diff options
| author | Chuanxiao Dong | 2010-08-11 12:19:23 +0200 |
|---|---|---|
| committer | David Woodhouse | 2010-08-12 12:10:40 +0200 |
| commit | 7d8a26fd22c6944cb18a67c5b8d8255608a3ba98 (patch) | |
| tree | 51291248a39228cb7bd097fb2402c177e5d48bfb /drivers/mtd/nand/denali.c | |
| parent | nand/denali: use cpu_relax() while waiting for hardware interrupt (diff) | |
| download | kernel-qcow2-linux-7d8a26fd22c6944cb18a67c5b8d8255608a3ba98.tar.gz kernel-qcow2-linux-7d8a26fd22c6944cb18a67c5b8d8255608a3ba98.tar.xz kernel-qcow2-linux-7d8a26fd22c6944cb18a67c5b8d8255608a3ba98.zip | |
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>
Diffstat (limited to 'drivers/mtd/nand/denali.c')
| -rw-r--r-- | drivers/mtd/nand/denali.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c index 5f7c8c8b8b67..017cde48f75d 100644 --- a/drivers/mtd/nand/denali.c +++ b/drivers/mtd/nand/denali.c @@ -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); |