mvebu: backport mainline patches from kernel 3.13

This is a backport of the patches accepted to the Linux mainline related to
mvebu SoC (Armada XP and Armada 370) between Linux v3.12, and Linux v3.13.
This work mainly covers:

* Finishes work for sharing the pxa nand driver(drivers/mtd/nand/pxa3xx_nand.c)
  between the PXA family, and the Armada family.
* timer initialization update, and access function for the Armada family.
* Generic IRQ handling backporting.
* Some bug fixes.

Signed-off-by: Seif Mazareeb <seif.mazareeb@gmail.com>
CC: Luka Perkov <luka@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39566 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 30 insertions, 0 deletions

diff --git a/target/linux/mvebu/patches-3.10/0177-of-irq-Avoid-calling-list_first_entry-for-empty-list.patch b/target/linux/mvebu/patches-3.10/0177-of-irq-Avoid-calling-list_first_entry-for-empty-list.patch
new file mode 100644
index 0000000000..14b3d13b03
--- /dev/null
+++ b/target/linux/mvebu/patches-3.10/0177-of-irq-Avoid-calling-list_first_entry-for-empty-list.patch
@@ -0,0 +1,30 @@
+From f159ea8ab3bce09a098d0d56c9e8909f385b87aa Mon Sep 17 00:00:00 2001
+From: Axel Lin <axel.lin@ingics.com>
+Date: Thu, 19 Dec 2013 09:30:48 -0300
+Subject: [PATCH 177/203] of/irq: Avoid calling list_first_entry() for empty
+ list
+
+list_first_entry() expects the list is not empty, we need to check if list is
+empty before calling list_first_entry(). Thus use list_first_entry_or_null()
+instead of list_first_entry().
+
+Signed-off-by: Axel Lin <axel.lin@ingics.com>
+Signed-off-by: Grant Likely <grant.likely@linaro.org>
+---
+ drivers/of/irq.c | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+--- a/drivers/of/irq.c
++++ b/drivers/of/irq.c
+@@ -488,8 +488,9 @@ void __init of_irq_init(const struct of_
+ 		}
+ 
+ 		/* Get the next pending parent that might have children */
+-		desc = list_first_entry(&intc_parent_list, typeof(*desc), list);
+-		if (list_empty(&intc_parent_list) || !desc) {
++		desc = list_first_entry_or_null(&intc_parent_list,
++						typeof(*desc), list);
++		if (!desc) {
+ 			pr_err("of_irq_init: children remain, but no parents\n");
+ 			break;
+ 		}