RE: [PATCH 1/3 v4] usb: chipidea: Reallocate regmap only if lpm isdetected

From: Peter Chen
Date: Tue Dec 03 2013 - 08:57:53 EST




> >
> > Signed-off-by: Chris Ruehl <chris.ruehl@xxxxxxxxxxxx>
> > Acked-by: Peter Chen <peter.chen@xxxxxxxxxxxxx>
> > ---
> > drivers/usb/chipidea/core.c | 7 ++++++-
> > 1 file changed, 6 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
> > index 5d8981c..9a5ef20 100644
> > --- a/drivers/usb/chipidea/core.c
> > +++ b/drivers/usb/chipidea/core.c
> > @@ -208,7 +208,8 @@ static int hw_device_init(struct ci_hdrc *ci, void
> __iomem *base)
> > reg = hw_read(ci, CAP_HCCPARAMS, HCCPARAMS_LEN) >>
> > __ffs(HCCPARAMS_LEN);
> > ci->hw_bank.lpm = reg;
> > - hw_alloc_regmap(ci, !!reg);
> > + if (reg)
> > + hw_alloc_regmap(ci, !!reg);
> > ci->hw_bank.size = ci->hw_bank.op - ci->hw_bank.abs;
> > ci->hw_bank.size += OP_LAST;
> > ci->hw_bank.size /= sizeof(u32);
> > @@ -642,6 +643,10 @@ static int ci_hdrc_probe(struct platform_device
> *pdev)
> > : CI_ROLE_GADGET;
> > }
> >
> > + /* only update vbus status for peripheral */
> > + if (ci->role == CI_ROLE_GADGET)
> > + ci_handle_vbus_change(ci);
> > +
>
> This change seems unrelated to me.
>
> Marc

Hi Chris. Why above change is there, it is not existed at your v3 patch.

Peter

>
> > ret = ci_role_start(ci, ci->role);
> > if (ret) {
> > dev_err(dev, "can't start %s role\n", ci_role(ci)->name);
> >
>
>
> --
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