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Date: Tue, 17 Dec 2013 10:29:33 +0800
From: Huang Shijie <b32955@freescale.com>
To: Elie De Brauwer <eliedebrauwer@gmail.com>
Subject: Re: [PATCH v2] mtd: gpmi: Deal with bitflips in erased regions regions
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Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
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On Mon, Dec 16, 2013 at 02:14:03PM +0100, Elie De Brauwer wrote:
> 
> Well the stress test is simply dd if=/dev/mtdX of=/dev/null bs=1M (or nanddump).
For a new erased partition, my patch shows log like:
----------------------------------------------------------
[  200.635358] [ gpmi_ecc_read_page ] stat : ff10
[  200.636522] [ gpmi_ecc_read_page ] stat : ff10
[  200.637675] [ gpmi_ecc_read_page ] stat : ff10
[  200.638827] [ gpmi_ecc_read_page ] stat : ff10
[  200.639980] [ gpmi_ecc_read_page ] stat : ff10
[  200.641130] [ gpmi_ecc_read_page ] stat : ff10
[  200.642285] [ gpmi_ecc_read_page ] stat : ff10
[  200.734553] [ gpmi_ecc_read_page ] stat : ff10
[  200.735726] [ gpmi_ecc_read_page ] stat : ff10
[  200.736882] [ gpmi_ecc_read_page ] stat : ff10
[  200.738037] [ gpmi_ecc_read_page ] stat : ff10
      ................................................
----------------------------------------------------------

thanks
Huang Shijie