RE: [PATCH 5/7] usb: phy: tegra: get ULPI reset GPIO info using DT.

From: Venu Byravarasu
Date: Tue Mar 19 2013 - 00:12:48 EST


> -----Original Message-----
> From: linux-usb-owner@xxxxxxxxxxxxxxx [mailto:linux-usb-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Sergei Shtylyov
> Sent: Monday, March 18, 2013 6:32 PM
> To: Venu Byravarasu
> Cc: gregkh@xxxxxxxxxxxxxxxxxxx; stern@xxxxxxxxxxxxxxxxxxx;
> balbi@xxxxxx; linux-usb@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> swarren@xxxxxxxxxxxxx; linux-tegra@xxxxxxxxxxxxxxx; devicetree-
> discuss@xxxxxxxxxxxxxxxx
> Subject: Re: [PATCH 5/7] usb: phy: tegra: get ULPI reset GPIO info using DT.
>
> Hello.
>
> On 18-03-2013 16:29, Venu Byravarasu wrote:
>
> > As GPIO information is avail through DT, used it to get Tegra ULPI
> > reset GPIO number. Added a new member to tegra_usb_phy structure to
> > store this number.
>
> > Signed-off-by: Venu Byravarasu <vbyravarasu@xxxxxxxxxx>
> > ---
> > drivers/usb/phy/tegra_usb_phy.c | 25 +++++++++++--------------
> > include/linux/usb/tegra_usb_phy.h | 1 +
> > 2 files changed, 12 insertions(+), 14 deletions(-)
>
> > diff --git a/drivers/usb/phy/tegra_usb_phy.c
> b/drivers/usb/phy/tegra_usb_phy.c
> > index b5b2037..29c5ac4 100644
> > --- a/drivers/usb/phy/tegra_usb_phy.c
> > +++ b/drivers/usb/phy/tegra_usb_phy.c
> [...]
> > @@ -622,18 +619,18 @@ static int tegra_phy_init(struct usb_phy *x)
> [...]
> > - gpio_request(ulpi_config->reset_gpio, "ulpi_phy_reset_b");
> > - gpio_direction_output(ulpi_config->reset_gpio, 0);
> > + gpio_request(phy->reset_gpio, "ulpi_phy_reset_b");
> > + gpio_direction_output(phy->reset_gpio, 0);
>
> Why not use goio_request_one() instead of these two? Thought maybe it's
> a
> material of another patch...

Sure, can take this up as part of next patch.
Thanks for the review.

>
> WBR, Sergei
>
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