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(parent: cc901bb) | patch
USB: usb-storage: use adaptive DMA mask
authorAlan Stern <stern@rowland.harvard.edu>
Thu, 27 Mar 2008 18:52:57 +0000 (14:52 -0400)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 25 Apr 2008 04:16:46 +0000 (21:16 -0700)
commit148d9fe4c91a6356dae1b05b76b8133586c26be4
tree46156fcacfb5a402c9f222a06257b3926ff17497tree | snapshot
parentcc901bbb2e2a4e4f96da3d70dae332882c10054bcommit | diff
USB: usb-storage: use adaptive DMA mask

This patch (as1060) makes usb-storage set the DMA alignment mask for
SCSI slaves to match the maxpacket size of the bulk-IN endpoint,
rather than always setting it to 511.  For full-speed devices that
mask is too restrictive, and wireless USB devices can have maxpacket
sizes larger than 512.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/storage/scsiglue.c diff | blob | history
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