On Mon, 2011-11-28 at 17:43 +0200, ext Tomi Valkeinen wrote:
> On Mon, 2011-11-28 at 11:08 +0200, Carlos Chinea wrote:
> > Hi Tomi,
> >
> > Just a question/suggestion, bellow:
> >
> > On Thu, 2011-11-24 at 15:29 +0200, ext Tomi Valkeinen wrote:
> > > Use the new lane config in dsi_set_lane_config().
> > >
> > > Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
> > > ---
> > > drivers/video/omap2/dss/dsi.c | 84 +++++++++++++++++++---------------------
> > > 1 files changed, 40 insertions(+), 44 deletions(-)
> > >
> > > diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
> > > index aea110c..ba8d6b3 100644
> > > --- a/drivers/video/omap2/dss/dsi.c
> > > +++ b/drivers/video/omap2/dss/dsi.c
> > > @@ -2154,59 +2154,53 @@ static int dsi_parse_lane_config(struct omap_dss_device *dssdev)
> > > return 0;
> > > }
> > >
> > > -static void dsi_set_lane_config(struct omap_dss_device *dssdev)
> > > +static int dsi_set_lane_config(struct omap_dss_device *dssdev)
> > > {
> > > struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
> > > + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
> > > + static const u8 offsets[] = { 0, 4, 8, 12, 16 };
> > > + static const enum dsi_lane_function functions[] = {
> > > + DSI_LANE_CLK,
> > > + DSI_LANE_DATA1,
> > > + DSI_LANE_DATA2,
> > > + DSI_LANE_DATA3,
> > > + DSI_LANE_DATA4,
> > > + };
> >
> > Patch 05 of the series has a function (dsi_parse_lane_config) with
> > exactly the same static local declaration. Wouldn't be better to have an
> > static global declaration instead to save some space ? or are the values
> > from those functions going to differ in the near future ?
>
> True, the array could be a global, and no, I don't think they'll change
> in the near future.
>
> But the data is more like function internal stuff than global data. The
> functions want to parse and set the lane configs in particular order,
> and use the array for that.
>
> While the order happens to be the same in both functions, I still felt
> the array is internal to each function rather than global data.
Fine for me then.
Br,
Carlos
> Looking
> from outside the function, the order doesn't matter. It's just an
> internal detail.
>
> Tomi
>
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