diff options
author | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-05-27 15:01:35 +0000 |
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committer | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-05-27 15:01:35 +0000 |
commit | 1ee6958324f44923ed309d2fa911fc432f514694 (patch) | |
tree | ec5ccc0121d0adc7430a0f6bd4a111dd5ab6e331 /target/linux/xburst/patches-3.2/0003-NAND-Optimize-NAND_ECC_HW_OOB_FIRST-read.patch | |
parent | 287550be2067ed412d4ce7148585c113fab125b8 (diff) |
xburst: remove support for old kernels
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31904 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/xburst/patches-3.2/0003-NAND-Optimize-NAND_ECC_HW_OOB_FIRST-read.patch')
-rw-r--r-- | target/linux/xburst/patches-3.2/0003-NAND-Optimize-NAND_ECC_HW_OOB_FIRST-read.patch | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/target/linux/xburst/patches-3.2/0003-NAND-Optimize-NAND_ECC_HW_OOB_FIRST-read.patch b/target/linux/xburst/patches-3.2/0003-NAND-Optimize-NAND_ECC_HW_OOB_FIRST-read.patch deleted file mode 100644 index 9583ab76c..000000000 --- a/target/linux/xburst/patches-3.2/0003-NAND-Optimize-NAND_ECC_HW_OOB_FIRST-read.patch +++ /dev/null @@ -1,40 +0,0 @@ -From b971c50dc50c07f981a1619f977e7509db9c4eac Mon Sep 17 00:00:00 2001 -From: Lars-Peter Clausen <lars@metafoo.de> -Date: Sat, 26 Feb 2011 15:30:07 +0100 -Subject: [PATCH 03/21] NAND: Optimize NAND_ECC_HW_OOB_FIRST read - -Avoid sending unnecessary READ commands to the chip. ---- - drivers/mtd/nand/nand_base.c | 14 ++++++++++---- - 1 files changed, 10 insertions(+), 4 deletions(-) - ---- a/drivers/mtd/nand/nand_base.c -+++ b/drivers/mtd/nand/nand_base.c -@@ -1294,9 +1294,15 @@ static int nand_read_page_hwecc_oob_firs - uint8_t *ecc_calc = chip->buffers->ecccalc; - - /* Read the OOB area first */ -- chip->cmdfunc(mtd, NAND_CMD_READOOB, 0, page); -- chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); -- chip->cmdfunc(mtd, NAND_CMD_READ0, 0, page); -+ 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_RNDOUT, 0, -1); -+ } else { -+ chip->cmdfunc(mtd, NAND_CMD_READOOB, 0, page); -+ chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); -+ chip->cmdfunc(mtd, NAND_CMD_READ0, 0, page); -+ } - - for (i = 0; i < chip->ecc.total; i++) - ecc_code[i] = chip->oob_poi[eccpos[i]]; -@@ -1465,7 +1471,7 @@ static int nand_do_read_ops(struct mtd_i - if (realpage != chip->pagebuf || oob) { - bufpoi = aligned ? buf : chip->buffers->databuf; - -- if (likely(sndcmd)) { -+ if (likely(sndcmd) && chip->ecc.mode != NAND_ECC_HW_OOB_FIRST) { - chip->cmdfunc(mtd, NAND_CMD_READ0, 0x00, page); - sndcmd = 0; - } |