PTR_ERR(priv->base);
- 
-+	err = brcm_nvram_parse(priv);
-+	if (err)
-+		return err;
-+
- 	config.dev = dev;
-+	config.cells = priv->cells;
-+	config.ncells = priv->ncells;
- 	config.priv = priv;
- 	config.size = resource_size(res);
- 
diff --git a/target/linux/bcm53xx/patches-5.15/081-v5.19-nvmem-brcm_nvram-find-Device-Tree-nodes-for-NVMEM-ce.patch b/target/linux/bcm53xx/patches-5.15/081-v5.19-nvmem-brcm_nvram-find-Device-Tree-nodes-for-NVMEM-ce.patch
deleted file mode 100644
index a9eacd9419..0000000000
--- a/target/linux/bcm53xx/patches-5.15/081-v5.19-nvmem-brcm_nvram-find-Device-Tree-nodes-for-NVMEM-ce.patch
+++ /dev/null
@@ -1,38 +0,0 @@
-From 207775f7e17b8fd0426a2ac4a5b81e4e1d71849e Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
-Date: Fri, 29 Apr 2022 17:26:47 +0100
-Subject: [PATCH] nvmem: brcm_nvram: find Device Tree nodes for NVMEM cells
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-DT binding for Broadcom's NVRAM supports specifying NVMEM cells as NVMEM
-device (provider) subnodes. Look for such subnodes when collecing NVMEM
-cells. This allows NVMEM consumers to use NVRAM variables.
-
-Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
-Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
-Link: https://lore.kernel.org/r/20220429162701.2222-3-srinivas.kandagatla@linaro.org
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- drivers/nvmem/brcm_nvram.c | 2 ++
- 1 file changed, 2 insertions(+)
-
---- a/drivers/nvmem/brcm_nvram.c
-+++ b/drivers/nvmem/brcm_nvram.c
-@@ -8,6 +8,7 @@
- #include <linux/module.h>
- #include <linux/nvmem-consumer.h>
- #include <linux/nvmem-provider.h>
-+#include <linux/of.h>
- #include <linux/platform_device.h>
- #include <linux/slab.h>
- 
-@@ -72,6 +73,7 @@ static int brcm_nvram_add_cells(struct b
- 			return -ENOMEM;
- 		priv->cells[idx].offset = value - (char *)data;
- 		priv->cells[idx].bytes = strlen(value);
-+		priv->cells[idx].np = of_get_child_by_name(dev->of_node, priv->cells[idx].name);
- 	}
- 
- 	return 0;