spl: fat/fs: Add option to include/exclude FAT write build in SPL
Most of the time SPL only needs very simple FAT reading, so having
CONFIG_IS_ENABLED(FAT_WRITE) to exclude it from SPL build would help
to save 64KiB default max clustersize from memory.
Signed-off-by: Tien Fong Chee <tien.fong.chee@intel.com>
Reviewed-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index ab47c05..eac50ac 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -404,6 +404,13 @@
filesystem from within SPL. Support for the underlying block
device (e.g. MMC or USB) must be enabled separately.
+config SPL_FAT_WRITE
+ bool "Support write for FAT filesystems"
+ help
+ Enable write support for FAT and VFAT filesystems with SPL.
+ Support for the underlying block device (e.g. MMC or USB) must be
+ enabled separately.
+
config SPL_FPGA_SUPPORT
bool "Support FPGAs"
help