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

Venu Byravarasu vbyravarasu at nvidia.com
Tue Mar 19 15:12:26 EST 2013


> -----Original Message-----
> From: linux-usb-owner at vger.kernel.org [mailto:linux-usb-
> owner at vger.kernel.org] On Behalf Of Sergei Shtylyov
> Sent: Monday, March 18, 2013 6:32 PM
> To: Venu Byravarasu
> Cc: gregkh at linuxfoundation.org; stern at rowland.harvard.edu;
> balbi at ti.com; linux-usb at vger.kernel.org; linux-kernel at vger.kernel.org;
> swarren at wwwdotorg.org; linux-tegra at vger.kernel.org; devicetree-
> discuss at lists.ozlabs.org
> 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 at nvidia.com>
> > ---
> >   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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