From: Sekhar Nori Date: Fri, 2 Jun 2017 12:23:59 +0000 (+0530) Subject: fs: fat: add kbuild configuration support X-Git-Tag: v2017.07-rc1~95 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=eedfb89e61ec823bbfc56cca62ea96fa045c4206;p=u-boot fs: fat: add kbuild configuration support Add Kconfig symbols for various configurations supported by FAT filesystem support code. CONFIG_SUPPORT_VFAT has been left out since its force enabled in include/fat.h and probably should get removed at some point. Signed-off-by: Sekhar Nori [trini: add select FS_FAT for CMD_FAT and SPL_FAT_SUPPORT] Signed-off-by: Tom Rini --- diff --git a/cmd/Kconfig b/cmd/Kconfig index 6f75b86e25..270cff6297 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -1166,6 +1166,7 @@ config CMD_EXT4_WRITE config CMD_FAT bool "FAT command support" + select FS_FAT help Support for the FAT fs diff --git a/common/spl/Kconfig b/common/spl/Kconfig index eabb2d02ec..48a0fadb5f 100644 --- a/common/spl/Kconfig +++ b/common/spl/Kconfig @@ -306,6 +306,7 @@ config SPL_EXT_SUPPORT config SPL_FAT_SUPPORT bool "Support FAT filesystems" depends on SPL + select FS_FAT help Enable support for FAT and VFAT filesystems with SPL. This permits U-Boot (or Linux in Falcon mode) to be loaded from a FAT diff --git a/fs/fat/Kconfig b/fs/fat/Kconfig index e69de29bb2..e7978aae67 100644 --- a/fs/fat/Kconfig +++ b/fs/fat/Kconfig @@ -0,0 +1,24 @@ +config FS_FAT + bool "Enable FAT filesystem support" + help + This provides support for reading images from File Allocation Table + (FAT) filesystem. FAT filesystem is a legacy, lightweight filesystem. + It is useful mainly for its wide compatibility with various operating + systems. You can also enable CMD_FAT to get access to fat commands. + +config FAT_WRITE + bool "Enable FAT filesystem write support" + depends on FS_FAT + help + This provides support for creating and writing new files to an + existing FAT filesystem partition. + +config FS_FAT_MAX_CLUSTSIZE + int "Set maximum possible clusersize" + default 65536 + depends on FS_FAT + help + Set the maximum possible clustersize for the FAT filesytem. This + is the smallest amount of disk space that can be used to hold a + file. Unless you have an extremely tight memory memory constraints, + leave the default.