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From: Roger Quadros <rogerq@ti.com>
To: Tony Lindgren <tony@atomide.com>,
	Semen Protsenko <semen.protsenko@globallogic.com>
Cc: <linux-omap@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/3] ARM: OMAP2+: gpmc: Fix writing in gpmc_cs_set_memconf
Date: Tue, 3 Feb 2015 11:30:17 +0200	[thread overview]
Message-ID: <54D09529.2000803@ti.com> (raw)
In-Reply-To: <20150202170827.GD9418@atomide.com>

On 02/02/15 19:08, Tony Lindgren wrote:
> * Roger Quadros <rogerq@ti.com> [150126 01:38]:
>> On 24/01/15 22:28, Semen Protsenko wrote:
>>> Some GPMC_CONFIG7 register bits marked as "RESERVED", means they
>>> shouldn't be overwritten. A typical approach to handle such bits called
>>> "Read-Modify-Write". Writing procedure used in gpmc_cs_set_memconf()
>>> utilizes RMW technique, but implemented incorrectly. Due to obvious typo
>>> in code read register value is being rewritten by another value, which
>>> leads to loss of read RESERVED bits. This patch fixes this.
>>>
>>> While at it, replace magic numbers with named constants to improve code
>>> readability.
>>>
>>> Signed-off-by: Semen Protsenko <semen.protsenko@globallogic.com>
>>
>> This is much nicer.
>>
>> Acked-by: Roger Quadros <rogerq@ti.com>
> 
> Roger will queue this so:
> 
> Acked-by: Tony Lindgren <tony@atomide.com>
> 
Thanks.
Patches 1 and 2 queued for v3.21.
https://github.com/rogerq/linux/tree/for-v3.21/gpmc-omap

cheers,
-roger

      reply	other threads:[~2015-02-03  9:30 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-24 20:28 Semen Protsenko
2015-01-24 20:28 ` [PATCH 2/3] ARM: OMAP2+: gpmc: make gpmc_cs_get_name() static Semen Protsenko
2015-01-26  9:20   ` Roger Quadros
2015-02-02 17:07     ` Tony Lindgren
2015-01-24 20:28 ` [PATCH 3/3] ARM: OMAP2+: gpmc: Do not modify LIMITEDADDRESS on new architectures Semen Protsenko
2015-01-26  9:50   ` Roger Quadros
2015-01-26 13:07     ` Sam Protsenko
2015-01-26 15:46       ` Roger Quadros
2015-01-26  9:34 ` [PATCH 1/3] ARM: OMAP2+: gpmc: Fix writing in gpmc_cs_set_memconf Roger Quadros
2015-02-02 17:08   ` Tony Lindgren
2015-02-03  9:30     ` Roger Quadros [this message]

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