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[MTD] NAND modularize ECC

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First step of modularizing ECC support.
- Move ECC related functionality into a seperate embedded data structure
- Get rid of the hardware dependend constants to simplify new ECC models

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner
2006-05-23 12:00:46 +02:00
parent 7aa65bfd67
commit 6dfc6d250d
16 changed files with 131 additions and 166 deletions
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12
drivers/mtd/nand/rtc_from4.c
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@@ -570,19 +570,21 @@ static int __init rtc_from4_init(void)
#ifdef RTC_FROM4_HWECC
printk(KERN_INFO "rtc_from4_init: using hardware ECC detection.\n");
this->eccmode = NAND_ECC_HW8_512;
this->ecc.mode = NAND_ECC_HW_SYNDROME;
this->ecc.size = 512;
this->ecc.bytes = 8;
this->options |= NAND_HWECC_SYNDROME;
/* return the status of extra status and ECC checks */
this->errstat = rtc_from4_errstat;
/* set the nand_oobinfo to support FPGA H/W error detection */
this->autooob = &rtc_from4_nand_oobinfo;
this->enable_hwecc = rtc_from4_enable_hwecc;
this->calculate_ecc = rtc_from4_calculate_ecc;
this->correct_data = rtc_from4_correct_data;
this->ecc.hwctl = rtc_from4_enable_hwecc;
this->ecc.calculate = rtc_from4_calculate_ecc;
this->ecc.correct = rtc_from4_correct_data;
#else
printk(KERN_INFO "rtc_from4_init: using software ECC detection.\n");
this->eccmode = NAND_ECC_SOFT;
this->ecc.mode = NAND_ECC_SOFT;
#endif
/* set the bad block tables to support debugging */