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Diffstat (limited to 'drivers/mtd/nand/nandsim.c')
-rw-r--r--drivers/mtd/nand/nandsim.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index ae7c57781a68..fdf82cf24449 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -1736,13 +1736,17 @@ static void ns_nand_write_byte(struct mtd_info *mtd, u_char byte)
/* Check if chip is expecting command */
if (NS_STATE(ns->nxstate) != STATE_UNKNOWN && !(ns->nxstate & STATE_CMD_MASK)) {
- /*
- * We are in situation when something else (not command)
- * was expected but command was input. In this case ignore
- * previous command(s)/state(s) and accept the last one.
- */
- NS_WARN("write_byte: command (%#x) wasn't expected, expected state is %s, "
- "ignore previous states\n", (uint)byte, get_state_name(ns->nxstate));
+ /* Do not warn if only 2 id bytes are read */
+ if (!(ns->regs.command == NAND_CMD_READID &&
+ NS_STATE(ns->state) == STATE_DATAOUT_ID && ns->regs.count == 2)) {
+ /*
+ * We are in situation when something else (not command)
+ * was expected but command was input. In this case ignore
+ * previous command(s)/state(s) and accept the last one.
+ */
+ NS_WARN("write_byte: command (%#x) wasn't expected, expected state is %s, "
+ "ignore previous states\n", (uint)byte, get_state_name(ns->nxstate));
+ }
switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
}