USB: Add UAS driver

USB Attached SCSI is a new protocol specified jointly by the SCSI T10
committee and the USB Implementors Forum.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Cc: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
[mina86@mina86.com: updated to use new USB_ prefix]
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/usb/storage/Kconfig b/drivers/usb/storage/Kconfig
index 8a372bac0e43..f2767cf2e229 100644
--- a/drivers/usb/storage/Kconfig
+++ b/drivers/usb/storage/Kconfig
@@ -172,6 +172,19 @@ config USB_STORAGE_CYPRESS_ATACB
 
           If this driver is compiled as a module, it will be named ums-cypress.
 
+config USB_UAS
+        tristate "USB Attached SCSI"
+        depends on USB && SCSI
+        help
+          The USB Attached SCSI protocol is supported by some USB
+          storage devices.  It permits higher performance by supporting
+          multiple outstanding commands.
+
+          If you don't know whether you have a UAS device, it is safe to
+          say 'Y' or 'M' here and the kernel will use the right driver.
+
+          If you compile this driver as a module, it will be named uas.
+
 config USB_LIBUSUAL
         bool "The shared table of common (or usual) storage devices"
         depends on USB