[PATCH v3 2/4] pinctrl: Add NVIDIA Tegra XUSB pad controller support
Thierry Reding
thierry.reding at gmail.com
Tue Jun 17 05:09:00 PDT 2014
On Tue, Jun 17, 2014 at 02:20:25PM +0300, Mikko Perttunen wrote:
> This v3 breaks SATA; see below
>
> On 16/06/14 17:57, Thierry Reding wrote:
> ...
> >+ regval = padctl_readl(padctl, lane->offset);
> >+
> >+ if (!value)
> >+ regval &= ~lane->iddq;
> >+ else
> >+ regval |= lane->iddq;
> >+
> >+ padctl_writel(padctl, regval, lane->offset);
> ...
>
> The bits at at lane->iddq are actually IDDQ_DISABLE bits, so this is the
> wrong way around: having iddq = <0> in device tree leads to the device
> turning off. So either the DT property should be renamed or the branches of
> the if here should be switched around.
Indeed, s/!value/value/ in the above fixes this. I've sent a v4 with
that fix and changes to address Stephen's comments regarding the
#address-cells and #size-cells properties.
Thanks,
Thierry
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