On Wednesday 19 June 2013, Tomasz Figa wrote:
> On Wednesday 19 of June 2013 18:40:47 Mark Brown wrote:
> > On Sun, Jun 16, 2013 at 10:54:07PM +0200, Tomasz Figa wrote:
> > > One of the biggest roadblocks on the way of S3C64xx to DeviceTree
> > > support is its DMA driver, which is completely platform-specific and
> > > provides private API (s3c-dma), not even saying that its design is
> > > completely against multiplatform-awareness.
> >
> > I tried to test this on my s3c64xx based system but it gave me a kernel
> > that didn't boot far enough to give console output (there's some early
> > init stuff that uses SPI...). That said, I needed:
> >
> > diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
> > index 210a893..0f49707 100644
> > --- a/drivers/dma/amba-pl08x.c
> > +++ b/drivers/dma/amba-pl08x.c
> > @@ -313,7 +313,7 @@ static int pl08x_request_mux(struct pl08x_dma_chan
> > *plchan) int ret;
> >
> > if (plchan->mux_use++ == 0 && pd->get_signal) {
> > - ret = pd->get_signal(plchan->cd);
> > + ret = (pd->get_signal)(plchan->cd);
>
> Hmm, that's strange. The former is a completely valid piece of code...
get_signal is a macro defined in include/linux/signal.h. If that header
gets included, neither of the two is valid.
Arnd
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