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env: mmc/fat/ext4: make sure that the MMC sub-system is initialized before using it
When booting from a non-MMC device, the MMC sub-system may not be initialized when the environment is first accessed. We need to make sure that the MMC sub-system is ready in even a non-MMC boot case. Therefore, initialize mmc before loading environment from it. Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
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3 changed files with 8 additions and 0 deletions
3
env/ext4.c
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3
env/ext4.c
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@ -87,6 +87,9 @@ static int env_ext4_load(void)
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int err;
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loff_t off;
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if (!strcmp(CONFIG_ENV_EXT4_INTERFACE, "mmc"))
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mmc_initialize(NULL);
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part = blk_get_device_part_str(CONFIG_ENV_EXT4_INTERFACE,
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CONFIG_ENV_EXT4_DEVICE_AND_PART,
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&dev_desc, &info, 1);
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3
env/fat.c
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3
env/fat.c
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@ -89,6 +89,9 @@ static int env_fat_load(void)
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int dev, part;
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int err;
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if (!strcmp(CONFIG_ENV_FAT_INTERFACE, "mmc"))
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mmc_initialize(NULL);
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part = blk_get_device_part_str(CONFIG_ENV_FAT_INTERFACE,
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CONFIG_ENV_FAT_DEVICE_AND_PART,
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&dev_desc, &info, 1);
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2
env/mmc.c
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2
env/mmc.c
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@ -273,6 +273,8 @@ static int env_mmc_load(void)
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ALLOC_CACHE_ALIGN_BUFFER(env_t, tmp_env1, 1);
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ALLOC_CACHE_ALIGN_BUFFER(env_t, tmp_env2, 1);
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mmc_initialize(NULL);
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mmc = find_mmc_device(dev);
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errmsg = init_mmc_for_env(mmc);
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