RE: [PATCH V7 5/6] dts: msm8974: Add blsp2_bam dma node

Sricharan
2016-03-28T12:59:45Z

> 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@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.

Hmm, this was not the case atleast on the apq8074DB board that I tested
this on.

Regards,
Sricharan