mtd: gpmi-nand: utilize oob_requested parameter

Don't read OOB if the caller didn't request it.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index d85a2c1..7e8a035 100644 (file)
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -908,22 +908,25 @@ static int gpmi_ecc_read_page(struct mtd_info *mtd, struct nand_chip *chip,
                mtd->ecc_stats.corrected += corrected;
        }
 
-       /*
-        * It's time to deliver the OOB bytes. See gpmi_ecc_read_oob() for
-        * details about our policy for delivering the OOB.
-        *
-        * We fill the caller's buffer with set bits, and then copy the block
-        * mark to th caller's buffer. Note that, if block mark swapping was
-        * necessary, it has already been done, so we can rely on the first
-        * byte of the auxiliary buffer to contain the block mark.
-        */
-       memset(chip->oob_poi, ~0, mtd->oobsize);
-       chip->oob_poi[0] = ((uint8_t *) auxiliary_virt)[0];
+       if (oob_required) {
+               /*
+                * It's time to deliver the OOB bytes. See gpmi_ecc_read_oob()
+                * for details about our policy for delivering the OOB.
+                *
+                * We fill the caller's buffer with set bits, and then copy the
+                * block mark to th caller's buffer. Note that, if block mark
+                * swapping was necessary, it has already been done, so we can
+                * rely on the first byte of the auxiliary buffer to contain
+                * the block mark.
+                */
+               memset(chip->oob_poi, ~0, mtd->oobsize);
+               chip->oob_poi[0] = ((uint8_t *) auxiliary_virt)[0];
 
-       read_page_swap_end(this, buf, mtd->writesize,
-                       this->payload_virt, this->payload_phys,
-                       nfc_geo->payload_size,
-                       payload_virt, payload_phys);
+               read_page_swap_end(this, buf, mtd->writesize,
+                               this->payload_virt, this->payload_phys,
+                               nfc_geo->payload_size,
+                               payload_virt, payload_phys);
+       }
 exit_nfc:
        return ret;
 }