[PATCH v5] dma: Add Xilinx AXI Direct Memory Access Engine driver support

[Appana Durga Kedareswara Rao]

Hi Paul Bolle,

Thanks for reviewing the patch

> -----Original Message-----
> From: Paul Bolle [mailto:pebolle at tiscali.nl]
> Sent: Tuesday, March 03, 2015 3:31 AM
> To: Appana Durga Kedareswara Rao
> Cc: dan.j.williams at intel.com; vinod.koul at intel.com; Michal Simek; Soren
> Brinkmann; dmaengine at vger.kernel.org; linux-arm-
> kernel at lists.infradead.org; linux-kernel at vger.kernel.org; Appana Durga
> Kedareswara Rao; Anirudha Sarangi; Srikanth Vemula; Srikanth Thokala
> Subject: Re: [PATCH v5] dma: Add Xilinx AXI Direct Memory Access Engine
> driver support
>
> On Mon, 2015-03-02 at 23:25 +0530, Kedareswara rao Appana wrote:
> > --- a/drivers/dma/Kconfig
> > +++ b/drivers/dma/Kconfig
> > @@ -425,6 +425,19 @@ config IMG_MDC_DMA
> >     help
> >       Enable support for the IMG multi-threaded DMA controller (MDC).
> >
> > +config XILINX_DMA
> > +   tristate "Xilinx AXI DMA Engine"
> > +   depends on (ARCH_ZYNQ || MICROBLAZE)
> > +   select DMA_ENGINE
> > +   help
> > +     Enable support for Xilinx AXI DMA Soft IP.
> > +
> > +   This engine provides high-bandwidth direct memory access
> > +   between memory and AXI4-Stream type target peripherals.
> > +   It has two stream interfaces/channels, Memory Mapped to
> > +   Stream (MM2S) and Stream to Memory Mapped (S2MM) for the
> > +   data transfers.
> > +
>
> How did you test this patch? On next-20150302, running x86_64, I got:
>
> $ make ARCH=microblaze menuconfig
>   HOSTCC  scripts/basic/fixdep
>   HOSTCC  scripts/kconfig/mconf.o
>   SHIPPED scripts/kconfig/zconf.tab.c
>   SHIPPED scripts/kconfig/zconf.lex.c
>   HOSTCC  scripts/kconfig/zconf.tab.o
>   HOSTCC  scripts/kconfig/lxdialog/checklist.o
>   HOSTCC  scripts/kconfig/lxdialog/util.o
>   HOSTCC  scripts/kconfig/lxdialog/inputbox.o
>   HOSTCC  scripts/kconfig/lxdialog/textbox.o
>   HOSTCC  scripts/kconfig/lxdialog/yesno.o
>   HOSTCC  scripts/kconfig/lxdialog/menubox.o
>   HOSTLD  scripts/kconfig/mconf
> scripts/kconfig/mconf Kconfig
> drivers/dma/Kconfig:436: syntax error
> drivers/dma/Kconfig:435: unknown option "This"
> drivers/dma/Kconfig:436: unknown option "between"
> drivers/dma/Kconfig:437: unknown option "It"
> drivers/dma/Kconfig:438: unknown option "Stream"
> drivers/dma/Kconfig:439: unknown option "data"
> make[1]: *** [menuconfig] Error 1
> make: *** [menuconfig] Error 2
>
> Caused by the invalid indentation used here. You should add two spaces
> after the initial tab in lines 436 through 439.
>

My Bad I forgot to compile the patch before I sent to the open source.
Will fix this in the next version of the patch.

Regards,
Kedar.

>
> Paul Bolle



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