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spl: fat/fs: Add option to include/exclude FAT write build in SPL

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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>
This commit is contained in:
Tien Fong Chee
2019-01-23 14:20:04 +08:00
committed by Tom Rini
parent 0c3a9ed409
commit d8c3ea9982
4 changed files with 12 additions and 4 deletions
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fs/fs.c
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@@ -168,7 +168,7 @@ static struct fstype_info fstypes[] = {
.exists = fat_exists,
.size = fat_size,
.read = fat_read_file,
#ifdef CONFIG_FAT_WRITE
#if CONFIG_IS_ENABLED(FAT_WRITE)
.write = file_fat_write,
.unlink = fat_unlink,
.mkdir = fat_mkdir,