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List:       uclinux-dev
Subject:    Re: [uClinux-dev] how to mount flash via jffs2 as dir /mnt ?
From:       "Falk Brettschneider" <falk.brettschneider () gmx ! de>
Date:       2006-03-21 12:07:28
Message-ID: 24013.1142942848 () www063 ! gmx ! net
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> --- Ursprüngliche Nachricht ---
> Von: David McCullough <david_mccullough@au.securecomputing.com>
...
> Well, I committed it,  but it came in with the import of linux-2.4.21.
> 
> The commit log probably says something about the import of 2.4.21.
> 
> The comment in the code explains it IMO:
> 
>         /* In cfi_amdstd_write() we frob the protection stuff
>           without paying any attention to the state machine.
>           This upsets in-progress erases. So we turn this flag
>           off for now till the code gets fixed. */
I read it but wonder what it means. How can an erase be in-progress during a
write? Does it mean two accesses from different threads? Having it
single-threaded, AFAIK one can poll a status bit for the completion of a
flash action, am I really right (?)...
Cheers, F@lk

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