linux-kernel - RE: [PATCH V4 2/9] mtd: add data structures for Extended Parameter Page

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Message-ID: <20980858CB6D3A4BAE95CA194937D5E73E9C0A84@DBDE04.ent.ti.com>
Date:	Thu, 2 May 2013 07:42:58 +0000
From:	"Gupta, Pekon" <pekon@...com>
To:	Huang Shijie <b32955@...escale.com>,
	"dwmw2@...radead.org" <dwmw2@...radead.org>
CC:	"computersforpeace@...il.com" <computersforpeace@...il.com>,
	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"dedekind1@...il.com" <dedekind1@...il.com>
Subject: RE: [PATCH V4 2/9] mtd: add data structures for Extended Parameter
 Page

> Since the ONFI 2.1, the onfi spec adds the Extended Parameter Page
> to store the ECC info.
> 
> The onfi spec tells us that if the nand chip's recommended ECC codeword
> size is not 512 bytes, then the @ecc_bits is 0xff. The host _SHOULD_
> then
> read the Extended ECC information that is part of the extended
> parameter
> page to retrieve the ECC requirements for this device.
> 
> This patch adds
>     [1] the neccessary fields for nand_onfi_params{},
>     [2] and adds the onfi_ext_ecc_info{} for Extended ECC information,
>     [3] adds onfi_ext_section{} for extended sections,
>     [4] and adds onfi_ext_param_page{} for the Extended Parameter
> Page.
> 
> Signed-off-by: Huang Shijie <b32955@...escale.com>

Acked-by: Pekon Gupta <pekon@...com>

Thanks..
with regards, pekon
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