[PATCH 3/7] pinctrl: imx1 core driver
Markus Pargmann
mpa at pengutronix.de
Fri Aug 2 06:54:41 EDT 2013
On Fri, Aug 02, 2013 at 02:51:24PM +0400, Alexander Shiyan wrote:
> > Signed-off-by: Markus Pargmann <mpa at pengutronix.de>
> > ---
> [...]
> > +++ b/drivers/pinctrl/pinctrl-imx1-core.c
> > @@ -0,0 +1,667 @@
> > +/*
> > + * Core driver for the imx pin controller in imx1/21/27
> [...]
> > +static void imx1_write_2bit(struct imx1_pinctrl *ipctl, unsigned int pin_id,
> > + u32 value, u32 reg_offset)
> > +{
> > + void __iomem *reg = imx1_mem(ipctl, pin_id) + reg_offset;
> > + int shift = (pin_id % 16) * 2;
> > + int mask = ~(0x3 << shift);
>
> 0x3.
>
> > + u32 old_value;
> > +
> > + dev_dbg(ipctl->dev, "write: register 0x%p shift %d value 0x%x\n",
> > + reg, shift, value);
> > +
> > + if (pin_id % 32 >= 16)
> > + reg += 0x04;
> > +
> > + value = (value & 0x11) << shift;
>
> 0x11. Is this correct?
oh no, should be 0x3.
Thanks,
Markus
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