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mtd: OneNAND: Introduce chip_probe function

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Samsung SoCs use the own OneNAND controler and detect OneNAND chip at power on.
To use this feature, introduce the chip_probe function.

Also remove workaround for Samsung SoCs.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Kyungmin Park
2010-05-28 11:03:11 +09:00
committed by David Woodhouse
parent 42b0aab1cc
commit ad0d363b8f
2 changed files with 32 additions and 12 deletions
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2
include/linux/mtd/onenand.h
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@@ -68,6 +68,7 @@ struct onenand_bufferram {
* @write_word: [REPLACEABLE] hardware specific function for write
* register of OneNAND
* @mmcontrol: sync burst read function
* @chip_probe: [REPLACEABLE] hardware specific function for chip probe
* @block_markbad: function to mark a block as bad
* @scan_bbt: [REPLACEALBE] hardware specific function for scanning
* Bad block Table
@@ -114,6 +115,7 @@ struct onenand_chip {
unsigned short (*read_word)(void __iomem *addr);
void (*write_word)(unsigned short value, void __iomem *addr);
void (*mmcontrol)(struct mtd_info *mtd, int sync_read);
int (*chip_probe)(struct mtd_info *mtd);
int (*block_markbad)(struct mtd_info *mtd, loff_t ofs);
int (*scan_bbt)(struct mtd_info *mtd);