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Date: Thu, 11 Jul 2002 18:19:10 +0200
From: Frederic Gobry <frederic.gobry@smartdata.ch>
To: linux-mtd@lists.infradead.org
Subject: Re: mmap question
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References: <20020604132254.GA4911@rhin.smartdata.ch> <20020701131443.GA10227@rhin>
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Hi,

I don't despair having an answer to at least one of my questions :-)

I implemented mmap on a mtd device (via a simple remap_page_range). I
have a userland program that opens and mmap a mtd device with success,
and can read-access it correctly. But once I perform a MEMERASE ioctl
or a simple write, the process only reads series of 0x80 bytes. If I
restart the process, it continues reading this value (even before any
erase/write operation) unless I reboot.

Do anybody have a clue about this behavior ?

My setup: ARM process (OMAP1510 board),  MTD device uses cfi_probe=20

Thanks in advance,
Fr=E9d=E9ric

--=20
Fr=E9d=E9ric Gobry    SMARTDATA    	 =20
      ---         http://www.smartdata.ch
Software Engineer Lausanne - Switzerland
                  +41 21 693 84 98
				 =20

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