linux-arm-msm.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andy Gross <andy.gross@linaro.org>
To: Vinod Koul <vinod.koul@intel.com>
Cc: Stanimir Varbanov <stanimir.varbanov@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	dmaengine@vger.kernel.org, Sinan Kaya <okaya@codeaurora.org>,
	Pramod Gurav <gpramod@codeaurora.org>
Subject: Re: [PATCH v2 3/5] dmaengine: qcom: bam_dma: add controlled remotely dt property
Date: Wed, 6 Apr 2016 01:05:27 -0500	[thread overview]
Message-ID: <20160406060527.GC3873@hector.attlocal.net> (raw)
In-Reply-To: <20160405234425.GD11586@vkoul-mobl.iind.intel.com>

On Tue, Apr 05, 2016 at 04:44:25PM -0700, Vinod Koul wrote:
> On Wed, Apr 06, 2016 at 01:56:20AM +0300, Stanimir Varbanov wrote:
> >  Documentation/devicetree/bindings/dma/qcom_bam_dma.txt | 2 ++
> >  drivers/dma/qcom/bam_dma.c                             | 7 +++++++
> 
> The binding should be a separate patch..
> 
> >  
> > +	bdev->controlled_remotely = of_property_read_bool(pdev->dev.of_node,
> > +						"qcom,controlled-remotely");
> > +
> 
> we need some defaults here, how will this work with boards withe older DT.

By default the bam driver should assume that it can access the registers.  It is
only in specific cases where we have trustzone locking down these registers and
assigning them to other remote processors.

  reply	other threads:[~2016-04-06  6:05 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-05 22:56 [PATCH v2 0/5] bam dma fixes and one dt extension Stanimir Varbanov
2016-04-05 22:56 ` [PATCH v2 1/5] dmaengine: qcom: bam_dma: fix dma free memory on remove Stanimir Varbanov
2016-04-05 22:56 ` [PATCH v2 2/5] dmaengine: qcom: bam_dma: clear BAM interrupt only if it is rised Stanimir Varbanov
2016-04-05 23:41   ` Vinod Koul
2016-04-11  7:51   ` gpramod
2016-04-05 22:56 ` [PATCH v2 3/5] dmaengine: qcom: bam_dma: add controlled remotely dt property Stanimir Varbanov
2016-04-05 23:44   ` Vinod Koul
2016-04-06  6:05     ` Andy Gross [this message]
2016-04-06 15:05     ` Stanimir Varbanov
2016-04-07 17:57   ` Rob Herring
2016-04-11  7:53   ` gpramod
2016-04-05 22:56 ` [PATCH v2 4/5] dmaengine: qcom: bam_dma: use correct pipe FIFO size Stanimir Varbanov
     [not found]   ` <1459896982-30171-5-git-send-email-stanimir.varbanov-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-04-05 23:45     ` Vinod Koul
2016-04-05 22:56 ` [PATCH v2 5/5] dmaengine: qcom: bam_dma: rename BAM_MAX_DATA_SIZE define Stanimir Varbanov
2016-04-05 23:47   ` Vinod Koul
2016-04-06 15:30     ` Stanimir Varbanov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20160406060527.GC3873@hector.attlocal.net \
    --to=andy.gross@linaro.org \
    --cc=devicetree@vger.kernel.org \
    --cc=dmaengine@vger.kernel.org \
    --cc=gpramod@codeaurora.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=okaya@codeaurora.org \
    --cc=robh+dt@kernel.org \
    --cc=stanimir.varbanov@linaro.org \
    --cc=vinod.koul@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).