[3.11.y.z extended stable] Patch "mtip32xx: Set queue bounce limit" has been added to staging queue

[Luis Henriques]

This is a note to let you know that I have just added a patch titled

    mtip32xx: Set queue bounce limit

to the linux-3.11.y-queue branch of the 3.11.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.11.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.11.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

------

>From d395baa8ddd8afd14885c71de8fe32c616668dfa Mon Sep 17 00:00:00 2001
From: Felipe Franciosi <felipe at paradoxo.org>
Date: Thu, 13 Mar 2014 14:34:20 +0000
Subject: mtip32xx: Set queue bounce limit

commit 1044b1bb9278f2e656a1a7b63dc24a59506540aa upstream.

We need to set the queue bounce limit during the device initialization to
prevent excessive bouncing on 32 bit architectures.

Signed-off-by: Felipe Franciosi <felipe at paradoxo.org>
Signed-off-by: Jens Axboe <axboe at fb.com>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 drivers/block/mtip32xx/mtip32xx.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 952dbfe..bd3d207 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -4040,6 +4040,7 @@ skip_create_disk:
 	blk_queue_max_hw_sectors(dd->queue, 0xffff);
 	blk_queue_max_segment_size(dd->queue, 0x400000);
 	blk_queue_io_min(dd->queue, 4096);
+	blk_queue_bounce_limit(dd->queue, dd->pdev->dma_mask);

 	/*
 	 * write back cache is not supported in the device. FUA depends on
--
1.9.1