Signed-off-by: Lee Jones <lee.jo...@linaro.org>
---
 drivers/mtd/nand/stm_nand_bch.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/mtd/nand/stm_nand_bch.c b/drivers/mtd/nand/stm_nand_bch.c
index fbcd1b9..93fe835 100644
--- a/drivers/mtd/nand/stm_nand_bch.c
+++ b/drivers/mtd/nand/stm_nand_bch.c
@@ -29,6 +29,9 @@
 #include "stm_nand_regs.h"
 #include "stm_nand_dt.h"
 
+/* NANDi BCH Controller properties */
+#define NANDI_BCH_SECTOR_SIZE                  1024
+
 /* Bad Block Table (BBT) */
 struct nandi_bbt_info {
        uint32_t        bbt_size;               /* Size of bad-block table */
@@ -774,6 +777,12 @@ static int stm_nand_bch_probe(struct platform_device *pdev)
                dev_warn(&pdev->dev, "No timing data available\n");
        }
 
+       if (mtd->writesize < NANDI_BCH_SECTOR_SIZE) {
+               dev_err(nandi->dev,
+                       "page size incompatible with BCH ECC sector\n");
+               return -EINVAL;
+       }
+
        return 0;
 }
 
-- 
1.8.3.2

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