Commit 4f0d1a2a authored by Siva Durga Prasad Paladugu's avatar Siva Durga Prasad Paladugu Committed by Tom Rini

fat: Define MAX_CLUSTSIZE using CONFIG_FS_FAT_MAX_CLUSTSIZE

Define the MAX_CLUSTSIZE to default of 65536 only if
CONFIG_FS_FAT_MAX_CLUSTSIZE is not defined.
This option has been provided to save memory in some
memory constrained cases.
Signed-off-by: default avatarSiva Durga Prasad Paladugu <sivadur@xilinx.com>
Acked-by: default avatarMichal Simek <monstr@monstr.eu>
parent 9cd73bf8
......@@ -1637,6 +1637,12 @@ CBFS (Coreboot Filesystem) support
filesystem. Available commands are cbfsinit, cbfsinfo, cbfsls
and cbfsload.
- FAT(File Allocation Table) filesystem cluster size:
CONFIG_FS_FAT_MAX_CLUSTSIZE
Define the max cluster size for fat operations else
a default value of 65536 will be defined.
- Keyboard Support:
CONFIG_ISA_KEYBOARD
......
......@@ -18,7 +18,11 @@
#define VFAT_MAXSEQ 9 /* Up to 9 of 13 2-byte UTF-16 entries */
#define PREFETCH_BLOCKS 2
#define MAX_CLUSTSIZE 65536
#ifndef CONFIG_FS_FAT_MAX_CLUSTSIZE
#define CONFIG_FS_FAT_MAX_CLUSTSIZE 65536
#endif
#define MAX_CLUSTSIZE CONFIG_FS_FAT_MAX_CLUSTSIZE
#define DIRENTSPERBLOCK (mydata->sect_size / sizeof(dir_entry))
#define DIRENTSPERCLUST ((mydata->clust_size * mydata->sect_size) / \
sizeof(dir_entry))
......
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