Cc: netdev
On Fri, Jun 14, 2013 at 9:38 PM, Jussi Kivilinna jussi.kivili...@iki.fi wrote:
Appearently some out-of-tree USB host drivers do not handle DMA alignment for
Looks these host drivers have to face the fact that the transfer buffer is often
DMA non-aligned from network device drivers(in
On 14.06.2013 23:20, Alan Stern wrote:
On Fri, 14 Jun 2013, Jussi Kivilinna wrote:
Appearently some out-of-tree USB host drivers do not handle DMA alignment for
URB buffers and let core/hcd.c to do the mapping on architectures that have
minimum DMA alignment requirements. This leads to
On 15.06.2013 10:41, Ming Lei wrote:
Cc: netdev
On Fri, Jun 14, 2013 at 9:38 PM, Jussi Kivilinna jussi.kivili...@iki.fi
wrote:
Appearently some out-of-tree USB host drivers do not handle DMA alignment for
Looks these host drivers have to face the fact that the transfer buffer is
often
On Sat, Jun 15, 2013 at 6:19 PM, Jussi Kivilinna jussi.kivili...@iki.fi wrote:
On 15.06.2013 10:41, Ming Lei wrote:
Cc: netdev
On Fri, Jun 14, 2013 at 9:38 PM, Jussi Kivilinna jussi.kivili...@iki.fi
wrote:
Appearently some out-of-tree USB host drivers do not handle DMA alignment
for
On 15.06.2013 15:07, Ming Lei wrote:
On Sat, Jun 15, 2013 at 6:19 PM, Jussi Kivilinna jussi.kivili...@iki.fi
wrote:
On 15.06.2013 10:41, Ming Lei wrote:
Cc: netdev
On Fri, Jun 14, 2013 at 9:38 PM, Jussi Kivilinna jussi.kivili...@iki.fi
wrote:
Appearently some out-of-tree USB host drivers
On 15.06.2013 16:10, Jussi Kivilinna wrote:
[...]
Instead of fixing host drivers, users end up posting bug reports against
those USB device drivers that use unaligned buffers for URB; such as with
rtl8192cu
(http://thread.gmane.org/gmane.linux.kernel.wireless.general/105631).
Not only
On Sat, Jun 15, 2013 at 9:10 PM, Jussi Kivilinna jussi.kivili...@iki.fi wrote:
On 15.06.2013 15:07, Ming Lei wrote:
On Sat, Jun 15, 2013 at 6:19 PM, Jussi Kivilinna jussi.kivili...@iki.fi
wrote:
On 15.06.2013 10:41, Ming Lei wrote:
Cc: netdev
On Fri, Jun 14, 2013 at 9:38 PM, Jussi
