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authormirko <mirko@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-04-08 12:09:52 +0000
committermirko <mirko@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-04-08 12:09:52 +0000
commit729010e333a053b8399d4f021e35d4d1ac3281fb (patch)
treeb872c6f7e0c9a79aa3ccbeb29bdfaacb94f236cc /target/linux/xburst/patches-3.2/0005-NAND-Optimize-reading-the-eec-data-for-the-JZ4740.patch
parent2b55ad4ab5c8217505df86d8f156c61afd8d1473 (diff)
[target/xburst] level up target xburst to linux kernel version 3.2.1
Thanks to the qi-hardware project - especially to Lars, Maarten and Xiangfu git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31218 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/xburst/patches-3.2/0005-NAND-Optimize-reading-the-eec-data-for-the-JZ4740.patch')
-rw-r--r--target/linux/xburst/patches-3.2/0005-NAND-Optimize-reading-the-eec-data-for-the-JZ4740.patch58
1 files changed, 58 insertions, 0 deletions
diff --git a/target/linux/xburst/patches-3.2/0005-NAND-Optimize-reading-the-eec-data-for-the-JZ4740.patch b/target/linux/xburst/patches-3.2/0005-NAND-Optimize-reading-the-eec-data-for-the-JZ4740.patch
new file mode 100644
index 000000000..89247cafc
--- /dev/null
+++ b/target/linux/xburst/patches-3.2/0005-NAND-Optimize-reading-the-eec-data-for-the-JZ4740.patch
@@ -0,0 +1,58 @@
+From 4f28237a750afd1112b6f1266d36f8b718efe89c Mon Sep 17 00:00:00 2001
+From: Xiangfu Liu <xiangfu@sharism.cc>
+Date: Tue, 6 Mar 2012 11:19:26 +0800
+Subject: [PATCH 05/21] NAND-Optimize-reading-the-eec-data-for-the-JZ4740
+
+---
+ drivers/mtd/nand/nand_base.c | 14 ++++----------
+ 1 files changed, 4 insertions(+), 10 deletions(-)
+
+diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
+index 0131e84..74b8cce 100644
+--- a/drivers/mtd/nand/nand_base.c
++++ b/drivers/mtd/nand/nand_base.c
+@@ -1295,8 +1295,8 @@ static int nand_read_page_hwecc_oob_first(struct mtd_info *mtd,
+
+ /* Read the OOB area first */
+ if (mtd->writesize > 512) {
+- chip->cmdfunc(mtd, NAND_CMD_READ0, mtd->writesize, page);
+- chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
++ chip->cmdfunc(mtd, NAND_CMD_READ0, mtd->writesize + eccpos[0], page);
++ chip->read_buf(mtd, ecc_code, chip->ecc.total);
+ chip->cmdfunc(mtd, NAND_CMD_RNDOUT, 0, -1);
+ } else {
+ chip->cmdfunc(mtd, NAND_CMD_READOOB, 0, page);
+@@ -1304,9 +1304,6 @@ static int nand_read_page_hwecc_oob_first(struct mtd_info *mtd,
+ chip->cmdfunc(mtd, NAND_CMD_READ0, 0, page);
+ }
+
+- for (i = 0; i < chip->ecc.total; i++)
+- ecc_code[i] = chip->oob_poi[eccpos[i]];
+-
+ for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
+ int stat;
+
+@@ -1361,8 +1358,8 @@ static int nand_read_subpage_hwecc_oob_first(struct mtd_info *mtd, struct nand_c
+
+ /* Read the OOB area first */
+ if (mtd->writesize > 512) {
+- chip->cmdfunc(mtd, NAND_CMD_READ0, mtd->writesize, page);
+- chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
++ chip->cmdfunc(mtd, NAND_CMD_READ0, mtd->writesize + eccpos[0], page);
++ chip->read_buf(mtd, ecc_code, chip->ecc.total);
+ chip->cmdfunc(mtd, NAND_CMD_RNDOUT, data_col_addr, -1);
+ } else {
+ chip->cmdfunc(mtd, NAND_CMD_READOOB, 0, page);
+@@ -1370,9 +1367,6 @@ static int nand_read_subpage_hwecc_oob_first(struct mtd_info *mtd, struct nand_c
+ chip->cmdfunc(mtd, NAND_CMD_READ0, data_col_addr, page);
+ }
+
+- for (i = 0; i < chip->ecc.total; i++)
+- ecc_code[i] = chip->oob_poi[eccpos[i]];
+-
+ p = bufpoi + data_col_addr;
+
+ for (i = eccbytes * start_step; num_steps; num_steps--, i += eccbytes, p += eccsize) {
+--
+1.7.5.4
+