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Date: Fri, 7 Mar 2014 16:00:13 +0800
From: Huang Shijie <b32955@freescale.com>
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To: Brian Norris <computersforpeace@gmail.com>
Subject: Re: [PATCH v3 2/3] mtd: nand: add new parsing rule for Hynix's
 H27UBG8T2CTR
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=E4=BA=8E 2014=E5=B9=B403=E6=9C=8807=E6=97=A5 15:46, Brian Norris =E5=86=99=
=E9=81=93:
> Are you sure you need to use the device ID (0xD7)? It's best if we don'=
t
> have to constrain ourselves to particular flash sizes here... Are there
> Hynix MLC that don't follow the id_data[5] pattern for differentiating
> technology types (>20nm vs<=3D20nm)? I'll have to check my datasheets
> when I get back in the office.
>
The H27UCG8T2ATR is also a 20nm chip whose device ID is 0xDE. Its=20
id_data[5] is 0xc4.
But it also use the old parsing rule: the page size is the multiple of 2K=
.

that's why i checked the device ID.

thanks
Huang Shijie