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Subject[PATCH v2 2/6] of: unittest: Add indirect overlay target test
Date
Add a unittest for the indirect overlay target case.

Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
---
drivers/of/unittest-data/testcases.dts | 5 +++
drivers/of/unittest-data/tests-overlay.dtsi | 15 ++++++++
drivers/of/unittest.c | 60 +++++++++++++++++++++++++++++
3 files changed, 80 insertions(+)

diff --git a/drivers/of/unittest-data/testcases.dts b/drivers/of/unittest-data/testcases.dts
index 12f7c3d..74e8805 100644
--- a/drivers/of/unittest-data/testcases.dts
+++ b/drivers/of/unittest-data/testcases.dts
@@ -75,5 +75,10 @@
target = <0x00000000>;
};
};
+ overlay16 {
+ fragment@0 {
+ target = <0x00000000 0x00000004>;
+ };
+ };
};
}; };
diff --git a/drivers/of/unittest-data/tests-overlay.dtsi b/drivers/of/unittest-data/tests-overlay.dtsi
index 02ba56c..ab32996 100644
--- a/drivers/of/unittest-data/tests-overlay.dtsi
+++ b/drivers/of/unittest-data/tests-overlay.dtsi
@@ -110,6 +110,12 @@
};
};
};
+
+ unittest16: test-unittest16 {
+ compatible = "unittest";
+ status = "disabled";
+ reg = <16>;
+ };
};
};

@@ -325,5 +331,14 @@
};
};

+ /* test enable using indirect functionality */
+ overlay16 {
+ fragment@0 {
+ target = <&unittest17>, <&unittest16>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+ };
};
};
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index ff6939b..af4c571 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -1921,6 +1921,64 @@ static inline void of_unittest_overlay_i2c_15(void) { }

#endif

+static void of_unittest_overlay_16(void)
+{
+ int ret;
+ int overlay_nr = 16;
+ int unittest_nr = 16;
+ enum overlay_type ovtype = PDEV_OVERLAY;
+ int before = 0;
+ int after = 1;
+ struct device_node *np = NULL;
+ int id = -1;
+
+ /* unittest device must not be in before state */
+ if (of_unittest_device_exists(unittest_nr, ovtype) != before) {
+ unittest(0, "overlay @\"%s\" with device @\"%s\" %s\n",
+ overlay_path(overlay_nr),
+ unittest_path(unittest_nr, ovtype),
+ !before ? "enabled" : "disabled");
+ return;
+ }
+
+ np = of_find_node_by_path(overlay_path(overlay_nr));
+ if (np == NULL) {
+ unittest(0, "could not find overlay node @\"%s\"\n",
+ overlay_path(overlay_nr));
+ ret = -EINVAL;
+ goto out;
+ }
+
+ /* unittest16 is at index #1 */
+ ret = of_overlay_create_target_index(np, 1);
+ if (ret < 0) {
+ unittest(0, "could not create overlay from \"%s\"\n",
+ overlay_path(overlay_nr));
+ goto out;
+ }
+ id = ret;
+ of_unittest_track_overlay(id);
+
+ ret = 0;
+
+out:
+ of_node_put(np);
+
+ if (ret)
+ return;
+
+ /* unittest device must be to set to after state */
+ if (of_unittest_device_exists(unittest_nr, ovtype) != after) {
+ unittest(0, "overlay @\"%s\" failed to create @\"%s\" %s\n",
+ overlay_path(overlay_nr),
+ unittest_path(unittest_nr, ovtype),
+ !after ? "enabled" : "disabled");
+ return;
+ }
+
+ unittest(1, "overlay test %d passed\n", 16);
+}
+
static void __init of_unittest_overlay(void)
{
struct device_node *bus_np = NULL;
@@ -1972,6 +2030,8 @@ static void __init of_unittest_overlay(void)
of_unittest_overlay_10();
of_unittest_overlay_11();

+ of_unittest_overlay_16();
+
#if IS_BUILTIN(CONFIG_I2C)
if (unittest(of_unittest_overlay_i2c_init() == 0, "i2c init failed\n"))
goto out;
--
1.7.12
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