On 01/19/2017 07:15 PM, Sergei Shtylyov wrote:
> On 01/19/2017 02:13 PM, Alexandre Bailon wrote:
>
> > The DA8xx has a CPPI 4.1 DMA controller.
> > This is add the glue layer required to make it work on DA8xx.
> >
> > Signed-off-by: Alexandre Bailon <abailon@xxxxxxxxxxxx>
> > ---
> > drivers/dma/Kconfig | 6 +++---
> > drivers/dma/cppi41.c | 24 ++++++++++++++++++++++++
> > 2 files changed, 27 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
> > index 0d6a96e..03ae2a1 100644
> > --- a/drivers/dma/Kconfig
> > +++ b/drivers/dma/Kconfig
> > @@ -514,12 +514,12 @@ config TIMB_DMA
> > Enable support for the Timberdale FPGA DMA engine.
> >
> > config TI_CPPI41
> > - tristate "AM33xx CPPI41 DMA support"
> > - depends on ARCH_OMAP
> > + tristate "CPPI41 DMA support"
>
> Grr... CPPI 4.1, please.
>
> > + depends on (ARCH_OMAP || ARCH_DAVINCI_DA8XX)
> > select DMA_ENGINE
> > help
> > The Communications Port Programming Interface (CPPI) 4.1 DMA
> > engine
> > - is currently used by the USB driver on AM335x platforms.
> > + is currently used by the USB driver on AM335x and DA8xx platforms.
> >
> > config TI_DMA_CROSSBAR
> > bool
> > diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
> > index 9767b97..f6f2d84 100644
> > --- a/drivers/dma/cppi41.c
> > +++ b/drivers/dma/cppi41.c
> [...]
> > @@ -951,8 +965,18 @@ static const struct cppi_glue_infos
> > am335x_usb_infos = {
> > .qmgr_num_pend = 5,
> > };
> >
> > +static const struct cppi_glue_infos da8xx_usb_infos = {
> > + .isr = cppi41_irq,
>
> Isn't the ISR the same for all glues now?
True. I should remove isr callback.
>
> [...]
>
> MBR, Sergei
>
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