The size returned by 'getvar partition-size' should be in bytes, not in blocks as fastboot uses that value to generate empty partition when running format [1].
Note that the function was already returning the proper size in bytes for NAND devices (see struct part_info details). [1] https://android.googlesource.com/platform/system/core/+/refs/heads/android10-release/fastboot/fastboot.cpp#1500 Signed-off-by: Gary Bisson <gary.bis...@boundarydevices.com> --- Changelog v1->v2: - removed change for FASTBOOT_FLASH_NAND as not necessary (and therefore not building) --- drivers/fastboot/fb_getvar.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/fastboot/fb_getvar.c b/drivers/fastboot/fb_getvar.c index 52da34b1e37..d43f2cfee66 100644 --- a/drivers/fastboot/fb_getvar.c +++ b/drivers/fastboot/fb_getvar.c @@ -95,7 +95,7 @@ static const struct { * * @param[in] part_name Info for which partition name to look for * @param[in,out] response Pointer to fastboot response buffer - * @param[out] size If not NULL, will contain partition size (in blocks) + * @param[out] size If not NULL, will contain partition size * @return Partition number or negative value on error */ static int getvar_get_part_info(const char *part_name, char *response, @@ -109,7 +109,7 @@ static int getvar_get_part_info(const char *part_name, char *response, r = fastboot_mmc_get_part_info(part_name, &dev_desc, &part_info, response); if (r >= 0 && size) - *size = part_info.size; + *size = part_info.size * part_info.blksz; # elif CONFIG_IS_ENABLED(FASTBOOT_FLASH_NAND) struct part_info *part_info; -- 2.28.0