linux-kernel - RE: [PATCH 1/1] mtd: nand_bbt: separate struct nand_chip from nand

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Message-ID: <87F60714EC601C4C83DFF1D2E3D390A027B12734@NTXXIAMBX02.xacn.micron.com>
Date:	Wed, 3 Jun 2015 01:31:27 +0000
From:	Peter Pan 潘栋 (peterpandong) 
	<peterpandong@...ron.com>
To:	Peter Pan 潘栋 (peterpandong) 
	<peterpandong@...ron.com>,
	"dwmw2@...radead.org" <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	"fransklaver@...il.com" <fransklaver@...il.com>,
	"wsa@...-dreams.de" <wsa@...-dreams.de>,
	"zajec5@...il.com" <zajec5@...il.com>,
	"boris.brezillon@...e-electrons.com" 
	<boris.brezillon@...e-electrons.com>,
	"baruch@...s.co.il" <baruch@...s.co.il>,
	"ezequiel.garcia@...e-electrons.com" 
	<ezequiel.garcia@...e-electrons.com>,
	"kdasu.kdev@...il.com" <kdasu.kdev@...il.com>,
	"rogerq@...com" <rogerq@...com>,
	"asierra@...-inc.com" <asierra@...-inc.com>, bpqw <bpqw@...ron.com>
CC:	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Qi Wang 王起 (qiwang) <qiwang@...ron.com>
Subject: RE: [PATCH 1/1] mtd: nand_bbt: separate struct nand_chip from
 nand_bbt.c

Ping
> 
> Currently nand_bbt.c is tied with struct nand_chip, and it makes other
> NAND family chips hard to use nand_bbt.c. Maybe it's the reason why
> onenand has own bbt(onenand_bbt.c).
> 
> Parameterize a few relevant device detail information into a new
> nand_bbt struct, and set some hooks for chip specified part. Allocate
> and initialize struct nand_bbt in nand_base.c.
> 
> Most of the patch is borrowed from Brian Norris
> <computersforpeace@...il.com>.
> http://git.infradead.org/users/norris/linux-
> mtd.git/shortlog/refs/heads/nand-bbt
> 
> Signed-off-by: Peter Pan <peterpandong@...ron.com>
> Signed-off-by: Brian Norris <computersforpeace@...il.com>
> ---
>  drivers/mtd/nand/docg4.c     |   8 +-
>  drivers/mtd/nand/nand_base.c | 145 +++++++++++-
>  drivers/mtd/nand/nand_bbt.c  | 518 +++++++++++++++++------------------
> --------
>  include/linux/mtd/bbm.h      |  96 +-------
>  include/linux/mtd/nand.h     |  11 +-
>  include/linux/mtd/nand_bbt.h | 160 +++++++++++++
>  6 files changed, 516 insertions(+), 422 deletions(-)
>  create mode 100644 include/linux/mtd/nand_bbt.h
>