1 files changed, 35 insertions, 0 deletions

diff --git a/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/0012-MTD-NAND-omap2-proper-fix-for-subpage-read-ECC-error.patch b/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/0012-MTD-NAND-omap2-proper-fix-for-subpage-read-ECC-error.patch
new file mode 100644
index 00000000..a8f3d8b4
--- /dev/null
+++ b/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/0012-MTD-NAND-omap2-proper-fix-for-subpage-read-ECC-error.patch
@@ -0,0 +1,35 @@
+From 7d8868d73fdd95eb928f54f881978590643e50cc Mon Sep 17 00:00:00 2001
+From: Steve Sakoman <steve@sakoman.com>
+Date: Thu, 31 Dec 2009 07:05:02 -0800
+Subject: [PATCH 12/45] MTD: NAND: omap2: proper fix for subpage read ECC errors
+
+---
+ drivers/mtd/nand/omap2.c |   11 +++++++----
+ 1 files changed, 7 insertions(+), 4 deletions(-)
+
+diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
+index 08c193c..9b185b0 100644
+--- a/drivers/mtd/nand/omap2.c
++++ b/drivers/mtd/nand/omap2.c
+@@ -295,11 +295,14 @@ static void omap_read_buf_pref(struct mtd_info *mtd, u_char *buf, int len)
+        u32 *p = (u32 *)buf;
+ 
+        /* take care of subpage reads */
+-       for (; len % 4 != 0; ) {
+-               *buf++ = __raw_readb(info->nand.IO_ADDR_R);
+-               len--;
++       if (len % 4) {
++               if (info->nand.options & NAND_BUSWIDTH_16)
++                       omap_read_buf16(mtd, buf, len % 4);
++               else
++                       omap_read_buf8(mtd, buf, len % 4);
++               p = (u32 *) (buf + len % 4);
++               len -= len % 4;
+        }
+-       p = (u32 *) buf;
+ 
+        /* configure and start prefetch transfer */
+        ret = gpmc_prefetch_enable(info->gpmc_cs, 0x0, len, 0x0);
+-- 
+1.6.6.1
+