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SubjectRe: [PATCH v3 5/9] usb: gadget: s3c-hsotg: use generic phy_init()/phy_exit() support
On Tue, Nov 26, 2013 at 03:53:32PM +0530, Kishon Vijay Abraham I wrote:
> Hi,
>
> On Monday 25 November 2013 11:46 PM, Matt Porter wrote:
> > If a generic phy is present, call phy_init()/phy_exit(). This supports
> > generic phys that must be soft reset before power on.
> >
> > Signed-off-by: Matt Porter <matt.porter@linaro.org>
> > ---
> > drivers/usb/gadget/s3c-hsotg.c | 5 +++++
> > 1 file changed, 5 insertions(+)
> >
> > diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
> > index da3879b..8dfe33f 100644
> > --- a/drivers/usb/gadget/s3c-hsotg.c
> > +++ b/drivers/usb/gadget/s3c-hsotg.c
> > @@ -3622,6 +3622,9 @@ static int s3c_hsotg_probe(struct platform_device *pdev)
> > goto err_supplies;
> > }
> >
> > + if (hsotg->phy)
>
> IS_ERR? If your phy_get fails *phy* will have a error value..

Yes, thanks. I'll fix these and also note that the same issue exists in
Kamil's patch for these same hsotg->phy conditional uses. I'll work with
Kamil to either get those addressed there or in a follow on fix.

>
> > + phy_init(hsotg->phy);
> > +
> > /* usb phy enable */
> > s3c_hsotg_phy_enable(hsotg);
> >
> > @@ -3715,6 +3718,8 @@ static int s3c_hsotg_remove(struct platform_device *pdev)
> > }
> >
> > s3c_hsotg_phy_disable(hsotg);
> > + if (hsotg->phy)
>
> same here.

Ok.

>
> Thanks
> Kishon


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