This issue has been resolved. Unfortunately this only came thriough now due to a delivery glitch in the list. -- Charles -- CHarles On Sun, 06 Apr 2003 14:49, Charles Manning wrote: > Steve > > Sorry to take so long getting back to you. > > When I wrote this code I thought the callback would get called regardless > of whether or not the actioned passed or failed. > > Reading through the nand.c in mtd it appears that the callback only gets > called if the erase passes. > > We have three options here: > > * Forget using the callback (ie. in yaffs_mtdif.c, do not set up a > callback). Just use the result from the call. This will work if the call > only returns after the erase is complete (with or without failure). > * Change yaffs_mtdif.c to up the lock on error. > * Change nand.c to call the callback regardless of the result. > > The callback releases a lock, but it appears that the chip is locked anyway > so this extra locking is perhaps unwarranted. > > Thomas: I defer to your judgement. In the meantime, Steve, I suggest > disabling the callback. ie: in nandmtd_EraseBlockInNAND: > - set ei.callback to NULL instead of the callback address > - comment out the down(&dev.sem) > > > -- Charles > > On Thu, 03 Apr 2003 17:51, Steve Tsai wrote: > > My system halt when I did some file operation on yaffs file system. And > > the console display "nand_erase: attempt to erase a bad block at page > > 0x00001ce0" then the system halt. I found that nandmtd_EraseBlockInNAND > > will not return, if nand_erase does not call the callback function. > > nand_erase will not call to callback function, if it does not erase > > flash successfully. Does anyone fix it? > > > > Steve Tsai > > > > > > ------------------------------------------------------------------------- > >-- ------------ This mailing list is hosted by Toby Churchill open > > software (www.toby-churchill.org). If mailing list membership is no > > longer wanted you can remove yourself from the list by sending an email > > to > > yaffs-request@toby-churchill.org with the text "unsubscribe" (without the > > quotes) as the subject. > > --------------------------------------------------------------------------- >------------ This mailing list is hosted by Toby Churchill open software > (www.toby-churchill.org). If mailing list membership is no longer wanted > you can remove yourself from the list by sending an email to > yaffs-request@toby-churchill.org with the text "unsubscribe" (without the > quotes) as the subject. --------------------------------------------------------------------------------------- This mailing list is hosted by Toby Churchill open software (www.toby-churchill.org). If mailing list membership is no longer wanted you can remove yourself from the list by sending an email to yaffs-request@toby-churchill.org with the text "unsubscribe" (without the quotes) as the subject.