diff --git a/flash.h b/flash.h
index d31b256..a71fec1 100644
--- a/flash.h
+++ b/flash.h
@@ -183,6 +183,17 @@
 		enum test_state write;
 	} tested;
 
+	/*
+	 * Group chips that have common command sets. This should ensure that
+	 * no chip gets confused by a probing command for a very different class
+	 * of chips.
+	 */
+	enum {
+		/* SPI25 is very common. Keep it at zero so we don't have
+		   to specify it for each and every chip in the database.*/
+		SPI25 = 0,
+	} spi_cmd_set;
+
 	int (*probe) (struct flashctx *flash);
 
 	/* Delay after "enter/exit ID mode" commands in microseconds.
diff --git a/flashrom.c b/flashrom.c
index ac987fd..a7de995 100644
--- a/flashrom.c
+++ b/flashrom.c
@@ -1209,6 +1209,9 @@
 		buses_common = mst->buses_supported & chip->bustype;
 		if (!buses_common)
 			continue;
+		/* Only probe for SPI25 chips by default. */
+		if (chip->bustype == BUS_SPI && !chip_to_probe && chip->spi_cmd_set != SPI25)
+			continue;
 		msg_gdbg("Probing for %s %s, %d kB: ", chip->vendor, chip->name, chip->total_size);
 		if (!chip->probe && !force) {
 			msg_gdbg("failed! flashrom has no probe function for this flash chip.\n");