ramips: add linux 4.4 support, update mt7621 subtarget to 4.4

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@48951 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 29 insertions, 0 deletions

diff --git a/target/linux/ramips/patches-4.4/0036-mtd-fix-cfi-cmdset-0002-erase-status-check.patch b/target/linux/ramips/patches-4.4/0036-mtd-fix-cfi-cmdset-0002-erase-status-check.patch
new file mode 100644
index 0000000000..b6189fe096
--- /dev/null
+++ b/target/linux/ramips/patches-4.4/0036-mtd-fix-cfi-cmdset-0002-erase-status-check.patch
@@ -0,0 +1,29 @@
+From 8e72a3a1be8f6328bd7ef491332ba541547b6086 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Mon, 15 Jul 2013 00:38:51 +0200
+Subject: [PATCH 36/53] mtd: fix cfi cmdset 0002 erase status check
+
+---
+ drivers/mtd/chips/cfi_cmdset_0002.c |    4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -2291,7 +2291,7 @@ static int __xipram do_erase_chip(struct
+ 			chip->erase_suspended = 0;
+ 		}
+ 
+-		if (chip_ready(map, adr))
++		if (chip_good(map, adr, map_word_ff(map)))
+ 			break;
+ 
+ 		if (time_after(jiffies, timeo)) {
+@@ -2380,7 +2380,7 @@ static int __xipram do_erase_oneblock(st
+ 			chip->erase_suspended = 0;
+ 		}
+ 
+-		if (chip_ready(map, adr)) {
++		if (chip_good(map, adr, map_word_ff(map))) {
+ 			xip_enable(map, chip, adr);
+ 			break;
+ 		}