mtd_info->write

[Frederic Giasson]

I am almost sure that you have to validate the erase state of the sector you
want to write to.  For example, I use cfi_amdstd_write function, and
absolutely no validation is made in that fonction for this.

Frederic Giasson





-----Original Message-----
From: Abraham vd Merwe [mailto:abraham at 2d3d.co.za]
Sent: Wednesday, June 06, 2001 9:28 AM
To: Frederic Giasson
Cc: MTD for Linux
Subject: Re: mtd_info->write


Hi Frederic!

> If the data is all ones ("1"), it has been erased.   If not, it has not.

Yes, I know, but I want to know whether I have to check if that's the case
or not.

> Can you safely assume in the MTD write function that the blocks on which
the
> data is have been erased or do you actually have to do some error checking
> and return with -EINVAL if you discover that it's not been erased?

-- 

Regards
 Abraham

It is your concern when your neighbor's wall is on fire.
		-- Quintus Horatius Flaccus (Horace)

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