From: Rob Herring <robh@kernel.org>
Cc: vkoul@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com,
arnd@arndb.de, orsonzhai@gmail.com, zhang.lyra@gmail.com,
dan.j.williams@intel.com, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org,
eric.long@unisoc.com, broonie@kernel.org, baolin.wang@linaro.org
Subject: Re: [PATCH v2 1/2] dt-bindings: dmaengine: sprd: Change channel id to slave id for DMA cell specifier
Date: Fri, 22 Feb 2019 14:42:12 -0600 [thread overview]
Message-ID: <20190222204212.GA26859@bogus> (raw)
In-Reply-To: <652a8ef9554890c254823ec39858b8d7413fd561.1550719757.git.baolin.wang@linaro.org>
On Thu, 21 Feb 2019 13:34:40 +0800, Baolin Wang wrote:
> For Spreadtrum DMA engine, all channels are equal, which means slave can
> request any channels with setting a unique slave id to trigger this channel.
>
> Thus we can remove the channel id from device tree to assign the channel
> dynamically, moreover we should add the slave id in device tree.
>
> Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
> ---
> Changes from v1:
> - Remove channel id from DT.
> ---
> Documentation/devicetree/bindings/dma/sprd-dma.txt | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
Reviewed-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2019-02-22 20:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-21 5:34 [PATCH v2 1/2] dt-bindings: dmaengine: sprd: Change channel id to slave id for DMA cell specifier Baolin Wang
2019-02-21 5:34 ` [PATCH v2 2/2] " Baolin Wang
2019-02-22 20:42 ` Rob Herring [this message]
2019-02-25 6:41 ` [PATCH v2 1/2] dt-bindings: " Vinod Koul
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