Re: [v3] arm: dts: exynos: Enable DMA support for UART modules on Exynos5 SoCs

[Alim Akhtar <alim.akhtar@xxxxxxxxxxx>]

On 12/22/2016 04:48 PM, Marek Szyprowski wrote:
> Hi Alim,
>
> On 2016-12-22 12:14, Alim Akhtar wrote:
> > Hello,
> >
> > On 12/19/2016 03:30 PM, Marek Szyprowski wrote:
> > > UART modules can use DMA for offloading data transfers and reducing
> > > interrupts, so enable this feature for Exynos5 boards. Tested on
> > > Google ChromeBook Snow (Exynos5250), Odroid XU (Exynos5410) and Odroid
> > > XU3 (Exynos5422) boards.
> > >
> > > Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> > > ---
> > > v3:
> > > - added Exynos5410
> >
> > make failed with this patch with below error:
> >   DTC     arch/arm/boot/dts/exynos5410-odroidxu.dtb
> > ERROR (phandle_references): Reference to non-existent node or label
> > "pdma0"
> >
> > ERROR (phandle_references): Reference to non-existent node or label
> > "pdma0"
> >
> > ERROR (phandle_references): Reference to non-existent node or label
> > "pdma1"
> >
> > ERROR (phandle_references): Reference to non-existent node or label
> > "pdma1"
> >
> > ERROR (phandle_references): Reference to non-existent node or label
> > "pdma0"
> >
> > ERROR (phandle_references): Reference to non-existent node or label
> > "pdma0"
> >
> > ERROR (phandle_references): Reference to non-existent node or label
> > "pdma1"
> >
> > ERROR (phandle_references): Reference to non-existent node or label
> > "pdma1"
> >
> > ERROR: Input tree has errors, aborting (use -f to force output)
> > make[1]: *** [arch/arm/boot/dts/exynos5410-odroidxu.dtb] Error 2
> > make: *** [dtbs] Error 2
> > -------------------------------------
> >
> > I tried building against linux-next with tag v4.9.
> >
> > 69973b8 Linux 4.9
> > 2e4333c Merge branch 'upstream' of
> > git://git.linux-mips.org/pub/scm/ralf/upstream-linus
> > ba73515 MIPS: Lantiq: Fix mask of GPE frequency
> >
> > Let me know if I am missing other patches.
>
> Please apply it on top of for-next branch from
> git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git
Thanks Marek for the above link.
Tested this patch on exynos5800 peach-pi board.

Tested-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>

>  > [...]
>
> Best regards
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