From: gregkh@suse.de (Greg KH)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] fix ehci alignment error
Date: Mon, 10 Oct 2011 10:38:45 -0700 [thread overview]
Message-ID: <20111010173845.GB25114@suse.de> (raw)
In-Reply-To: <20115.11246.991917.639835@pilspetsen.it.uu.se>
On Mon, Oct 10, 2011 at 07:31:26PM +0200, Mikael Pettersson wrote:
> Greg KH writes:
> > On Mon, Oct 10, 2011 at 05:29:13PM +0100, M?ns Rullg?rd wrote:
> > > Greg KH <gregkh@suse.de> writes:
> > >
> > > > On Mon, Oct 10, 2011 at 02:38:27PM +0200, Harro Haan wrote:
> > > >> The Kirkwood gave an unaligned memory access error on
> > > >> line 742 of drivers/usb/host/echi-hcd.c:
> > > >> "ehci->last_periodic_enable = ktime_get_real();"
> > > >
> > > > What is "The Kirkwood"? What size processor is this?
> > >
> > > It's an ARM926-like CPU from Marvell.
> >
> > 32 or 64bit?
>
> All ARMs are 32-bit, but some have instructions for loading or
> storing 2 x 32 bits at a time, but also require the corresponding
> memory address to be 64-bit aligned.
Ah, ok, that makes more sense here. I'll go queue it up.
greg k-h
WARNING: multiple messages have this Message-ID (diff)
From: Greg KH <gregkh@suse.de>
To: Mikael Pettersson <mikpe@it.uu.se>
Cc: "Måns Rullgård" <mans@mansr.com>,
"Nicolas Pitre" <nico@fluxnic.net>,
linux-usb@vger.kernel.org, "Harro Haan" <hrhaan@gmail.com>,
linux-kernel@vger.kernel.org,
"Alan Stern" <stern@rowland.harvard.edu>,
"Lennert Buytenhek" <kernel@wantstofly.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] fix ehci alignment error
Date: Mon, 10 Oct 2011 10:38:45 -0700 [thread overview]
Message-ID: <20111010173845.GB25114@suse.de> (raw)
In-Reply-To: <20115.11246.991917.639835@pilspetsen.it.uu.se>
On Mon, Oct 10, 2011 at 07:31:26PM +0200, Mikael Pettersson wrote:
> Greg KH writes:
> > On Mon, Oct 10, 2011 at 05:29:13PM +0100, Måns Rullgård wrote:
> > > Greg KH <gregkh@suse.de> writes:
> > >
> > > > On Mon, Oct 10, 2011 at 02:38:27PM +0200, Harro Haan wrote:
> > > >> The Kirkwood gave an unaligned memory access error on
> > > >> line 742 of drivers/usb/host/echi-hcd.c:
> > > >> "ehci->last_periodic_enable = ktime_get_real();"
> > > >
> > > > What is "The Kirkwood"? What size processor is this?
> > >
> > > It's an ARM926-like CPU from Marvell.
> >
> > 32 or 64bit?
>
> All ARMs are 32-bit, but some have instructions for loading or
> storing 2 x 32 bits at a time, but also require the corresponding
> memory address to be 64-bit aligned.
Ah, ok, that makes more sense here. I'll go queue it up.
greg k-h
next prev parent reply other threads:[~2011-10-10 17:38 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-10 12:38 [PATCH] fix ehci alignment error Harro Haan
2011-10-10 12:38 ` Harro Haan
2011-10-10 14:14 ` Greg KH
2011-10-10 14:14 ` Greg KH
2011-10-10 16:29 ` Måns Rullgård
2011-10-10 16:29 ` Måns Rullgård
2011-10-10 17:00 ` Greg KH
2011-10-10 17:00 ` Greg KH
2011-10-10 17:31 ` Mikael Pettersson
2011-10-10 17:31 ` Mikael Pettersson
2011-10-10 17:38 ` Greg KH [this message]
2011-10-10 17:38 ` Greg KH
2011-10-10 18:41 ` Måns Rullgård
2011-10-10 18:41 ` Måns Rullgård
2011-10-10 15:28 ` Alan Stern
2011-10-10 15:28 ` Alan Stern
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