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mtd: nand: pxa3xx: read_page() returns max_bitflips
As per the ecc.read_page() prototype, we must return the maximum number of bitflips that were corrected on any one region covering an ecc step. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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1 changed files with 3 additions and 1 deletions
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@ -751,6 +751,7 @@ static int pxa3xx_nand_read_page_hwecc(struct mtd_info *mtd,
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{
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struct pxa3xx_nand_host *host = mtd->priv;
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struct pxa3xx_nand_info *info = host->info_data;
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int max_bitflips = 0;
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chip->read_buf(mtd, buf, mtd->writesize);
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chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
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@ -758,6 +759,7 @@ static int pxa3xx_nand_read_page_hwecc(struct mtd_info *mtd,
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if (info->retcode == ERR_SBERR) {
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switch (info->use_ecc) {
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case 1:
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max_bitflips = 1;
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mtd->ecc_stats.corrected++;
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break;
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case 0:
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@ -776,7 +778,7 @@ static int pxa3xx_nand_read_page_hwecc(struct mtd_info *mtd,
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mtd->ecc_stats.failed++;
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}
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return 0;
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return max_bitflips;
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}
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static uint8_t pxa3xx_nand_read_byte(struct mtd_info *mtd)
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