Messages in this thread |  | | | Date | Fri, 4 Feb 2011 12:16:16 -0800 | | From | Greg KH <> | | Subject | Re: [PATCH 3/3] USB: ehci: tegra: Align DMA transfers to 32 bytes |
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On Fri, Feb 04, 2011 at 12:14:54PM -0800, Olof Johansson wrote: > On Fri, Feb 4, 2011 at 11:49 AM, Greg KH <greg@kroah.com> wrote: > > On Wed, Jan 26, 2011 at 07:06:49PM -0800, Robert Morell wrote: > >> The Tegra2 USB controller doesn't properly deal with misaligned DMA > >> buffers, causing corruption. This is especially prevalent with USB > >> network adapters, where skbuff alignment is often in the middle of a > >> 4-byte dword. > >> > >> To avoid this, allocate a temporary buffer for the DMA if the provided > >> buffer isn't sufficiently aligned. > >> > >> Signed-off-by: Robert Morell <rmorell@nvidia.com> > >> --- > >> drivers/usb/host/ehci-tegra.c | 90 +++++++++++++++++++++++++++++++++++++++++ > > > > This file doesn't seem to be in any tree that I can find, including my > > own, so I can't apply this patch. > > > > What am I supposed to do with it? > > It hasn't been posted for upstream yet, so nothing for you to do. The > driver will be posted for review soon, hopefully in time for .39.
Then why would someone send me a patch for it already?
Still confused,
greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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