[PATCH] i2c: mxs: disable QUEUE when sending is done

[Uwe Kleine-König]

On Fri, Apr 27, 2012 at 11:51:56AM -0300, Fabio Estevam wrote:
> Hi Wolfram,
> 
> On Fri, Apr 27, 2012 at 11:23 AM, Wolfram Sang <w.sang at pengutronix.de> wrote:
> 
> >        if (i2c->cmd_err == -ENXIO)
> >                mxs_i2c_reset(i2c);
> > +       else
> > +               writel(MXS_I2C_QUEUECTRL_QUEUE_RUN,
> > +                               i2c->regs + MXS_I2C_QUEUECTRL_CLR);
> 
> When setting the QUEUE_RUN, do we really want to clear all the other
> bits of QUEUECTRL_CLR register?
> 
> I am wondering if we should only set QUEUE_RUN bit here.
I didn't check the manual, but I guess writing to MXS_I2C_QUEUECTRL_CLR
just clears the QUEUE_RUN bit and nothing else?!

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |