Re: [PATCH 4/6] usb: chipidea: usbmisc: add support for ahb, ipg and per clock

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On Wed, Nov 14, 2012 at 03:39:11PM +0200, Alexander Shishkin wrote:
> Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx> writes:
> 
> > From: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
> >
> > This patch adds support for ahb, ipg and per clock, which is needed to support
> > imx53.
> 
> I would also suggest using a more elaborate wording here, some people
> might also be interested what are the different clocks for (like,
> interface, peripheral, etc etc).
> 

Will do in V2.

> >
> > Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
> > Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
> > ---
> >  drivers/usb/chipidea/usbmisc_imx.c |   60 +++++++++++++++++++++++++++---------
> >  1 file changed, 45 insertions(+), 15 deletions(-)
> >
> > diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c
> > index 72445f7..239b752 100644
> > --- a/drivers/usb/chipidea/usbmisc_imx.c
> > +++ b/drivers/usb/chipidea/usbmisc_imx.c
> > @@ -24,7 +24,9 @@
> >  struct imx_usbmisc {
> >  	void __iomem *base;
> >  	spinlock_t lock;
> > -	struct clk *clk;
> > +	struct clk *clk_ahb;
> > +	struct clk *clk_ipg;
> > +	struct clk *clk_per;
> >  	struct usbmisc_usb_device usbdev[USB_DEV_MAX];
> >  	const struct usbmisc_ops *ops;
> >  };
> > @@ -104,38 +106,66 @@ static int __devinit usbmisc_imx_probe(struct platform_device *pdev)
> >  	if (!data->base)
> >  		return -EADDRNOTAVAIL;
> >  
> > -	data->clk = devm_clk_get(&pdev->dev, NULL);
> > -	if (IS_ERR(data->clk)) {
> > +	data->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
> 
> I suppose the clock names are also being added/changed in the platform
> code in another patchset that's also being queued? What's the target
> merge window (if there's a dependency)?

Yes we have more branches to be published next. One of them is
adding the usb device tree nodes and clock entries for mx53.

Thanks,
Michael

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