For platform which can boot on different device, this allows to override interface, device and partition from board code.
Signed-off-by: Patrice Chotard patrice.chotard@st.com ---
env/ext4.c | 34 +++++++++++++++++++++------------- 1 file changed, 21 insertions(+), 13 deletions(-)
diff --git a/env/ext4.c b/env/ext4.c index 388474a..9947381 100644 --- a/env/ext4.c +++ b/env/ext4.c @@ -30,6 +30,16 @@ #include <ext4fs.h> #include <mmc.h>
+__weak const char *env_ext4_get_intf(void) +{ + return (const char *)CONFIG_ENV_EXT4_INTERFACE; +} + +__weak const char *env_ext4_get_dev_part(void) +{ + return (const char *)CONFIG_ENV_EXT4_DEVICE_AND_PART; +} + #ifdef CONFIG_CMD_SAVEENV static int env_ext4_save(void) { @@ -38,13 +48,14 @@ static int env_ext4_save(void) disk_partition_t info; int dev, part; int err; + const char *ifname = env_ext4_get_intf(); + const char *dev_and_part = env_ext4_get_dev_part();
err = env_export(&env_new); if (err) return err;
- part = blk_get_device_part_str(CONFIG_ENV_EXT4_INTERFACE, - CONFIG_ENV_EXT4_DEVICE_AND_PART, + part = blk_get_device_part_str(ifname, dev_and_part, &dev_desc, &info, 1); if (part < 0) return 1; @@ -54,8 +65,7 @@ static int env_ext4_save(void)
if (!ext4fs_mount(info.size)) { printf("\n** Unable to use %s %s for saveenv **\n", - CONFIG_ENV_EXT4_INTERFACE, - CONFIG_ENV_EXT4_DEVICE_AND_PART); + ifname, dev_and_part); return 1; }
@@ -65,8 +75,7 @@ static int env_ext4_save(void)
if (err == -1) { printf("\n** Unable to write "%s" from %s%d:%d **\n", - CONFIG_ENV_EXT4_FILE, CONFIG_ENV_EXT4_INTERFACE, dev, - part); + CONFIG_ENV_EXT4_FILE, ifname, dev, part); return 1; }
@@ -83,14 +92,15 @@ static int env_ext4_load(void) int dev, part; int err; loff_t off; + const char *ifname = env_ext4_get_intf(); + const char *dev_and_part = env_ext4_get_dev_part();
#ifdef CONFIG_MMC - if (!strcmp(CONFIG_ENV_EXT4_INTERFACE, "mmc")) + if (!strcmp(ifname, "mmc")) mmc_initialize(NULL); #endif
- part = blk_get_device_part_str(CONFIG_ENV_EXT4_INTERFACE, - CONFIG_ENV_EXT4_DEVICE_AND_PART, + part = blk_get_device_part_str(ifname, dev_and_part, &dev_desc, &info, 1); if (part < 0) goto err_env_relocate; @@ -100,8 +110,7 @@ static int env_ext4_load(void)
if (!ext4fs_mount(info.size)) { printf("\n** Unable to use %s %s for loading the env **\n", - CONFIG_ENV_EXT4_INTERFACE, - CONFIG_ENV_EXT4_DEVICE_AND_PART); + ifname, dev_and_part); goto err_env_relocate; }
@@ -111,8 +120,7 @@ static int env_ext4_load(void)
if (err == -1) { printf("\n** Unable to read "%s" from %s%d:%d **\n", - CONFIG_ENV_EXT4_FILE, CONFIG_ENV_EXT4_INTERFACE, dev, - part); + CONFIG_ENV_EXT4_FILE, ifname, dev, part); goto err_env_relocate; }