On 6 October 2015 at 12:27, Linus Walleij <linus.walleij@xxxxxxxxxx> wrote: > The current OF translation of channels can never work with > any DMA client using the DMA channels directly: the only way > to get the channels initialized properly is in the > dma_async_device_register() call, where chan->dev etc is > allocated and initialized. > > Allocate and initialize all 32 possible DMA channels and > only augment a target channel with the periph_buses at > of_xlate(). Remove some const settings to make things work. > > Cc: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> > Cc: Joachim Eastwood <manabian@xxxxxxxxx> > Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> > --- > Joachim: I think I need your teste-by on this to make sure > the LPC machine survives this patch set. > --- > drivers/dma/amba-pl08x.c | 80 +++++++++++++++++++++++++++++----------------- > include/linux/amba/pl08x.h | 2 +- > 2 files changed, 52 insertions(+), 30 deletions(-) This breaks dma on lpc18xx. Seems like the slaves are unable to find the dma channel with this change. Full boot log: http://slexy.org/raw/s20nJ4Gpyx regards, Joachim Eastwood -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
