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Date: Fri, 13 Dec 2013 23:11:39 +0800
From: Huang Shijie <shijie8@gmail.com>
To: Caizhiyong <caizhiyong@hisilicon.com>
Cc: Brian Norris <computersforpeace@gmail.com>,
        David Woodhouse <David.Woodhouse@intel.com>,
        Quyaxin <quyaxin@hisilicon.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Huang Shijie <b32955@freescale.com>,
        "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
        Artem Bityutskiy <artem.bityutskiy@linux.intel.com>,
        "Wanglin (Albert)" <albert.wanglin@hisilicon.com>,
        David Woodhouse <dwmw2@infradead.org>
Subject: Re: [PATCH] mtd: increase max page/OOB size to support 16K pagesize
 NAND
Message-ID: <20131213151138.GA1316@gmail.com>
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On Fri, Dec 13, 2013 at 11:10:10AM +0000, Caizhiyong wrote:
> 
> There are a lot of 16K page size NAND, they are used in android system.
> 
> Many NAND need read retry and data randomization, kernel does not support this feature.
Brian is adding the read-retry feature.

I think the data randomization should be done by the hardware.
If we do it by software, it costs lot of the cpu cycles.


> Kernel also does not support synchronous NAND.

The synchronous NAND should be supported by the nand controller driver,
not the kernel.


thanks
Huang Shijie