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nand/denali: Add a page check in denali_read_page & denali_read_page_raw 

Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Chuanxiao Dong 2010-08-11 18:19:23 +08:00 committed by David Woodhouse
parent 628bfd4164
commit 7d8a26fd22
1 changed files with 14 additions and 0 deletions
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14
drivers/mtd/nand/denali.c
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@ -1149,6 +1149,13 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip,
INTR_STATUS0__ECC_ERR;
bool check_erased_page = false;
if (page != denali->page) {
dev_err(&denali->dev->dev, "IN %s: page %d is not"
" equal to denali->page %d, investigate!!",
__func__, page, denali->page);
BUG();
}
setup_ecc_for_xfer(denali, true, false);
denali_enable_dma(denali, true);
@ -1193,6 +1200,13 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
uint32_t irq_status = 0;
uint32_t irq_mask = INTR_STATUS0__DMA_CMD_COMP;
if (page != denali->page) {
dev_err(&denali->dev->dev, "IN %s: page %d is not"
" equal to denali->page %d, investigate!!",
__func__, page, denali->page);
BUG();
}
setup_ecc_for_xfer(denali, false, true);
denali_enable_dma(denali, true);