Re: [PATCH 5/9 v3] serial: sh-sci: prepare for conversion to theshdma base library

[Guennadi Liakhovetski]

On Tue, 15 May 2012, Vinod Koul wrote:

> On Wed, 2012-05-09 at 17:09 +0200, Guennadi Liakhovetski wrote:
> > Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
> > Cc: Alan Cox <alan@xxxxxxxxxxxxxxx>
> > ---
> >  drivers/tty/serial/sh-sci.c |    8 ++++----
> >  1 files changed, 4 insertions(+), 4 deletions(-)
> > 
> > diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
> > index bf461cf..49e3b2a 100644
> > --- a/drivers/tty/serial/sh-sci.c
> > +++ b/drivers/tty/serial/sh-sci.c
> > @@ -1579,9 +1579,9 @@ static bool filter(struct dma_chan *chan, void *slave)
> >  	struct sh_dmae_slave *param = slave;
> >  
> >  	dev_dbg(chan->device->dev, "%s: slave ID %d\n", __func__,
> > -		param->slave_id);
> > +		param->shdma_slave.slave_id);
> >  
> > -	chan->private = param;
> > +	chan->private = &param->shdma_slave;
> passing stuff using chan->private is a dead road, so don't use it.

As you see, it _is_ already done now and has been that way since some 
time. We do want to change this, but not with this patch series.

> >  	return true;
> >  }
> >  
> > @@ -1620,7 +1620,7 @@ static void sci_request_dma(struct uart_port *port)
> >  	param = &s->param_tx;
> >  
> >  	/* Slave ID, e.g., SHDMA_SLAVE_SCIF0_TX */
> > -	param->slave_id = s->cfg->dma_slave_tx;
> > +	param->shdma_slave.slave_id = s->cfg->dma_slave_tx;
> >  
> >  	s->cookie_tx = -EINVAL;
> >  	chan = dma_request_channel(mask, filter, param);
> > @@ -1648,7 +1648,7 @@ static void sci_request_dma(struct uart_port *port)
> >  	param = &s->param_rx;
> >  
> >  	/* Slave ID, e.g., SHDMA_SLAVE_SCIF0_RX */
> > -	param->slave_id = s->cfg->dma_slave_rx;
> > +	param->shdma_slave.slave_id = s->cfg->dma_slave_rx;
> >  
> >  	chan = dma_request_channel(mask, filter, param);
> >  	dev_dbg(port->dev, "%s: RX: got channel %p\n", __func__, chan);

Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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