On Mon, 2010-11-15 at 10:52 +0100, Jimmy RUBIN wrote:
> > Just trivia:
[]
> > It'd be nice to change to continuous_running
> Continous_running [...]
It was just a spelling comment.
continous
continuous
>
> > > +int mcde_dsi_dcs_write(struct mcde_chnl_state *chnl, u8 cmd, u8*
> > data, int len)
> > > +{
> > > + int i;
> > > + u32 wrdat[4] = { 0, 0, 0, 0 };
> > > + u32 settings;
> > > + u8 link = chnl->port.link;
> > > + u8 virt_id = chnl->port.phy.dsi.virt_id;
> > > +
> > > + /* REVIEW: One command at a time */
> > > + /* REVIEW: Allow read/write on unreserved ports */
> > > + if (len > MCDE_MAX_DCS_WRITE || chnl->port.type !=
> > MCDE_PORTTYPE_DSI)
> > > + return -EINVAL;
> > > +
> > > + wrdat[0] = cmd;
> > > + for (i = 1; i <= len; i++)
> > > + wrdat[i>>2] |= ((u32)data[i-1] << ((i & 3) * 8));
> >
> > Ever overrun wrdat?
> > Maybe WARN_ON(len > 16, "oops?")
> >
> MCDE_MAX_DCS_WRITE is 15 so it will be an early return in that case.
Perhaps it'd be better to use
DECLARE_BITMAP(wrdat, MCDE_MAX_DCS_WRITE);
or some other mechanism to link the array
size to the #define.
> /Jimmy
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