From: Peter Ujfalusi <peter.ujfalusi@ti.com>
To: Tony Lindgren <tony@atomide.com>
Cc: <vinod.koul@intel.com>, <linux@arm.linux.org.uk>,
<grant.likely@linaro.org>, <dmaengine@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-omap@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>, <robh+dt@kernel.org>,
<nm@ti.com>, <arnd@arndb.de>, <maxime.ripard@free-electrons.com>
Subject: Re: [PATCH v5 8/8] ARM: DTS: dra7x: Integrate sDMA crossbar
Date: Thu, 9 Apr 2015 21:50:13 +0300 [thread overview]
Message-ID: <5526C9E5.4070601@ti.com> (raw)
In-Reply-To: <20150409151846.GR18048@atomide.com>
On 04/09/2015 06:18 PM, Tony Lindgren wrote:
> * Peter Ujfalusi <peter.ujfalusi@ti.com> [150409 02:37]:
>> The sDMA requests are routed through the DMA crossbar and without the
>> crossbar only peripherals using DMA request 0-127 can be used.
>
> I assume this can be merged separately from the driver
> changes?
Unfortunately not. We need to have the drivers in place for the DTS changes to
work.
>
> Otherwise we'll have the same kind of "flag day" mess with
> the IRQ crossbar..
>
> Regards,
>
> Tony
>
--
Péter
WARNING: multiple messages have this Message-ID (diff)
From: Peter Ujfalusi <peter.ujfalusi@ti.com>
To: Tony Lindgren <tony@atomide.com>
Cc: vinod.koul@intel.com, linux@arm.linux.org.uk,
grant.likely@linaro.org, dmaengine@vger.kernel.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
robh+dt@kernel.org, nm@ti.com, arnd@arndb.de,
maxime.ripard@free-electrons.com
Subject: Re: [PATCH v5 8/8] ARM: DTS: dra7x: Integrate sDMA crossbar
Date: Thu, 9 Apr 2015 21:50:13 +0300 [thread overview]
Message-ID: <5526C9E5.4070601@ti.com> (raw)
In-Reply-To: <20150409151846.GR18048@atomide.com>
On 04/09/2015 06:18 PM, Tony Lindgren wrote:
> * Peter Ujfalusi <peter.ujfalusi@ti.com> [150409 02:37]:
>> The sDMA requests are routed through the DMA crossbar and without the
>> crossbar only peripherals using DMA request 0-127 can be used.
>
> I assume this can be merged separately from the driver
> changes?
Unfortunately not. We need to have the drivers in place for the DTS changes to
work.
>
> Otherwise we'll have the same kind of "flag day" mess with
> the IRQ crossbar..
>
> Regards,
>
> Tony
>
--
Péter
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WARNING: multiple messages have this Message-ID (diff)
From: peter.ujfalusi@ti.com (Peter Ujfalusi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 8/8] ARM: DTS: dra7x: Integrate sDMA crossbar
Date: Thu, 9 Apr 2015 21:50:13 +0300 [thread overview]
Message-ID: <5526C9E5.4070601@ti.com> (raw)
In-Reply-To: <20150409151846.GR18048@atomide.com>
On 04/09/2015 06:18 PM, Tony Lindgren wrote:
> * Peter Ujfalusi <peter.ujfalusi@ti.com> [150409 02:37]:
>> The sDMA requests are routed through the DMA crossbar and without the
>> crossbar only peripherals using DMA request 0-127 can be used.
>
> I assume this can be merged separately from the driver
> changes?
Unfortunately not. We need to have the drivers in place for the DTS changes to
work.
>
> Otherwise we'll have the same kind of "flag day" mess with
> the IRQ crossbar..
>
> Regards,
>
> Tony
>
--
P?ter
next prev parent reply other threads:[~2015-04-09 18:54 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-09 9:35 [PATCH v5 0/8] dmaengine/dra7x: DMA router (crossbar support) Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` [PATCH v5 1/8] dmaengine: of_dma: Support for DMA routers Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` [PATCH v5 2/8] Documentation: devicetree: dma: Binding documentation for TI DMA crossbar Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` [PATCH v5 3/8] dmaengine: Add driver for TI DMA crossbar on DRA7x Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-05-04 5:38 ` Vinod Koul
2015-05-04 5:38 ` Vinod Koul
2015-05-04 5:38 ` Vinod Koul
2015-05-07 9:48 ` Peter Ujfalusi
2015-05-07 9:48 ` Peter Ujfalusi
2015-05-07 9:48 ` Peter Ujfalusi
2015-05-08 3:41 ` Vinod Koul
2015-05-08 3:41 ` Vinod Koul
2015-05-08 3:41 ` Vinod Koul
2015-05-08 7:05 ` Peter Ujfalusi
2015-05-08 7:05 ` Peter Ujfalusi
2015-05-08 7:05 ` Peter Ujfalusi
2015-05-08 9:03 ` Vinod Koul
2015-05-08 9:03 ` Vinod Koul
2015-05-08 9:03 ` Vinod Koul
2015-05-08 15:09 ` Tony Lindgren
2015-05-08 15:09 ` Tony Lindgren
2015-05-08 17:44 ` Peter Ujfalusi
2015-05-08 17:44 ` Peter Ujfalusi
2015-05-08 17:44 ` Peter Ujfalusi
2015-04-09 9:35 ` [PATCH v5 4/8] dmaengine: omap-dma: Use defines for dma channels and request count Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` [PATCH v5 5/8] dmaengine: omap-dma: Take DMA request number from DT if it is available Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` [PATCH v5 6/8] dmaengine: omap-dma: Remove mapping between virtual channels and requests Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` [PATCH v5 7/8] dmaengine: omap-dma: Reduce the number of virtual channels Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` [PATCH v5 8/8] ARM: DTS: dra7x: Integrate sDMA crossbar Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 15:18 ` Tony Lindgren
2015-04-09 15:18 ` Tony Lindgren
2015-04-09 18:50 ` Peter Ujfalusi [this message]
2015-04-09 18:50 ` Peter Ujfalusi
2015-04-09 18:50 ` Peter Ujfalusi
2015-04-09 19:01 ` Tony Lindgren
2015-04-09 19:01 ` Tony Lindgren
2015-04-09 19:05 ` Peter Ujfalusi
2015-04-09 19:05 ` Peter Ujfalusi
2015-04-09 19:05 ` Peter Ujfalusi
2015-04-09 19:12 ` Tony Lindgren
2015-04-09 19:12 ` Tony Lindgren
2015-04-09 19:12 ` Tony Lindgren
2015-07-14 10:28 ` Tony Lindgren
2015-07-14 10:28 ` Tony Lindgren
2015-05-04 5:40 ` Vinod Koul
2015-05-04 5:40 ` Vinod Koul
2015-04-22 7:38 ` [PATCH v5 0/8] dmaengine/dra7x: DMA router (crossbar support) Peter Ujfalusi
2015-04-22 7:38 ` Peter Ujfalusi
2015-04-22 7:38 ` Peter Ujfalusi
2015-05-09 11:44 ` Vinod Koul
2015-05-09 11:44 ` Vinod Koul
2015-05-13 14:57 ` Peter Ujfalusi
2015-05-13 14:57 ` Peter Ujfalusi
2015-05-13 14:57 ` Peter Ujfalusi
2015-05-14 15:21 ` Vinod Koul
2015-05-14 15:21 ` Vinod Koul
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