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From: Maxime Ripard <maxime.ripard@free-electrons.com>
To: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Gregory Clement <gregory.clement@free-electrons.com>,
	Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
	Ezequiel Garcia <ezequiel.garcia@free-electrons.com>,
	Brian Norris <computersforpeace@gmail.com>,
	Lior Amsalem <alior@marvell.com>,
	Tawfik Bayouk <tawfik@marvell.com>,
	Thomas Petazzoni <thomas@free-electrons.com>,
	Seif Mazareeb <seif@marvell.com>,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org,
	Sudhakar Gundubogula <sudhakar@marvell.com>,
	Nadav Haklai <nadavh@marvell.com>,
	Boris Brezillon <boris@free-electrons.com>,
	linux-mtd@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 1/2] mtd: nand: pxa3xx: Fix PIO FIFO draining
Date: Mon, 16 Feb 2015 17:41:34 +0100	[thread overview]
Message-ID: <20150216164134.GE25269@lukather> (raw)
In-Reply-To: <20150216172753.5e92739a@free-electrons.com>

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On Mon, Feb 16, 2015 at 05:27:53PM +0100, Thomas Petazzoni wrote:
> Dear Maxime Ripard,
> 
> On Mon, 16 Feb 2015 13:51:11 +0100, Maxime Ripard wrote:
> 
> > +		while (index < (len * 4)) {
> > +			u32 timeout;
> > +
> > +			__raw_readsl(info->mmio_base + NDDB, data + index, 8);
> 
> Are you guaranteed that 'len' is a multiple of 32 bytes?

I don't know if you're guaranteed of anything, but the controller
supports only 512, 2k, 4k and 8k pages, which are all mutiples of 32
bytes.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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  reply	other threads:[~2015-02-16 16:45 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-16 12:51 [PATCH v3 0/2] ARM: mvebu: a385-db-ap: Enable the NAND controller Maxime Ripard
2015-02-16 12:51 ` [PATCH v3 1/2] mtd: nand: pxa3xx: Fix PIO FIFO draining Maxime Ripard
2015-02-16 13:34   ` Boris Brezillon
2015-02-16 13:35   ` Ezequiel Garcia
2015-02-16 16:49     ` Maxime Ripard
2015-02-16 16:27   ` Thomas Petazzoni
2015-02-16 16:41     ` Maxime Ripard [this message]
2015-02-16 16:57       ` Ezequiel Garcia
2015-02-17 10:29         ` Maxime Ripard
2015-02-16 20:11   ` Robert Jarzmik
2015-02-16 20:58     ` Maxime Ripard
2015-02-16 21:36       ` Robert Jarzmik
2015-02-17  9:47         ` Maxime Ripard
2015-02-17 10:37         ` Maxime Ripard
2015-02-17 17:07           ` Robert Jarzmik
2015-02-17 17:16             ` Ezequiel Garcia
2015-02-24  3:45               ` Brian Norris
2015-02-24  8:17                 ` Maxime Ripard
2015-02-16 12:51 ` [PATCH v3 2/2] ARM: mvebu: a385-db-ap: Enable the NAND Maxime Ripard

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