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From: mina86@mina86.com (Michal Nazarewicz)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 3/4] drivers: of: add initialization code for dma reserved memory
Date: Tue, 06 Aug 2013 17:07:21 +0200	[thread overview]
Message-ID: <xa1ttxj2luxi.fsf@mina86.com> (raw)
In-Reply-To: <CAL_JsqK7FNeqbx2DFHou5xeU08L4Stn+NrHUmFjap_A1pEq9JQ@mail.gmail.com>

On Tue, Aug 06 2013, Rob Herring wrote:
>> +static void reserved_mem_release_device_from_dt(struct device *dev)
>> +{
>> +       struct reserved_mem *region = get_dma_memory_region(dev);
>> +       if (!region)
>> +               return;
>> +       if (!region->cma)
>
> if (region && !region->cma)

!region case is handled two lines above, so no need to check if region
is not null.

>> +               dma_release_declared_memory(dev);
>> +}

-- 
Best regards,                                         _     _
.o. | Liege of Serenely Enlightened Majesty of      o' \,=./ `o
..o | Computer Science,  Micha? ?mina86? Nazarewicz    (o o)
ooo +----<email/xmpp: mpn@google.com>--------------ooO--(_)--Ooo--
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WARNING: multiple messages have this Message-ID (diff)
From: Michal Nazarewicz <mina86@mina86.com>
To: Rob Herring <robherring2@gmail.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Grant Likely <grant.likely@secretlab.ca>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Arnd Bergmann <arnd@arndb.de>,
	"devicetree-discuss@lists.ozlabs.org"
	<devicetree-discuss@lists.ozlabs.org>,
	Nishanth Peethambaran <nishanth.p@gmail.com>,
	linaro-mm-sig@lists.linaro.org, Marc <marc.ceeeee@gmail.com>,
	Kyungmin Park <kyungmin.park@samsung.com>,
	Sylwester Nawrocki <s.nawrocki@samsung.com>,
	Olof Johansson <olof@lixom.net>,
	Laura Abbott <lauraa@codeaurora.org>,
	Tomasz Figa <t.figa@samsung.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v4 3/4] drivers: of: add initialization code for dma reserved memory
Date: Tue, 06 Aug 2013 17:07:21 +0200	[thread overview]
Message-ID: <xa1ttxj2luxi.fsf@mina86.com> (raw)
In-Reply-To: <CAL_JsqK7FNeqbx2DFHou5xeU08L4Stn+NrHUmFjap_A1pEq9JQ@mail.gmail.com>

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On Tue, Aug 06 2013, Rob Herring wrote:
>> +static void reserved_mem_release_device_from_dt(struct device *dev)
>> +{
>> +       struct reserved_mem *region = get_dma_memory_region(dev);
>> +       if (!region)
>> +               return;
>> +       if (!region->cma)
>
> if (region && !region->cma)

!region case is handled two lines above, so no need to check if region
is not null.

>> +               dma_release_declared_memory(dev);
>> +}

-- 
Best regards,                                         _     _
.o. | Liege of Serenely Enlightened Majesty of      o' \,=./ `o
..o | Computer Science,  Michał “mina86” Nazarewicz    (o o)
ooo +----<email/xmpp: mpn@google.com>--------------ooO--(_)--Ooo--

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  reply	other threads:[~2013-08-06 15:07 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-31 12:51 [PATCH v4 0/4] Device Tree support for CMA (Contiguous Memory Allocator) Marek Szyprowski
2013-07-31 12:51 ` Marek Szyprowski
2013-07-31 12:51 ` [PATCH v4 1/4] drivers: dma-contiguous: clean source code and prepare for device tree Marek Szyprowski
2013-07-31 12:51   ` Marek Szyprowski
2013-08-05 14:06   ` Michal Nazarewicz
2013-08-05 14:06     ` Michal Nazarewicz
2013-07-31 12:51 ` [PATCH v4 2/4] drivers: of: add function to scan fdt nodes given by path Marek Szyprowski
2013-07-31 12:51   ` Marek Szyprowski
2013-08-05 14:30   ` Michal Nazarewicz
2013-08-05 14:30     ` Michal Nazarewicz
2013-07-31 12:51 ` [PATCH v4 3/4] drivers: of: add initialization code for dma reserved memory Marek Szyprowski
2013-07-31 12:51   ` Marek Szyprowski
2013-08-05 18:59   ` Michal Nazarewicz
2013-08-05 18:59     ` Michal Nazarewicz
2013-08-06 13:30   ` Rob Herring
2013-08-06 13:30     ` Rob Herring
2013-08-06 15:07     ` Michal Nazarewicz [this message]
2013-08-06 15:07       ` Michal Nazarewicz
2013-08-06 15:33       ` Sylwester Nawrocki
2013-08-06 15:33         ` Sylwester Nawrocki
2013-08-07 12:38         ` Michal Nazarewicz
2013-08-07 12:38           ` Michal Nazarewicz
2013-08-07 13:08       ` Rob Herring
2013-08-07 13:08         ` Rob Herring
2013-08-07 15:07   ` Kumar Gala
2013-08-07 15:07     ` Kumar Gala
2013-07-31 12:51 ` [PATCH v4 4/4] ARM: init: add support for reserved memory defined by device tree Marek Szyprowski
2013-07-31 12:51   ` Marek Szyprowski
2013-08-05 14:31   ` Michal Nazarewicz
2013-08-05 14:31     ` Michal Nazarewicz
  -- strict thread matches above, loose matches on Subject: below --
2013-08-05  6:53 [PATCH v4 0/4] [RESEND] Device Tree support for CMA (Contiguous Memory Allocator) Marek Szyprowski
2013-08-05  6:53 ` [PATCH v4 3/4] drivers: of: add initialization code for dma reserved memory Marek Szyprowski

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