[PATCH 28/71] bootstd: Add a USB hunter

[Simon Glass]

Add a hunter for USB which enumerates the bus to find new bootdevs.

Update the tests and speed up bootdev_test_prio() while we are here, by
dropping the USB delays.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 drivers/usb/host/usb_bootdev.c | 12 ++++++++++++
 test/boot/bootdev.c            | 26 +++++++++++++++++++++-----
 2 files changed, 33 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/host/usb_bootdev.c b/drivers/usb/host/usb_bootdev.c
index b2d157faf33..66d0b6ae8f5 100644
--- a/drivers/usb/host/usb_bootdev.c
+++ b/drivers/usb/host/usb_bootdev.c
@@ -20,6 +20,11 @@ static int usb_bootdev_bind(struct udevice *dev)
 	return 0;
 }
 
+static int usb_bootdev_hunt(struct bootdev_hunter *info, bool show)
+{
+	return usb_init();
+}
+
 struct bootdev_ops usb_bootdev_ops = {
 };
 
@@ -35,3 +40,10 @@ U_BOOT_DRIVER(usb_bootdev) = {
 	.bind		= usb_bootdev_bind,
 	.of_match	= usb_bootdev_ids,
 };
+
+BOOTDEV_HUNTER(usb_bootdev_hunter) = {
+	.prio		= BOOTDEVP_3_SCAN_SLOW,
+	.uclass		= UCLASS_USB,
+	.hunt		= usb_bootdev_hunt,
+	.drv		= DM_DRIVER_REF(usb_bootdev),
+};
diff --git a/test/boot/bootdev.c b/test/boot/bootdev.c
index 45a00c34c0c..7a0c5793890 100644
--- a/test/boot/bootdev.c
+++ b/test/boot/bootdev.c
@@ -190,6 +190,8 @@ static int bootdev_test_prio(struct unit_test_state *uts)
 	struct bootflow bflow;
 	struct udevice *blk;
 
+	test_set_skip_delays(true);
+
 	/* Start up USB which gives us three additional bootdevs */
 	usb_started = false;
 	ut_assertok(run_command("usb start", 0));
@@ -227,6 +229,8 @@ static int bootdev_test_hunter(struct unit_test_state *uts)
 {
 	struct bootstd_priv *std;
 
+	test_set_skip_delays(true);
+
 	/* get access to the used hunters */
 	ut_assertok(bootstd_get_priv(&std));
 
@@ -234,12 +238,17 @@ static int bootdev_test_hunter(struct unit_test_state *uts)
 	bootdev_list_hunters(std);
 	ut_assert_nextline("Prio  Used  Uclass           Hunter");
 	ut_assert_nextlinen("----");
-	ut_assert_nextline("(total hunters: 0)");
+	ut_assert_nextline("  40        usb              usb_bootdev");
+	ut_assert_nextline("(total hunters: 1)");
 	ut_assert_console_end();
 
-	ut_assertok(bootdev_hunt("mmc1", false));
+	ut_assertok(bootdev_hunt("usb1", false));
+	ut_assert_nextline(
+		"Bus usb at 1: scanning bus usb at 1 for devices... 5 USB Device(s) found");
 	ut_assert_console_end();
 
+	ut_asserteq(GENMASK(0, 0), std->hunters_used);
+
 	return 0;
 }
 BOOTSTD_TEST(bootdev_test_hunter, UT_TESTF_DM | UT_TESTF_SCAN_FDT);
@@ -249,6 +258,8 @@ static int bootdev_test_cmd_hunt(struct unit_test_state *uts)
 {
 	struct bootstd_priv *std;
 
+	test_set_skip_delays(true);
+
 	/* get access to the used hunters */
 	ut_assertok(bootstd_get_priv(&std));
 
@@ -256,21 +267,26 @@ static int bootdev_test_cmd_hunt(struct unit_test_state *uts)
 	ut_assertok(run_command("bootdev hunt -l", 0));
 	ut_assert_nextline("Prio  Used  Uclass           Hunter");
 	ut_assert_nextlinen("----");
-	ut_assert_nextline("(total hunters: 0)");
+	ut_assert_nextline("  40        usb              usb_bootdev");
+	ut_assert_nextline("(total hunters: 1)");
 	ut_assert_console_end();
 
 	/* Scan all hunters */
 	ut_assertok(run_command("bootdev hunt", 0));
+	ut_assert_nextline("Hunting with: usb");
+	ut_assert_nextline(
+		"Bus usb at 1: scanning bus usb at 1 for devices... 5 USB Device(s) found");
 	ut_assert_console_end();
 
 	/* List available hunters */
 	ut_assertok(run_command("bootdev hunt -l", 0));
 	ut_assert_nextlinen("Prio");
 	ut_assert_nextlinen("----");
-	ut_assert_nextline("(total hunters: 0)");
+	ut_assert_nextline("  40     *  usb              usb_bootdev");
+	ut_assert_nextline("(total hunters: 1)");
 	ut_assert_console_end();
 
-	ut_asserteq(0, std->hunters_used);
+	ut_asserteq(GENMASK(0, 0), std->hunters_used);
 
 	return 0;
 }
-- 
2.39.0.rc0.267.gcb52ba06e7-goog