[3.13.y.z extended stable] Patch "bus: mvebu-mbus: allow several windows with the same target/attribute" has been added to staging queue

[Kamal Mostafa]

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

    bus: mvebu-mbus: allow several windows with the same target/attribute

to the linux-3.13.y-queue branch of the 3.13.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-3.13.y-queue

This patch is scheduled to be released in version 3.13.11.4.

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

For more information about the 3.13.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

------

>From 91413889b4eecb4437355d055ebd75278840c135 Mon Sep 17 00:00:00 2001
From: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Date: Fri, 18 Apr 2014 14:19:52 +0200
Subject: bus: mvebu-mbus: allow several windows with the same target/attribute

commit b566e782be32145664d96ada3e389f17d32742e5 upstream.

Having multiple windows with the same target and attribute is actually
legal, and can be useful for PCIe windows, when PCIe BARs have a size
that isn't a power of two, and we therefore need to create several
MBus windows to cover the PCIe BAR for a given PCIe interface.

Fixes: fddddb52a6c4 ('bus: introduce an Marvell EBU MBus driver')
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Link: https://lkml.kernel.org/r/1397823593-1932-7-git-send-email-thomas.petazzoni@free-electrons.com
Tested-by: Neil Greatorex <neil at fatboyfat.co.uk>
Signed-off-by: Jason Cooper <jason at lakedaemon.net>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 drivers/bus/mvebu-mbus.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c
index 2394e97..b4bd72b 100644
--- a/drivers/bus/mvebu-mbus.c
+++ b/drivers/bus/mvebu-mbus.c
@@ -222,12 +222,6 @@ static int mvebu_mbus_window_conflicts(struct mvebu_mbus_state *mbus,
 		 */
 		if ((u64)base < wend && end > wbase)
 			return 0;
-
-		/*
-		 * Check if target/attribute conflicts
-		 */
-		if (target == wtarget && attr == wattr)
-			return 0;
 	}

 	return 1;
--
1.9.1