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From: Roland Stigge <stigge@antcom.de>
To: shiraz hashim <shiraz.linux.kernel@gmail.com>
Cc: linus.walleij@linaro.org, aletes.xgr@gmail.com,
	broonie@opensource.wolfsonmicro.com, grant.likely@secretlab.ca,
	rob.herring@calxeda.com, rob@landley.net,
	devicetree-discuss@lists.ozlabs.org, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	spi-devel-general@lists.sourceforge.net,
	gabriel.fernandez@stericsson.com, lee.jones@linaro.org,
	viresh.kumar@linaro.org, sachin.verma@st.co
Subject: Re: [PATCH v6 1/3] spi/pl022: Add chip select handling via GPIO
Date: Sun, 02 Sep 2012 22:04:14 +0200	[thread overview]
Message-ID: <5043BBBE.30409@antcom.de> (raw)
In-Reply-To: <CAPub14-Oot_wJsRTv2AGu3SAAf40+3_wK43=0Swxj+5XjPaDew@mail.gmail.com>

Hi Shiraz,

On 01/09/12 13:14, shiraz hashim wrote:
> On Wed, Aug 22, 2012 at 7:19 PM, Roland Stigge <stigge@antcom.de> wrote:
>> @@ -2016,6 +2030,8 @@ pl022_probe(struct amba_device *adev, co
>>         pl022->master_info = platform_info;
>>         pl022->adev = adev;
>>         pl022->vendor = id->data;
>> +       /* Point chipselects to allocated memory beyond the main struct */
>> +       pl022->chipselects = (int *) pl022 + sizeof(struct pl022);
> 
> This is going beyond memory allocated for chipselects
> as it adds 4 * sizeof(struct pl022) bytes to pl022.
> 
> pl022->chipselects = (int *) &pl022[1];

Correct. Thanks for the heads up!

Funnily, my previous proposal way actually like you just proposed, but
we took the other one since it looked "better". ;-)

I'll provide an incremental bugfix patch since Mark already has the
commit in his misc.git tree.

Thanks again,

Roland

  parent reply	other threads:[~2012-09-02 20:04 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-22 13:49 [PATCH v6 1/3] spi/pl022: Add chip select handling via GPIO Roland Stigge
     [not found] ` <1345643359-16584-1-git-send-email-stigge-uj/7R2tJ6VmzQB+pC5nmwQ@public.gmane.org>
2012-08-22 13:49   ` [PATCH v6 2/3] spi/pl022: Add devicetree support Roland Stigge
     [not found]     ` <1345643359-16584-2-git-send-email-stigge-uj/7R2tJ6VmzQB+pC5nmwQ@public.gmane.org>
2012-08-22 18:38       ` Linus Walleij
2012-08-22 13:49   ` [PATCH v6 3/3] DT bindings documentation: "num-cs" property for SPI controllers Roland Stigge
     [not found]     ` <1345643359-16584-3-git-send-email-stigge-uj/7R2tJ6VmzQB+pC5nmwQ@public.gmane.org>
2012-08-22 18:39       ` Linus Walleij
2012-08-22 19:03         ` Mark Brown
2012-09-01 11:14   ` [PATCH v6 1/3] spi/pl022: Add chip select handling via GPIO shiraz hashim
     [not found]     ` <CAPub14-Oot_wJsRTv2AGu3SAAf40+3_wK43=0Swxj+5XjPaDew-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-02  7:18       ` Linus Walleij
     [not found]         ` <CACRpkdY3atmx4N-Zq2imrgPoukueYiexzndD7bVyQTgV02Vpuw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-02 13:12           ` shiraz hashim
     [not found]             ` <CAPub14891Bhdt=KNz8SZLS6Ps2snhy9LgOU=yGGMrntcK9xxRA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-03  9:10               ` Linus Walleij
2012-09-02 20:04     ` Roland Stigge [this message]
2012-08-22 18:37 ` Linus Walleij

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