treewide: remove files for building 5.10 kernel

[openwrt/openwrt.git] / target / linux / generic / backport-5.10 / 808-v5.18-0010-nvmem-brcm_nvram-parse-NVRAM-content-into-NVMEM-cell.patch

diff --git a/target/linux/generic/backport-5.10/808-v5.18-0010-nvmem-brcm_nvram-parse-NVRAM-content-into-NVMEM-cell.patch b/target/linux/generic/backport-5.10/808-v5.18-0010-nvmem-brcm_nvram-parse-NVRAM-content-into-NVMEM-cell.patch
deleted file mode 100644 (file)
index 99781b3..0000000
--- a/target/linux/generic/backport-5.10/808-v5.18-0010-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);
-