aboutsummaryrefslogtreecommitdiffstats
path: root/target
diff options
context:
space:
mode:
authorJohn Crispin <blogic@openwrt.org>2014-03-30 09:15:37 +0000
committerJohn Crispin <blogic@openwrt.org>2014-03-30 09:15:37 +0000
commit5fce5385d48eb04b98584be20bf965a4b00a5ab9 (patch)
tree70f8562f945f189c66bee4e6475f43007aa6bda0 /target
parentd0d38776330ad4a01da62cb4c35f74fecd2c0d86 (diff)
downloadupstream-5fce5385d48eb04b98584be20bf965a4b00a5ab9.tar.gz
upstream-5fce5385d48eb04b98584be20bf965a4b00a5ab9.tar.bz2
upstream-5fce5385d48eb04b98584be20bf965a4b00a5ab9.zip
lantiq: fix nand/ebu locking
Signed-off-by: John Crispin <blogic@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40310 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target')
-rw-r--r--target/linux/lantiq/patches-3.10/0104-nand.patch21
1 files changed, 21 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.10/0104-nand.patch b/target/linux/lantiq/patches-3.10/0104-nand.patch
new file mode 100644
index 0000000000..2712e761f0
--- /dev/null
+++ b/target/linux/lantiq/patches-3.10/0104-nand.patch
@@ -0,0 +1,21 @@
+Index: linux-3.10.34/drivers/mtd/nand/xway_nand.c
+===================================================================
+--- linux-3.10.34.orig/drivers/mtd/nand/xway_nand.c 2014-03-28 11:51:49.790953906 +0000
++++ linux-3.10.34/drivers/mtd/nand/xway_nand.c 2014-03-28 15:45:08.196369790 +0000
+@@ -80,13 +80,16 @@
+
+ static void xway_select_chip(struct mtd_info *mtd, int chip)
+ {
++ static unsigned long csflags;
+
+ switch (chip) {
+ case -1:
+ ltq_ebu_w32_mask(NAND_CON_CE, 0, EBU_NAND_CON);
+ ltq_ebu_w32_mask(NAND_CON_NANDM, 0, EBU_NAND_CON);
++ spin_unlock_irqrestore(&ebu_lock, csflags);
+ break;
+ case 0:
++ spin_lock_irqsave(&ebu_lock, csflags);
+ ltq_ebu_w32_mask(0, NAND_CON_NANDM, EBU_NAND_CON);
+ ltq_ebu_w32_mask(0, NAND_CON_CE, EBU_NAND_CON);
+ break;