From mboxrd@z Thu Jan  1 00:00:00 1970
From: andy.gross@linaro.org (Andy Gross)
Date: Fri, 25 Mar 2016 21:26:12 -0500
Subject: [PATCH V7 5/6] dts: msm8974: Add blsp2_bam dma node
In-Reply-To: <CAJAp7Oi33=kraAiU337JdFJZbuKZEVoCtY4FfAv_RgiWVmz+sw@mail.gmail.com>
References: <1453197766-18976-1-git-send-email-sricharan@codeaurora.org>
 <1453197766-18976-6-git-send-email-sricharan@codeaurora.org>
 <CAJAp7Oi33=kraAiU337JdFJZbuKZEVoCtY4FfAv_RgiWVmz+sw@mail.gmail.com>
Message-ID: <20160326022612.GA3764@hector.attlocal.net>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Fri, Mar 25, 2016 at 04:17:30PM -0700, Bjorn Andersson wrote:
> On Tue, Jan 19, 2016 at 2:02 AM, Sricharan R <sricharan@codeaurora.org> wrote:
> > Signed-off-by: Sricharan R <sricharan@codeaurora.org>
> > Reviewed-by: Andy Gross <andy.gross@linaro.org>

<snip>

> > +               blsp2_dma: dma-controller at f9944000 {
> > +                       compatible = "qcom,bam-v1.4.0";
> > +                       reg = <0xf9944000 0x19000>;
> > +                       interrupts = <GIC_SPI 239 IRQ_TYPE_LEVEL_HIGH>;
> > +                       clocks = <&gcc GCC_BLSP2_AHB_CLK>;
> > +                       clock-names = "bam_clk";
> > +                       #dma-cells = <1>;
> > +                       qcom,ee = <0>;
> 
> Without "qcom,bam_ctrl_remote;" and
> https://patchwork.kernel.org/patch/8639181/ the Xperia Honami board
> fails to boot with this patch included.

Ouch.  At least one set of pipes must be used by some other processor and TZ has
locked down that BLSP.