Re: [PATCH 3/7] USB: chipidea: add PTW, PTS and STS handling

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Hey Alex,

On Mon, Jun 03, 2013 at 03:35:37PM +0300, Alexander Shishkin wrote:
> Michael Grzeschik <mgr@xxxxxxxxxxxxxx> writes:
> 
> > From: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
> >
> > This patch makes it possible to configure the PTW, PTS and STS bits
> > inside the portsc register for host and device mode before the driver
> > starts and the phy can be addressed as hardware implementation is
> > designed.
> 
> The bulk of this patch is good, but the OF part should still go to
> ci13xxx_imx along with the dt bindings description.

referring to the last discussion [¹] about what should be handled
where, your last statement is pretty confusing. We might say we
somehow stuck in a loop if i would repost this patch again
and somebody (probably you :]) is telling me to do the opposite again!

If you have a closer look, you can see that we are checking for
valid pdata:

@@ -408,6 +452,9 @@ static int ci_hdrc_probe(struct platform_device *pdev)
                return -ENODEV;
        }

+       if (!ci->platdata->phy_mode)
+               ci->platdata->phy_mode = of_usb_get_phy_mode(dev->of_node);
+

This way we can ensure that platforms without OF still
can use the pdata. _But_ we always fall back to OF in the
core _if_ nobody cared. This should be done with all properties
that are not SoC, but _common_ device specific settings.

[¹] https://patchwork.kernel.org/patch/2196981/

Thanks,
Michael

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