From: Pierre Yves MORDRET <pierre-yves.mordret@st.com>
To: Rob Herring <robh@kernel.org>
Cc: Vinod Koul <vinod.koul@intel.com>,
Mark Rutland <mark.rutland@arm.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre TORGUE <alexandre.torgue@st.com>,
Russell King <linux@armlinux.org.uk>,
Dan Williams <dan.j.williams@intel.com>,
"M'boumba Cedric Madianga" <cedric.madianga@gmail.com>,
Fabrice GASNIER <fabrice.gasnier@st.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Fabien DESSENNE <fabien.dessenne@st.com>,
Amelie DELAUNAY <amelie.delaunay@st.com>,
"dmaengine@vger.kernel.org" <dmaengine@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 3/5] dt-bindings: stm32-dma: Add property to handle STM32 DMAMUX
Date: Tue, 27 Jun 2017 08:09:35 +0000 [thread overview]
Message-ID: <b573370a-13d3-e5cc-781a-0f05a6767f7c@st.com> (raw)
In-Reply-To: <20170626193331.5jle4oxgvqmsvs5b@rob-hp-laptop>
On 06/26/2017 09:33 PM, Rob Herring wrote:
> On Fri, Jun 23, 2017 at 03:00:51PM +0200, Pierre-Yves MORDRET wrote:
>> This patch adds an optional property needed for STM32 DMA controller
>> addressed via STM32 DMAMUX.
>>
>> Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
>> Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
>> ---
>> Version history:
>> v2:
>> * Typo fix
>> ---
>> ---
>> Documentation/devicetree/bindings/dma/stm32-dma.txt | 5 ++++-
>> 1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/dma/stm32-dma.txt b/Documentation/devicetree/bindings/dma/stm32-dma.txt
>> index 4408af6..340c918 100644
>> --- a/Documentation/devicetree/bindings/dma/stm32-dma.txt
>> +++ b/Documentation/devicetree/bindings/dma/stm32-dma.txt
>> @@ -16,6 +16,9 @@ Optional properties:
>> - resets: Reference to a reset controller asserting the DMA controller
>> - st,mem2mem: boolean; if defined, it indicates that the controller supports
>> memory-to-memory transfer
>> +- st,dmamux: boolean; if defined, it indicates that the controller is behind a
>> + DMA multiplexer. In that case, using dma instances doesn't work for DMA
>> + clients. They have to use dma-router instances.
>
> Won't this be obvious looking at the bindings for clients?
>
> In any case, this should be implied by the compatible string.
>
> Rob
>
Not sure what you are asking here.
Py
WARNING: multiple messages have this Message-ID (diff)
From: Pierre Yves MORDRET <pierre-yves.mordret@st.com>
To: Rob Herring <robh@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Amelie DELAUNAY <amelie.delaunay@st.com>,
Alexandre TORGUE <alexandre.torgue@st.com>,
Vinod Koul <vinod.koul@intel.com>,
Russell King <linux@armlinux.org.uk>,
Fabien DESSENNE <fabien.dessenne@st.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"dmaengine@vger.kernel.org" <dmaengine@vger.kernel.org>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
M'boumba Cedric Madianga <cedric.madianga@gmail.com>,
Dan Williams <dan.j.williams@intel.com>,
Fabrice GASNIER <fabrice.gasnier@st.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Herbert Xu <herbert@gondor.apana.org.au>
Subject: Re: [PATCH v2 3/5] dt-bindings: stm32-dma: Add property to handle STM32 DMAMUX
Date: Tue, 27 Jun 2017 08:09:35 +0000 [thread overview]
Message-ID: <b573370a-13d3-e5cc-781a-0f05a6767f7c@st.com> (raw)
In-Reply-To: <20170626193331.5jle4oxgvqmsvs5b@rob-hp-laptop>
On 06/26/2017 09:33 PM, Rob Herring wrote:
> On Fri, Jun 23, 2017 at 03:00:51PM +0200, Pierre-Yves MORDRET wrote:
>> This patch adds an optional property needed for STM32 DMA controller
>> addressed via STM32 DMAMUX.
>>
>> Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
>> Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
>> ---
>> Version history:
>> v2:
>> * Typo fix
>> ---
>> ---
>> Documentation/devicetree/bindings/dma/stm32-dma.txt | 5 ++++-
>> 1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/dma/stm32-dma.txt b/Documentation/devicetree/bindings/dma/stm32-dma.txt
>> index 4408af6..340c918 100644
>> --- a/Documentation/devicetree/bindings/dma/stm32-dma.txt
>> +++ b/Documentation/devicetree/bindings/dma/stm32-dma.txt
>> @@ -16,6 +16,9 @@ Optional properties:
>> - resets: Reference to a reset controller asserting the DMA controller
>> - st,mem2mem: boolean; if defined, it indicates that the controller supports
>> memory-to-memory transfer
>> +- st,dmamux: boolean; if defined, it indicates that the controller is behind a
>> + DMA multiplexer. In that case, using dma instances doesn't work for DMA
>> + clients. They have to use dma-router instances.
>
> Won't this be obvious looking at the bindings for clients?
>
> In any case, this should be implied by the compatible string.
>
> Rob
>
Not sure what you are asking here.
Py
WARNING: multiple messages have this Message-ID (diff)
From: pierre-yves.mordret@st.com (Pierre Yves MORDRET)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 3/5] dt-bindings: stm32-dma: Add property to handle STM32 DMAMUX
Date: Tue, 27 Jun 2017 08:09:35 +0000 [thread overview]
Message-ID: <b573370a-13d3-e5cc-781a-0f05a6767f7c@st.com> (raw)
In-Reply-To: <20170626193331.5jle4oxgvqmsvs5b@rob-hp-laptop>
On 06/26/2017 09:33 PM, Rob Herring wrote:
> On Fri, Jun 23, 2017 at 03:00:51PM +0200, Pierre-Yves MORDRET wrote:
>> This patch adds an optional property needed for STM32 DMA controller
>> addressed via STM32 DMAMUX.
>>
>> Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
>> Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
>> ---
>> Version history:
>> v2:
>> * Typo fix
>> ---
>> ---
>> Documentation/devicetree/bindings/dma/stm32-dma.txt | 5 ++++-
>> 1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/dma/stm32-dma.txt b/Documentation/devicetree/bindings/dma/stm32-dma.txt
>> index 4408af6..340c918 100644
>> --- a/Documentation/devicetree/bindings/dma/stm32-dma.txt
>> +++ b/Documentation/devicetree/bindings/dma/stm32-dma.txt
>> @@ -16,6 +16,9 @@ Optional properties:
>> - resets: Reference to a reset controller asserting the DMA controller
>> - st,mem2mem: boolean; if defined, it indicates that the controller supports
>> memory-to-memory transfer
>> +- st,dmamux: boolean; if defined, it indicates that the controller is behind a
>> + DMA multiplexer. In that case, using dma instances doesn't work for DMA
>> + clients. They have to use dma-router instances.
>
> Won't this be obvious looking at the bindings for clients?
>
> In any case, this should be implied by the compatible string.
>
> Rob
>
Not sure what you are asking here.
Py
next prev parent reply other threads:[~2017-06-27 8:10 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-23 13:00 [PATCH v2 0/5] Add STM32 DMAMUX support Pierre-Yves MORDRET
2017-06-23 13:00 ` Pierre-Yves MORDRET
2017-06-23 13:00 ` Pierre-Yves MORDRET
2017-06-23 13:00 ` [PATCH v2 1/5] dt-bindings: Document the STM32 DMAMUX bindings Pierre-Yves MORDRET
2017-06-23 13:00 ` Pierre-Yves MORDRET
2017-06-23 13:00 ` Pierre-Yves MORDRET
2017-06-26 19:28 ` Rob Herring
2017-06-26 19:28 ` Rob Herring
2017-06-26 19:28 ` Rob Herring
2017-06-27 8:08 ` Pierre Yves MORDRET
2017-06-27 8:08 ` Pierre Yves MORDRET
2017-06-27 8:08 ` Pierre Yves MORDRET
2017-06-23 13:00 ` [PATCH v2 2/5] dmaengine: Add STM32 DMAMUX driver Pierre-Yves MORDRET
2017-06-23 13:00 ` Pierre-Yves MORDRET
2017-06-23 13:00 ` Pierre-Yves MORDRET
2017-06-23 13:00 ` [PATCH v2 3/5] dt-bindings: stm32-dma: Add property to handle STM32 DMAMUX Pierre-Yves MORDRET
2017-06-23 13:00 ` Pierre-Yves MORDRET
2017-06-23 13:00 ` Pierre-Yves MORDRET
2017-06-26 19:33 ` Rob Herring
2017-06-26 19:33 ` Rob Herring
2017-06-26 19:33 ` Rob Herring
2017-06-27 8:09 ` Pierre Yves MORDRET [this message]
2017-06-27 8:09 ` Pierre Yves MORDRET
2017-06-27 8:09 ` Pierre Yves MORDRET
2017-06-23 13:00 ` [PATCH v2 4/5] dmaengine: stm32-dma: Add support for " Pierre-Yves MORDRET
2017-06-23 13:00 ` Pierre-Yves MORDRET
2017-06-23 13:00 ` Pierre-Yves MORDRET
2017-06-23 13:00 ` [PATCH v2 5/5] ARM: configs: stm32: Add DMAMUX support in STM32 defconfig Pierre-Yves MORDRET
2017-06-23 13:00 ` Pierre-Yves MORDRET
2017-06-23 13:00 ` Pierre-Yves MORDRET
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