dm: Drop the unused arg in uclass_find_device_by_seq()

Now that there is only one sequence number (rather than both requested and
assigned ones) we can simplify this function. Also update its caller to
simplify the logic.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/mach-k3/am6_init.c b/arch/arm/mach-k3/am6_init.c
index 603834e..0fed5ae 100644
--- a/arch/arm/mach-k3/am6_init.c
+++ b/arch/arm/mach-k3/am6_init.c
@@ -208,7 +208,7 @@
 	 * firmware (SYSFW) image for various purposes and SYSFW depends on us
 	 * to initialize its pin settings.
 	 */
-	ret = uclass_find_device_by_seq(UCLASS_SERIAL, 0, true, &dev);
+	ret = uclass_find_device_by_seq(UCLASS_SERIAL, 0, &dev);
 	if (!ret)
 		pinctrl_select_state(dev, "default");
 
diff --git a/arch/arm/mach-k3/j721e_init.c b/arch/arm/mach-k3/j721e_init.c
index a36e4ed..0201690 100644
--- a/arch/arm/mach-k3/j721e_init.c
+++ b/arch/arm/mach-k3/j721e_init.c
@@ -167,7 +167,7 @@
 	 * firmware (SYSFW) image for various purposes and SYSFW depends on us
 	 * to initialize its pin settings.
 	 */
-	ret = uclass_find_device_by_seq(UCLASS_SERIAL, 0, true, &dev);
+	ret = uclass_find_device_by_seq(UCLASS_SERIAL, 0, &dev);
 	if (!ret)
 		pinctrl_select_state(dev, "default");
 
diff --git a/arch/arm/mach-k3/sysfw-loader.c b/arch/arm/mach-k3/sysfw-loader.c
index 78c158c..708d9c8 100644
--- a/arch/arm/mach-k3/sysfw-loader.c
+++ b/arch/arm/mach-k3/sysfw-loader.c
@@ -223,7 +223,7 @@
 	int ret;
 
 	ret = uclass_find_device_by_seq(UCLASS_SPI, CONFIG_SF_DEFAULT_BUS,
-					true, &dev);
+					&dev);
 	if (ret)
 		return NULL;
 
diff --git a/drivers/core/device.c b/drivers/core/device.c
index e8435b8..b878a4d 100644
--- a/drivers/core/device.c
+++ b/drivers/core/device.c
@@ -647,15 +647,15 @@
 	return count;
 }
 
-int device_find_child_by_seq(const struct udevice *parent, int seq_or_req_seq,
-			     bool find_req_seq, struct udevice **devp)
+int device_find_child_by_seq(const struct udevice *parent, int seq,
+			     struct udevice **devp)
 {
 	struct udevice *dev;
 
 	*devp = NULL;
 
 	list_for_each_entry(dev, &parent->child_head, sibling_node) {
-		if (dev->sqq == seq_or_req_seq) {
+		if (dev->sqq == seq) {
 			*devp = dev;
 			return 0;
 		}
@@ -671,14 +671,8 @@
 	int ret;
 
 	*devp = NULL;
-	ret = device_find_child_by_seq(parent, seq, false, &dev);
-	if (ret == -ENODEV) {
-		/*
-		 * We didn't find it in probed devices. See if there is one
-		 * that will request this seq if probed.
-		 */
-		ret = device_find_child_by_seq(parent, seq, true, &dev);
-	}
+	ret = device_find_child_by_seq(parent, seq, &dev);
+
 	return device_get_device_tail(dev, ret, devp);
 }
 
diff --git a/drivers/core/uclass.c b/drivers/core/uclass.c
index 78765e5..42c9ba5 100644
--- a/drivers/core/uclass.c
+++ b/drivers/core/uclass.c
@@ -288,25 +288,23 @@
 	return max + 1;
 }
 
-int uclass_find_device_by_seq(enum uclass_id id, int seq_or_req_seq,
-			      bool find_req_seq, struct udevice **devp)
+int uclass_find_device_by_seq(enum uclass_id id, int seq, struct udevice **devp)
 {
 	struct uclass *uc;
 	struct udevice *dev;
 	int ret;
 
 	*devp = NULL;
-	log_debug("%d %d\n", find_req_seq, seq_or_req_seq);
-	if (seq_or_req_seq == -1)
+	log_debug("%d\n", seq);
+	if (seq == -1)
 		return -ENODEV;
 	ret = uclass_get(id, &uc);
 	if (ret)
 		return ret;
 
 	uclass_foreach_dev(dev, uc) {
-		log_debug("   - %d %d '%s'\n",
-			  dev->req_seq, dev_seq(dev), dev->name);
-		if (dev_seq(dev) == seq_or_req_seq) {
+		log_debug("   - %d '%s'\n", dev->sqq, dev->name);
+		if (dev->sqq == seq) {
 			*devp = dev;
 			log_debug("   - found\n");
 			return 0;
@@ -466,14 +464,8 @@
 	int ret;
 
 	*devp = NULL;
-	ret = uclass_find_device_by_seq(id, seq, false, &dev);
-	if (ret == -ENODEV) {
-		/*
-		 * We didn't find it in probed devices. See if there is one
-		 * that will request this seq if probed.
-		 */
-		ret = uclass_find_device_by_seq(id, seq, true, &dev);
-	}
+	ret = uclass_find_device_by_seq(id, seq, &dev);
+
 	return uclass_get_device_tail(dev, ret, devp);
 }
 
diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c
index 9dd32ab..f3b8ffa 100644
--- a/drivers/spi/spi-uclass.c
+++ b/drivers/spi/spi-uclass.c
@@ -273,7 +273,7 @@
 	struct udevice *bus;
 	int ret;
 
-	ret = uclass_find_device_by_seq(UCLASS_SPI, busnum, false, &bus);
+	ret = uclass_find_device_by_seq(UCLASS_SPI, busnum, &bus);
 	if (ret) {
 		debug("%s: No bus %d\n", __func__, busnum);
 		return ret;
@@ -302,7 +302,7 @@
 	struct udevice *bus, *dev;
 	int ret;
 
-	ret = uclass_find_device_by_seq(UCLASS_SPI, busnum, false, &bus);
+	ret = uclass_find_device_by_seq(UCLASS_SPI, busnum, &bus);
 	if (ret) {
 		debug("%s: No bus %d\n", __func__, busnum);
 		return ret;
diff --git a/drivers/usb/host/usb-uclass.c b/drivers/usb/host/usb-uclass.c
index fee92c9..a2bd743 100644
--- a/drivers/usb/host/usb-uclass.c
+++ b/drivers/usb/host/usb-uclass.c
@@ -394,7 +394,7 @@
 	int ret;
 
 	/* Find the old device and remove it */
-	ret = uclass_find_device_by_seq(UCLASS_USB, 0, true, &dev);
+	ret = uclass_find_device_by_seq(UCLASS_USB, 0, &dev);
 	if (ret)
 		return ret;
 	ret = device_remove(dev, DM_REMOVE_NORMAL);
@@ -417,7 +417,7 @@
 	int ret;
 
 	/* Find the old device and remove it */
-	ret = uclass_find_device_by_seq(UCLASS_USB, 0, true, &dev);
+	ret = uclass_find_device_by_seq(UCLASS_USB, 0, &dev);
 	if (ret)
 		return ret;
 	ret = device_remove(dev, DM_REMOVE_NORMAL);
diff --git a/include/dm/device.h b/include/dm/device.h
index 15731d6..75f7549 100644
--- a/include/dm/device.h
+++ b/include/dm/device.h
@@ -452,24 +452,16 @@
 /**
  * device_find_child_by_seq() - Find a child device based on a sequence
  *
- * This searches for a device with the given seq or req_seq.
- *
- * For seq, if an active device has this sequence it will be returned.
- * If there is no such device then this will return -ENODEV.
- *
- * For req_seq, if a device (whether activated or not) has this req_seq
- * value, that device will be returned. This is a strong indication that
- * the device will receive that sequence when activated.
+ * This searches for a device with the given seq.
  *
  * @parent: Parent device
- * @seq_or_req_seq: Sequence number to find (0=first)
- * @find_req_seq: true to find req_seq, false to find seq
+ * @seq: Sequence number to find (0=first)
  * @devp: Returns pointer to device (there is only one per for each seq).
  * Set to NULL if none is found
- * @return 0 if OK, -ve on error
+ * @return 0 if OK, -ENODEV if not found
  */
-int device_find_child_by_seq(const struct udevice *parent, int seq_or_req_seq,
-			     bool find_req_seq, struct udevice **devp);
+int device_find_child_by_seq(const struct udevice *parent, int seq,
+			     struct udevice **devp);
 
 /**
  * device_get_child_by_seq() - Get a child device based on a sequence
diff --git a/include/dm/uclass-internal.h b/include/dm/uclass-internal.h
index 2c21871..9c23d3f 100644
--- a/include/dm/uclass-internal.h
+++ b/include/dm/uclass-internal.h
@@ -103,25 +103,17 @@
 /**
  * uclass_find_device_by_seq() - Find uclass device based on ID and sequence
  *
- * This searches for a device with the given seq or req_seq.
- *
- * For seq, if an active device has this sequence it will be returned.
- * If there is no such device then this will return -ENODEV.
- *
- * For req_seq, if a device (whether activated or not) has this req_seq
- * value, that device will be returned. This is a strong indication that
- * the device will receive that sequence when activated.
+ * This searches for a device with the given seq.
  *
  * The device is NOT probed, it is merely returned.
  *
  * @id: ID to look up
- * @seq_or_req_seq: Sequence number to find (0=first)
- * @find_req_seq: true to find req_seq, false to find seq
+ * @seq: Sequence number to find (0=first)
  * @devp: Returns pointer to device (there is only one per for each seq)
- * @return 0 if OK, -ve on error
+ * @return 0 if OK, -ENODEV if not found
  */
-int uclass_find_device_by_seq(enum uclass_id id, int seq_or_req_seq,
-			      bool find_req_seq, struct udevice **devp);
+int uclass_find_device_by_seq(enum uclass_id id, int seq,
+			      struct udevice **devp);
 
 /**
  * uclass_find_device_by_of_offset() - Find a uclass device by device tree node
diff --git a/net/eth-uclass.c b/net/eth-uclass.c
index 4eee011..e2d6731 100644
--- a/net/eth-uclass.c
+++ b/net/eth-uclass.c
@@ -232,7 +232,7 @@
 	/* look for an index after "eth" */
 	index = simple_strtoul(name + 3, NULL, 10);
 
-	retval = uclass_find_device_by_seq(UCLASS_ETH, index, false, &dev);
+	retval = uclass_find_device_by_seq(UCLASS_ETH, index, &dev);
 	if (!retval) {
 		struct eth_pdata *pdata = dev->plat;
 		switch (op) {
diff --git a/test/dm/bus.c b/test/dm/bus.c
index 77555e5..60ddb1d 100644
--- a/test/dm/bus.c
+++ b/test/dm/bus.c
@@ -156,17 +156,17 @@
 	ut_asserteq_str("c-test@5", dev->name);
 
 	/* Device with sequence number 0 should be accessible */
-	ut_asserteq(-ENODEV, device_find_child_by_seq(bus, -1, true, &dev));
-	ut_assertok(device_find_child_by_seq(bus, 0, true, &dev));
+	ut_asserteq(-ENODEV, device_find_child_by_seq(bus, -1, &dev));
+	ut_assertok(device_find_child_by_seq(bus, 0, &dev));
 	ut_assert(!(dev->flags & DM_FLAG_ACTIVATED));
-	ut_asserteq(0, device_find_child_by_seq(bus, 0, false, &dev));
+	ut_asserteq(0, device_find_child_by_seq(bus, 0, &dev));
 	ut_assertok(device_get_child_by_seq(bus, 0, &dev));
 	ut_assert(dev->flags & DM_FLAG_ACTIVATED);
-	ut_asserteq(0, device_find_child_by_seq(bus, 0, false, &dev));
+	ut_asserteq(0, device_find_child_by_seq(bus, 0, &dev));
 
 	/* There is no device with sequence number 2 */
-	ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 2, false, &dev));
-	ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 2, true, &dev));
+	ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 2, &dev));
+	ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 2, &dev));
 	ut_asserteq(-ENODEV, device_get_child_by_seq(bus, 2, &dev));
 
 	/* Looking for something that is not a child */
@@ -220,7 +220,7 @@
 	ut_asserteq_ptr(dev, NULL);
 
 	/* Move to the next child without using device_find_first_child() */
-	ut_assertok(device_find_child_by_seq(bus, 5, true, &dev));
+	ut_assertok(device_find_child_by_seq(bus, 5, &dev));
 	ut_asserteq_str("c-test@5", dev->name);
 	ut_assertok(device_find_next_child(&dev));
 	ut_asserteq_str("c-test@0", dev->name);
@@ -245,7 +245,7 @@
 	ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
 
 	/* Check that parent data is allocated */
-	ut_assertok(device_find_child_by_seq(bus, 0, true, &dev));
+	ut_assertok(device_find_child_by_seq(bus, 0, &dev));
 	ut_asserteq_ptr(NULL, dev_get_parent_priv(dev));
 	ut_assertok(device_get_child_by_seq(bus, 0, &dev));
 	parent_data = dev_get_parent_priv(dev);
diff --git a/test/dm/test-fdt.c b/test/dm/test-fdt.c
index 87e09f1..5f443bd 100644
--- a/test/dm/test-fdt.c
+++ b/test/dm/test-fdt.c
@@ -348,11 +348,11 @@
 	struct udevice *dev;
 
 	/* A few basic santiy tests */
-	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 3, true, &dev));
+	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 3, &dev));
 	ut_asserteq_str("b-test", dev->name);
 	ut_asserteq(3, dev_seq(dev));
 
-	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 8, true, &dev));
+	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 8, &dev));
 	ut_asserteq_str("a-test", dev->name);
 	ut_asserteq(8, dev_seq(dev));
 
@@ -360,11 +360,11 @@
 	 * This device has no alias so gets the next value after all available
 	 * aliases. The last alias is testfdt12
 	 */
-	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 13, true, &dev));
+	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 13, &dev));
 	ut_asserteq_str("d-test", dev->name);
 	ut_asserteq(13, dev_seq(dev));
 
-	ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 9, true,
+	ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 9,
 						       &dev));
 	ut_asserteq_ptr(NULL, dev);
 
@@ -395,22 +395,22 @@
 	ut_asserteq(15, dev_seq(dev));
 
 	/* And we should still have holes in our sequence numbers */
-	ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 0, true,
+	ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 0,
 						       &dev));
-	ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 1, true,
+	ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 1,
 						       &dev));
-	ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 2, true,
+	ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 2,
 						       &dev));
-	ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 4, true,
+	ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 4,
 						       &dev));
-	ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 7, true,
+	ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 7,
 						       &dev));
-	ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 9, true,
+	ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 9,
 						       &dev));
 	ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 10,
-						       true, &dev));
+						       &dev));
 	ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 11,
-						       true, &dev));
+						       &dev));
 
 	return 0;
 }
@@ -636,30 +636,30 @@
 	fdt32_t dma_addr[2];
 
 	/* Some simple translations */
-	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 	ut_asserteq_str("dev@0,0", dev->name);
 	ut_asserteq(0x8000, dev_read_addr(dev));
 
-	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, true, &dev));
+	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, &dev));
 	ut_asserteq_str("dev@1,100", dev->name);
 	ut_asserteq(0x9000, dev_read_addr(dev));
 
-	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 2, true, &dev));
+	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 2, &dev));
 	ut_asserteq_str("dev@2,200", dev->name);
 	ut_asserteq(0xA000, dev_read_addr(dev));
 
 	/* No translation for busses with #size-cells == 0 */
-	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 3, true, &dev));
+	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 3, &dev));
 	ut_asserteq_str("dev@42", dev->name);
 	ut_asserteq(0x42, dev_read_addr(dev));
 
 	/* dma address translation */
-	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 	dma_addr[0] = cpu_to_be32(0);
 	dma_addr[1] = cpu_to_be32(0);
 	ut_asserteq(0x10000000, dev_translate_dma_address(dev, dma_addr));
 
-	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, true, &dev));
+	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, &dev));
 	dma_addr[0] = cpu_to_be32(1);
 	dma_addr[1] = cpu_to_be32(0x100);
 	ut_asserteq(0x20000000, dev_translate_dma_address(dev, dma_addr));
@@ -677,7 +677,7 @@
 	ut_assertok(uclass_first_device_err(UCLASS_GPIO, &gpio));
 	ut_assertnull(devfdt_get_addr_ptr(gpio));
 
-	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 	ptr = devfdt_get_addr_ptr(dev);
 	ut_asserteq_ptr((void *)0x8000, ptr);
 
@@ -692,7 +692,7 @@
 	fdt_addr_t addr;
 	void *paddr;
 
-	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 
 	addr = devfdt_get_addr(dev);
 	ut_asserteq(0x8000, addr);
@@ -713,7 +713,7 @@
 	fdt_size_t size;
 	void *paddr;
 
-	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 
 	addr = devfdt_get_addr_size_index(dev, 0, &size);
 	ut_asserteq(0x8000, addr);
@@ -735,7 +735,7 @@
 	fdt_size_t size;
 	void *paddr;
 
-	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 
 	addr = devfdt_get_addr_size_name(dev, "sandbox-dummy-0", &size);
 	ut_asserteq(0x8000, addr);
@@ -756,7 +756,7 @@
 	fdt_addr_t addr;
 	void *paddr;
 
-	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 
 	addr = dev_read_addr(dev);
 	ut_asserteq(0x8000, addr);
@@ -777,7 +777,7 @@
 	fdt_size_t size;
 	void *paddr;
 
-	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 
 	addr = dev_read_addr_size_index(dev, 0, &size);
 	ut_asserteq(0x8000, addr);
@@ -799,7 +799,7 @@
 	fdt_size_t size;
 	void *paddr;
 
-	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+	ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 
 	addr = dev_read_addr_size_name(dev, "sandbox-dummy-0", &size);
 	ut_asserteq(0x8000, addr);
@@ -834,7 +834,7 @@
 
 	device_bind_driver_to_node(dm_root(), "usb_sandbox", "usb@2", node,
 				   &dev);
-	ut_assertok(uclass_find_device_by_seq(UCLASS_USB, 2, true, &dev));
+	ut_assertok(uclass_find_device_by_seq(UCLASS_USB, 2, &dev));
 
 	/* Test string property setting */