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From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 1/2] usb: ehci: exynos: set/reset hsic phys
Date: Sat, 4 Jan 2014 08:16:24 +0100	[thread overview]
Message-ID: <201401040816.24511.marex@denx.de> (raw)
In-Reply-To: <CAG17yqQj0ukCjOJZeTFunz-N06QEBzeUcUTsiJWPH6fke0_eQg@mail.gmail.com>

On Friday, January 03, 2014 at 06:03:47 AM, Inderpal Singh wrote:
> Hi Marek,
> 
> Thanks for the review.
> 
> On 3 January 2014 06:24, Marek Vasut <marex@denx.de> wrote:
> > On Thursday, January 02, 2014 at 10:41:58 AM, Inderpal Singh wrote:
> > > From: Inderpal Singh <chander.kashyap@linaro.org>
> > > 
> > > The controller has 3 ports. The port0 is for USB 2.0 Phy, port1 and
> > > port2 are for HSIC phys. The usb 2.0 phy is already being setup. This
> > > patch sets up the hsic phys.
> > > 
> > > Signed-off-by: Inderpal Singh <inderpal.singh@linaro.org>
> > > ---
> > > 
> > >  arch/arm/include/asm/arch-exynos/ehci.h |   14 +++++++++++
> > >  drivers/usb/host/ehci-exynos.c          |   39
> > > 
> > > +++++++++++++++++++++++++++++++ 2 files changed, 53 insertions(+)
> > 
> > Is it OK to set all the ports up unconditionally ? I am not sure about
> > exynos of
> > course, but is it possible there are some machines which don't use the
> > HSIC ports and this would have some kind of adverse effects on those?
> 
> I feel it should not cause any side effect as it wont interfere with the
> normal USB 2.0 phy port. Also, its being done along the same lines as
> kernel driver at drivers/usb/phy/phy-samsung-usb2.c, which also sets up all
> ports unconditionally.

OK, I won't fight this. I would be much more inclined to being able to 
conditionally select which ports get configured. Especially, since you do know 
that information from DT, dont you?

Best regards,
Marek Vasut

  reply	other threads:[~2014-01-04  7:16 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-02  9:41 [U-Boot] [PATCH v2 0/2] Add usb ethernet support for Arndale Inderpal Singh
2014-01-02  9:41 ` [U-Boot] [PATCH v2 1/2] usb: ehci: exynos: set/reset hsic phys Inderpal Singh
2014-01-03  0:54   ` Marek Vasut
2014-01-03  5:03     ` Inderpal Singh
2014-01-04  7:16       ` Marek Vasut [this message]
2014-01-06  6:20         ` Inderpal Singh
2014-01-06 15:45           ` Marek Vasut
2014-01-07  5:19             ` Minkyu Kang
2014-01-02  9:41 ` [U-Boot] [PATCH v2 2/2] usb: exynos5: arndale: Add network support Inderpal Singh
2014-01-03  0:56   ` Marek Vasut
2014-01-03  5:14     ` Inderpal Singh
2014-01-04  7:19       ` Marek Vasut
2014-01-06  6:22         ` Inderpal Singh
2014-01-06 15:46           ` Marek Vasut

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