When CONFIG_CMD_MMC and CONFIG_MMC are disabled, still some compilation errors are seen as below due to unresolved symbols.

drivers/dfu/dfu_mmc.o: in function `mmc_block_op': drivers/dfu/dfu_mmc.c:32: undefined reference to `find_mmc_device' drivers/dfu/dfu_mmc.c:54: undefined reference to `mmc_get_blk_desc' drivers/dfu/dfu_mmc.c:67: undefined reference to `mmc_get_blk_desc' drivers/dfu/dfu_mmc.c:70: undefined reference to `mmc_get_blk_desc' drivers/dfu/dfu_mmc.o: in function `dfu_fill_entity_mmc': drivers/dfu/dfu_mmc.c:369: undefined reference to `find_mmc_device' drivers/dfu/dfu_mmc.c:376: undefined reference to `mmc_init' drivers/dfu/dfu_mmc.c:403: undefined reference to `mmc_get_blk_desc' gnu/aarch64/lin/aarch64-linux/bin/aarch64-linux-gnu-ld.bfd: line 4: 31661 Segmentation fault (core dumped) $CC --sysroot=$LIBC --no-warn-rwx-segment "$@" Makefile:1760: recipe for target 'u-boot' failed make: *** [u-boot] Error 139 make: *** Deleting file 'u-boot'

Add dependency of CONFIG_MMC for CONFIG_DFU_MMC config to fix the errors.

Signed-off-by: Ashok Reddy Soma ashok.reddy.soma@amd.com ---

Changes in v2: - Changed patch subject prefix to dfu from zynqmp: config

drivers/dfu/Kconfig | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/dfu/Kconfig b/drivers/dfu/Kconfig index 8d7f13dcb0..8e9e8eb4fe 100644 --- a/drivers/dfu/Kconfig +++ b/drivers/dfu/Kconfig @@ -35,6 +35,7 @@ config DFU_TIMEOUT

config DFU_MMC bool "MMC back end for DFU" + depends on MMC help This option enables using DFU to read and write to MMC based storage.