Get a fat device and partition for multiple families of same SoC type can be difficult to handle with static CONFIG_ENV_FAT_DEVICE_AND_PART via Kconfig.
So, add a generic weak function to get the device, partition and give relevant users to define their own logic to setup fat device and partition.
Signed-off-by: Jagan Teki jagan@amarulasolutions.com --- env/fat.c | 9 +++++++-- include/fat.h | 1 + 2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/env/fat.c b/env/fat.c index 7f74c64dfe..2147cc0326 100644 --- a/env/fat.c +++ b/env/fat.c @@ -30,6 +30,11 @@ # endif #endif
+__weak char *get_env_fat_dev_part(void) +{ + return CONFIG_ENV_FAT_DEVICE_AND_PART; +} + #ifdef CMD_SAVEENV static int env_fat_save(void) { @@ -45,7 +50,7 @@ static int env_fat_save(void) return err;
part = blk_get_device_part_str(CONFIG_ENV_FAT_INTERFACE, - CONFIG_ENV_FAT_DEVICE_AND_PART, + get_env_fat_dev_part(), &dev_desc, &info, 1); if (part < 0) return 1; @@ -92,7 +97,7 @@ static int env_fat_load(void) #endif
part = blk_get_device_part_str(CONFIG_ENV_FAT_INTERFACE, - CONFIG_ENV_FAT_DEVICE_AND_PART, + get_env_fat_dev_part(), &dev_desc, &info, 1); if (part < 0) goto err_env_relocate; diff --git a/include/fat.h b/include/fat.h index 09e1423685..0552fa54b5 100644 --- a/include/fat.h +++ b/include/fat.h @@ -185,6 +185,7 @@ static inline u32 sect_to_clust(fsdata *fsdata, int sect) return (sect - fsdata->data_begin) / fsdata->clust_size; }
+char *get_env_fat_dev_part(void); int file_fat_detectfs(void); int fat_exists(const char *filename); int fat_size(const char *filename, loff_t *size);