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Date:   Mon, 29 Jan 2018 10:19:13 -0600
From:   Rob Herring <robh@kernel.org>
To:     srinivas.kandagatla@linaro.org
Cc:     Vinod Koul <vinod.koul@intel.com>,
        Andy Gross <andy.gross@linaro.org>, dmaengine@vger.kernel.org,
        Mark Rutland <mark.rutland@arm.com>,
        David Brown <david.brown@linaro.org>,
        Dan Williams <dan.j.williams@intel.com>,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org,
        yanhe@quicinc.com, ramkri@qti.qualcomm.com, sdharia@quicinc.com
Subject: Re: [PATCH 2/4] dmaengine: qcom: bam_dma: add num-channels binding
 for remotely controlled
Message-ID: <20180129161913.z6wgnbxcrf4q2gpm@rob-hp-laptop>
References: <20180116190236.14558-1-srinivas.kandagatla@linaro.org>
 <20180116190236.14558-3-srinivas.kandagatla@linaro.org>
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On Tue, Jan 16, 2018 at 07:02:34PM +0000, srinivas.kandagatla@linaro.org wrote:
> From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> 
> When Linux is master of BAM, it can directly read registers to know number
> of supported channels, however when its remotely controlled reading these
> registers would trigger a crash if the BAM is not yet intialized/powered up
> on the remote side.
> 
> This patch adds num-channels binding to specify number of supported
> dma channels on remotely controlled BAM.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> ---
>  Documentation/devicetree/bindings/dma/qcom_bam_dma.txt |  2 ++

Reviewed-by: Rob Herring <robh@kernel.org>

>  drivers/dma/qcom/bam_dma.c                             | 13 +++++++++++--
>  2 files changed, 13 insertions(+), 2 deletions(-)