diff options
Diffstat (limited to 'target/linux/xburst/patches-2.6.37/302-nand-fixes.patch')
| -rw-r--r-- | target/linux/xburst/patches-2.6.37/302-nand-fixes.patch | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/target/linux/xburst/patches-2.6.37/302-nand-fixes.patch b/target/linux/xburst/patches-2.6.37/302-nand-fixes.patch new file mode 100644 index 0000000000..189c0f0f56 --- /dev/null +++ b/target/linux/xburst/patches-2.6.37/302-nand-fixes.patch @@ -0,0 +1,90 @@ +From 3ac9f7e0bc48b3c9ab6529410a2b8f3f9eac5bc5 Mon Sep 17 00:00:00 2001 +From: Lars-Peter Clausen <lars@metafoo.de> +Date: Wed, 10 Nov 2010 11:29:36 +0100 +Subject: [PATCH 20/23] MTD: NAND: jz4740: Make 'struct platform_driver jz_nand_driver' static + +Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> +--- + drivers/mtd/nand/jz4740_nand.c | 2 +- + 1 files changed, 1 insertions(+), 1 deletions(-) + +--- a/drivers/mtd/nand/jz4740_nand.c ++++ b/drivers/mtd/nand/jz4740_nand.c +@@ -251,58 +251,6 @@ static int jz_nand_correct_ecc_rs(struct + return 0; + } + +- +-/* Copy paste of nand_read_page_hwecc_oob_first except for different eccpos +- * handling. The ecc area is for 4k chips 72 bytes long and thus does not fit +- * into the eccpos array. */ +-static int jz_nand_read_page_hwecc_oob_first(struct mtd_info *mtd, +- struct nand_chip *chip, uint8_t *buf, int page) +-{ +- int i, eccsize = chip->ecc.size; +- int eccbytes = chip->ecc.bytes; +- int eccsteps = chip->ecc.steps; +- uint8_t *p = buf; +- unsigned int ecc_offset = chip->page_shift; +- +- /* 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); +- +- for (i = ecc_offset; eccsteps; eccsteps--, i += eccbytes, p += eccsize) { +- int stat; +- +- chip->ecc.hwctl(mtd, NAND_ECC_READ); +- chip->read_buf(mtd, p, eccsize); +- +- stat = chip->ecc.correct(mtd, p, &chip->oob_poi[i], NULL); +- if (stat < 0) +- mtd->ecc_stats.failed++; +- else +- mtd->ecc_stats.corrected += stat; +- } +- return 0; +-} +- +-/* Copy-and-paste of nand_write_page_hwecc with different eccpos handling. */ +-static void jz_nand_write_page_hwecc(struct mtd_info *mtd, +- struct nand_chip *chip, const uint8_t *buf) +-{ +- int i, eccsize = chip->ecc.size; +- int eccbytes = chip->ecc.bytes; +- int eccsteps = chip->ecc.steps; +- const uint8_t *p = buf; +- unsigned int ecc_offset = chip->page_shift; +- +- for (i = ecc_offset; eccsteps; eccsteps--, i += eccbytes, p += eccsize) { +- chip->ecc.hwctl(mtd, NAND_ECC_WRITE); +- chip->write_buf(mtd, p, eccsize); +- chip->ecc.calculate(mtd, p, &chip->oob_poi[i]); +- } +- +- chip->write_buf(mtd, chip->oob_poi, mtd->oobsize); +-} +- + #ifdef CONFIG_MTD_CMDLINE_PARTS + static const char *part_probes[] = {"cmdline", NULL}; + #endif +@@ -393,9 +341,6 @@ static int __devinit jz_nand_probe(struc + chip->ecc.size = 512; + chip->ecc.bytes = 9; + +- chip->ecc.read_page = jz_nand_read_page_hwecc_oob_first; +- chip->ecc.write_page = jz_nand_write_page_hwecc; +- + if (pdata) + chip->ecc.layout = pdata->ecc_layout; + +@@ -489,7 +434,7 @@ static int __devexit jz_nand_remove(stru + return 0; + } + +-struct platform_driver jz_nand_driver = { ++static struct platform_driver jz_nand_driver = { + .probe = jz_nand_probe, + .remove = __devexit_p(jz_nand_remove), + .driver = { |