Re: [PATCH] serial: sh-sci: don't filter on DMA device, use only channel ID

From: Paul Mundt
Date: Mon Aug 29 2011 - 04:01:09 EST


On Fri, Jun 24, 2011 at 05:17:51PM +0530, Koul, Vinod wrote:
> On Fri, 2011-06-24 at 13:56 +0200, Guennadi Liakhovetski wrote:
> > On some sh-mobile systems there are more than one DMA controllers, that
> > can be used for serial ports. Specifying a DMA device in sh-sci platform
> > data unnecessarily restricts the driver to only use one DMA controller.
> >
> > Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
> > ---
> > drivers/tty/serial/sh-sci.c | 25 ++++++++-----------------
> > include/linux/serial_sci.h | 2 --
> > 2 files changed, 8 insertions(+), 19 deletions(-)
> >
> > diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
> > index ebd8629..8711f4e 100644
> > --- a/drivers/tty/serial/sh-sci.c
> > +++ b/drivers/tty/serial/sh-sci.c
> > @@ -1295,12 +1295,8 @@ static bool filter(struct dma_chan *chan, void *slave)
> > dev_dbg(chan->device->dev, "%s: slave ID %d\n", __func__,
> > param->slave_id);
> >
> > - if (param->dma_dev == chan->device->dev) {
> > - chan->private = param;
> > - return true;
> > - } else {
> > - return false;
> > - }
> > + chan->private = param;
> > + return true;
> You should not assign chan->private.
> Please move this to dma_slave_control API

I haven't seen any reply to this comment and this patch seems to still be
outstanding, is there an updated version of this patch that I've missed?
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