mtd: nand: remove redundant ID read
Instead of reading 2 bytes then later 8 bytes, we can simply read all 8
bytes from the start.
Signed-off-by: Brian Norris <computersforpeace@gmail.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/nand_base.c b/drivers/mtd/nand/nand_base.c
index d410784..77b3400 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2942,7 +2942,8 @@
chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1);
- for (i = 0; i < 2; i++)
+ /* Read entire ID string */
+ for (i = 0; i < 8; i++)
id_data[i] = chip->read_byte(mtd);
if (id_data[0] != *maf_id || id_data[1] != *dev_id) {
@@ -2966,13 +2967,6 @@
goto ident_done;
}
- chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1);
-
- /* Read entire ID string */
-
- for (i = 0; i < 8; i++)
- id_data[i] = chip->read_byte(mtd);
-
if (!type->name)
return ERR_PTR(-ENODEV);