Re: [PATCH v4 0/6] usb: musb: cppi41: Add a way to manage DMA irq

[Alexandre Bailon <abailon-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>]

On 01/23/2017 10:26 PM, Bin Liu wrote:
> On Mon, Jan 23, 2017 at 05:48:02PM +0100, Alexandre Bailon wrote:
> > This series was "dmaengine: cppi41: Make the driver more generic".
> > I have tried to separate as munch I could CPPI 4.1 MUSB driver changes.
> >
> > Currently, the DMA interrupt is managed by the CPPI 4.1 driver.
> > The issue here is the CPPI 4.1 driver must access to MUSB glue registers
> > to manage its interrupt.
> > In order to move the interrupts management from CPPI 4.1 driver to MUSB
> > (and then make it more generic), update the MUSB CPPI 4.1 driver with
> > changes that will help to manage DMA interrupt from MUSB driver.
> >
> > Changes in v4:
> > - Remove musb pointer from struct cppi, cppi41_dma_controller and
> >   tusb_omap_dma.
> >
> > Changes in v3:
> > - Move a patch from another series to this one to avoid build error report
> >   from kbuild test robot
> > - Instead of adding and exporting function, add one callback and a pointer
> >   to musb in struct dma_controller
> > - Surround the DMA function introduced in musb_dsps with #ifdef / #endif.
> >
> > Changes in v2:
> > - Fix some typo in commit messages
> > - Add more explanation about some changes made by patch 2 in commit message
> >
> > Alexandre Bailon (6):
> >   usb: musb: dma: Add a DMA completion platform callback
> >   usb: musb: cppi41: Detect aborted transfers in cppi41_dma_callback()
> >   usb: musb: cppi_dma: Clean up cppi structure
> >   usb: musb: cppi_dma: Clean up cppi41_dma_controller structure
> >   usb: musb: cppi_dma: Clean up tusb_omap_dma structure
> >   usb: musb: dsps: Manage CPPI 4.1 DMA interrupt in DSPS
> >
> >  drivers/dma/cppi41.c             | 28 ++++----------
> >  drivers/usb/musb/cppi_dma.c      | 26 ++++++-------
> >  drivers/usb/musb/cppi_dma.h      |  1 -
> >  drivers/usb/musb/musb_cppi41.c   | 48 +++++++++++++-----------
> >  drivers/usb/musb/musb_dma.h      |  5 +++
> >  drivers/usb/musb/musb_dsps.c     | 81 +++++++++++++++++++++++++++++++++++++++-
> >  drivers/usb/musb/tusb6010_omap.c |  7 ++--
> >  7 files changed, 134 insertions(+), 62 deletions(-)
> >
>
> Please keep linux-usb list cc'd.
Sorry about that. I will be more careful.
>
> Regards,
> -Bin.
>
Regards,
Alexandre
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