linux-kernel - Re: [PATCH v3 4/4] usb: Add APIs to access host registers from Tegra PHY

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Date:	Fri, 18 Jan 2013 19:58:11 +0200
From:	Felipe Balbi <balbi@...com>
To:	Stephen Warren <swarren@...dotorg.org>
CC:	<balbi@...com>, Alan Stern <stern@...land.harvard.edu>,
	Venu Byravarasu <vbyravarasu@...dia.com>,
	<gregkh@...uxfoundation.org>, <linux-usb@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH v3 4/4] usb: Add APIs to access host registers from Tegra
 PHY

On Fri, Jan 18, 2013 at 10:28:38AM -0700, Stephen Warren wrote:
> On 01/18/2013 08:30 AM, Alan Stern wrote:
> > On Fri, 18 Jan 2013, Venu Byravarasu wrote:
> > 
> >> As Tegra PHY driver needs to access one of the Host registers,
> >> added few APIs.
> >>
> >> Signed-off-by: Venu Byravarasu <vbyravarasu@...dia.com>
> >> ---
> >> delta from v2:
> >> Renamed USB_PORTSC1 to TEGRA_USB_PORTSC1.
> >> Removed tegra_ehci_set_wakeon_events() and its references.
> >> Used standard defines for accessing PORTSC fields defined in ehci_def.h
> >> Included OCC bit of PORTSC as part of TEGRA_PORTSC1_RWC_BITS.
> >>
> >> delta from v1:
> >> Taken care of RWC bits, while accessing PORTSC register.
> > 
> > Acked-by: Alan Stern <stern@...land.harvard.edu>
> 
> Felipe, you said on a previous version that you weren't sure if you
> could ack this since it means the PHY driver is touching EHCI
> registers... I don't think we really have much choice w.r.t. what the
> driver is doing, since it's driven purely by HW design. Is this updated
> patched at least OK for you not to NAK it, and hence I can apply it? Thanks.

Sure I will not block it, please go ahead and apply it through your tree
;-)

cheers

-- 
balbi

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