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>

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);