diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/814-v6.4-0018-nvmem-u-boot-env-post-process-ethaddr-env-variable.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/814-v6.4-0018-nvmem-u-boot-env-post-process-ethaddr-env-variable.patch | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/target/linux/generic/backport-5.10/814-v6.4-0018-nvmem-u-boot-env-post-process-ethaddr-env-variable.patch b/target/linux/generic/backport-5.10/814-v6.4-0018-nvmem-u-boot-env-post-process-ethaddr-env-variable.patch deleted file mode 100644 index adde0ffc4b..0000000000 --- a/target/linux/generic/backport-5.10/814-v6.4-0018-nvmem-u-boot-env-post-process-ethaddr-env-variable.patch +++ /dev/null @@ -1,81 +0,0 @@ -From c49f1a8af6bcf6d18576bca898f8083ca4b129e1 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Tue, 4 Apr 2023 18:21:43 +0100 -Subject: [PATCH] nvmem: u-boot-env: post-process "ethaddr" env variable -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -U-Boot environment variables are stored in ASCII format so "ethaddr" -requires parsing into binary to make it work with Ethernet interfaces. - -This includes support for indexes to support #nvmem-cell-cells = <1>. - -Signed-off-by: Rafał Miłecki <rafal@milecki.pl> -Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> -Link: https://lore.kernel.org/r/20230404172148.82422-36-srinivas.kandagatla@linaro.org -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - drivers/nvmem/Kconfig | 1 + - drivers/nvmem/u-boot-env.c | 26 ++++++++++++++++++++++++++ - 2 files changed, 27 insertions(+) - ---- a/drivers/nvmem/Kconfig -+++ b/drivers/nvmem/Kconfig -@@ -340,6 +340,7 @@ config NVMEM_U_BOOT_ENV - tristate "U-Boot environment variables support" - depends on OF && MTD - select CRC32 -+ select GENERIC_NET_UTILS - help - U-Boot stores its setup as environment variables. This driver adds - support for verifying & exporting such data. It also exposes variables ---- a/drivers/nvmem/u-boot-env.c -+++ b/drivers/nvmem/u-boot-env.c -@@ -4,6 +4,8 @@ - */ - - #include <linux/crc32.h> -+#include <linux/etherdevice.h> -+#include <linux/if_ether.h> - #include <linux/mod_devicetable.h> - #include <linux/module.h> - #include <linux/mtd/mtd.h> -@@ -70,6 +72,25 @@ static int u_boot_env_read(void *context - return 0; - } - -+static int u_boot_env_read_post_process_ethaddr(void *context, const char *id, int index, -+ unsigned int offset, void *buf, size_t bytes) -+{ -+ u8 mac[ETH_ALEN]; -+ -+ if (bytes != 3 * ETH_ALEN - 1) -+ return -EINVAL; -+ -+ if (!mac_pton(buf, mac)) -+ return -EINVAL; -+ -+ if (index) -+ eth_addr_add(mac, index); -+ -+ ether_addr_copy(buf, mac); -+ -+ return 0; -+} -+ - static int u_boot_env_add_cells(struct u_boot_env *priv, uint8_t *buf, - size_t data_offset, size_t data_len) - { -@@ -101,6 +122,11 @@ static int u_boot_env_add_cells(struct u - priv->cells[idx].offset = data_offset + value - data; - priv->cells[idx].bytes = strlen(value); - priv->cells[idx].np = of_get_child_by_name(dev->of_node, priv->cells[idx].name); -+ if (!strcmp(var, "ethaddr")) { -+ priv->cells[idx].raw_len = strlen(value); -+ priv->cells[idx].bytes = ETH_ALEN; -+ priv->cells[idx].read_post_process = u_boot_env_read_post_process_ethaddr; -+ } - } - - if (WARN_ON(idx != priv->ncells)) |