[PATCH] fix ehci alignment error
Mikael Pettersson
mikpe at it.uu.se
Mon Oct 10 13:31:26 EDT 2011
Greg KH writes:
> On Mon, Oct 10, 2011 at 05:29:13PM +0100, Måns Rullgård wrote:
> > Greg KH <gregkh at 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.
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