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Make the YAFFS filesystem work

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Recently the YAFFS filesystem support has been added to U-boot.
However, just enabling CONFIG_YAFFS2 is not enough to get it working.

ymount will generate an exception (when dereferencing mtd->readoob()), because
the genericDevice is a null pointer. Further, a lot of logging is produced
while using YAFFS fs, so logging should also be disabled.
Both issues are solved by this patch.

With this patch and CONFIG_YAFFS2 enabled, I get a readable filesystem
in U-boot, as well as in Linux.

Tested on a Atmel AT91SAM9261EK board.

Signed-off-by: Remy Bohmer <linux@bohmer.net>
Acked-by: William Juul <william.juul@tandberg.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
Remy Bohmer 2008-08-20 20:46:56 +02:00 committed by Scott Wood
parent bfd7f38614
commit 0bb86d823b
1 changed files with 4 additions and 1 deletions
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5
fs/yaffs2/yaffscfg.c
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@ -34,7 +34,7 @@
#include "malloc.h"
#endif
unsigned yaffs_traceMask = 0xFFFFFFFF;
unsigned yaffs_traceMask = 0x0; /* Disable logging */
static int yaffs_errno = 0;
void yaffsfs_SetError(int err)
@ -121,6 +121,9 @@ int yaffs_StartUp(void)
yaffs_Device *flashDev = calloc(1, sizeof(yaffs_Device));
yaffsfs_config[0].dev = flashDev;
/* store the mtd device for later use */
flashDev->genericDevice = mtd;
// Stuff to configure YAFFS
// Stuff to initialise anything special (eg lock semaphore).
yaffsfs_LocalInitialisation();