diff options
| author | John Crispin <john@openwrt.org> | 2014-03-30 09:15:37 +0000 |
|---|---|---|
| committer | John Crispin <john@openwrt.org> | 2014-03-30 09:15:37 +0000 |
| commit | 561a7ef93bf641d331ccb023db4b099905287552 (patch) | |
| tree | 5d95050e6bdcddde8a3679bb12be86159bf11b9e /target | |
| parent | d6a138141cef67324604cfa0a409b40731924939 (diff) | |
| download | upstream-561a7ef93bf641d331ccb023db4b099905287552.tar.gz upstream-561a7ef93bf641d331ccb023db4b099905287552.tar.bz2 upstream-561a7ef93bf641d331ccb023db4b099905287552.zip | |
lantiq: fix nand/ebu locking
Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 40310
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/lantiq/patches-3.10/0104-nand.patch | 21 |
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; |