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authorhcg <hcg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-08-25 10:37:30 +0000
committerhcg <hcg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-08-25 10:37:30 +0000
commit3e6e12295cb214c967095c990cc25bd00d06549e (patch)
tree9e28fa4b8d055118706ed3310de08b82f395fe63
parentf4945cfe79ad6c9ac2bfef5c6505e45cae3a709b (diff)
[omap35xx]: Re-order patches, add nand sub-page alignment
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28084 3c298f89-4303-0410-b956-a3cf2f4a3e73
-rw-r--r--target/linux/omap35xx/patches-3.0/001-change_partition_table.patch (renamed from target/linux/omap35xx/patches-3.0/003-change_partition_table.patch)0
-rw-r--r--target/linux/omap35xx/patches-3.0/002-fix_twl_rtc.patch (renamed from target/linux/omap35xx/patches-3.0/004-fix-twl-rtc.patch)0
-rw-r--r--target/linux/omap35xx/patches-3.0/003-nand_subpage_align.patch22
3 files changed, 22 insertions, 0 deletions
diff --git a/target/linux/omap35xx/patches-3.0/003-change_partition_table.patch b/target/linux/omap35xx/patches-3.0/001-change_partition_table.patch
index 65ba45a35..65ba45a35 100644
--- a/target/linux/omap35xx/patches-3.0/003-change_partition_table.patch
+++ b/target/linux/omap35xx/patches-3.0/001-change_partition_table.patch
diff --git a/target/linux/omap35xx/patches-3.0/004-fix-twl-rtc.patch b/target/linux/omap35xx/patches-3.0/002-fix_twl_rtc.patch
index ef243ea47..ef243ea47 100644
--- a/target/linux/omap35xx/patches-3.0/004-fix-twl-rtc.patch
+++ b/target/linux/omap35xx/patches-3.0/002-fix_twl_rtc.patch
diff --git a/target/linux/omap35xx/patches-3.0/003-nand_subpage_align.patch b/target/linux/omap35xx/patches-3.0/003-nand_subpage_align.patch
new file mode 100644
index 000000000..4bb854db6
--- /dev/null
+++ b/target/linux/omap35xx/patches-3.0/003-nand_subpage_align.patch
@@ -0,0 +1,22 @@
+diff -urN linux-2.6.38.old/drivers/mtd/nand/omap2.c linux-2.6.38/drivers/mtd/nand/omap2.c
+--- linux-2.6.38.old/drivers/mtd/nand/omap2.c 2011-03-15 02:20:32.000000000 +0100
++++ linux-2.6.38/drivers/mtd/nand/omap2.c 2011-03-21 15:05:21.000000000 +0100
+@@ -245,6 +245,18 @@
+ int ret = 0;
+ u32 *p = (u32 *)buf;
+
++ /* u32 align the buffer and read */
++ /* NB: This assumes the buf ptr can be aligned *down* which is a valid.
++ * Assumption when dealing with ecc buffers etc.
++ */
++ u32 addr = (u32)p;
++
++ int diff = addr & 3;
++ addr -= diff;
++ len += diff;
++ len = (len + 3) & ~3;
++ p = (u32 *)addr;
++
+ /* take care of subpage reads */
+ if (len % 4) {
+ if (info->nand.options & NAND_BUSWIDTH_16)