Merge remote-tracking branch 'lsk/v3.10/topic/gator' into linux-linaro-lsk
[firefly-linux-kernel-4.4.55.git] / drivers / mtd / nand / fsl_elbc_nand.c
index 20657209a472f388a0ecdd933322db5ad2d945cb..c31d183820c5b6ca5ec84ad0ec5b2b52a75f105b 100644 (file)
@@ -725,6 +725,19 @@ static int fsl_elbc_write_page(struct mtd_info *mtd, struct nand_chip *chip,
        return 0;
 }
 
+/* ECC will be calculated automatically, and errors will be detected in
+ * waitfunc.
+ */
+static int fsl_elbc_write_subpage(struct mtd_info *mtd, struct nand_chip *chip,
+                               uint32_t offset, uint32_t data_len,
+                               const uint8_t *buf, int oob_required)
+{
+       fsl_elbc_write_buf(mtd, buf, mtd->writesize);
+       fsl_elbc_write_buf(mtd, chip->oob_poi, mtd->oobsize);
+
+       return 0;
+}
+
 static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv)
 {
        struct fsl_lbc_ctrl *ctrl = priv->ctrl;
@@ -763,6 +776,7 @@ static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv)
 
        chip->ecc.read_page = fsl_elbc_read_page;
        chip->ecc.write_page = fsl_elbc_write_page;
+       chip->ecc.write_subpage = fsl_elbc_write_subpage;
 
        /* If CS Base Register selects full hardware ECC then use it */
        if ((in_be32(&lbc->bank[priv->bank].br) & BR_DECC) ==