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| author | Tien Fong Chee <tien.fong.chee@intel.com> | 2019-01-23 14:20:04 +0800 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-02-01 09:12:48 -0500 |
| commit | d8c3ea99826f652efa5e8843f7fb98dfd6f8d194 (patch) | |
| tree | fd2bd53b220ed436d9e2641edc5ab9188759fd34 | |
| parent | 0c3a9ed409a5efac27df762acb2af6271675b07d (diff) | |
| download | u-boot-d8c3ea99826f652efa5e8843f7fb98dfd6f8d194.zip u-boot-d8c3ea99826f652efa5e8843f7fb98dfd6f8d194.tar.gz u-boot-d8c3ea99826f652efa5e8843f7fb98dfd6f8d194.tar.bz2 | |
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>
| -rw-r--r-- | common/spl/Kconfig | 7 | ||||
| -rw-r--r-- | fs/fat/Makefile | 4 | ||||
| -rw-r--r-- | fs/fat/fat.c | 3 | ||||
| -rw-r--r-- | fs/fs.c | 2 |
4 files changed, 12 insertions, 4 deletions
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 @@ config SPL_FS_FAT 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 diff --git a/fs/fat/Makefile b/fs/fat/Makefile index e64b61a..f84efac 100644 --- a/fs/fat/Makefile +++ b/fs/fat/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0+ # -obj-$(CONFIG_FS_FAT) := fat.o -obj-$(CONFIG_FAT_WRITE):= fat_write.o +obj-$(CONFIG_$(SPL_)FS_FAT) = fat.o +obj-$(CONFIG_$(SPL_)FAT_WRITE) = fat_write.o diff --git a/fs/fat/fat.c b/fs/fat/fat.c index 179bf4f..dac86ea 100644 --- a/fs/fat/fat.c +++ b/fs/fat/fat.c @@ -145,7 +145,8 @@ static void get_name(dir_entry *dirent, char *s_name) } static int flush_dirty_fat_buffer(fsdata *mydata); -#if !defined(CONFIG_FAT_WRITE) + +#if !CONFIG_IS_ENABLED(FAT_WRITE) /* Stub for read only operation */ int flush_dirty_fat_buffer(fsdata *mydata) { @@ -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, |