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| author | Mirko Vogt <mirko@openwrt.org> | 2012-04-08 12:09:52 +0000 |
|---|---|---|
| committer | Mirko Vogt <mirko@openwrt.org> | 2012-04-08 12:09:52 +0000 |
| commit | b0971e69f2ff110d6fc6e52a601e4e87d707e758 (patch) | |
| tree | d594fb132701a129c7777b38ed192e9ccbe39987 /target/linux/xburst/patches-3.2/0005-NAND-Optimize-reading-the-eec-data-for-the-JZ4740.patch | |
| parent | 626e1717642e933af0f15a387caadb16178c0254 (diff) | |
| download | mtk-20170518-b0971e69f2ff110d6fc6e52a601e4e87d707e758.zip mtk-20170518-b0971e69f2ff110d6fc6e52a601e4e87d707e758.tar.gz mtk-20170518-b0971e69f2ff110d6fc6e52a601e4e87d707e758.tar.bz2 | |
level up target xburst to linux kernel version 3.2.1
Thanks to the qi-hardware project - especially to Lars, Maarten and Xiangfu
SVN-Revision: 31218
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.patch | 58 |
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 0000000..89247ca --- /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 + |