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Commit fb2caa50 authored by Rob Herring's avatar Rob Herring
Browse files

of/selftest: add testcase for nodes with same name and address 



Add a test case for nodes which have the same name and same
non-translatable unit address.

Signed-off-by: default avatarRob Herring <robh@kernel.org>
Reviewed-by: default avatarGrant Likely <grant.likely@linaro.org>
Reviewed-by: default avatarFrank Rowand <frank.rowand@sonymobile.com>
parent 7d1cdc89

drivers/of/selftest.c

+19 −1
Original line number Diff line number Diff line
@@ -431,8 +431,12 @@ static void __init of_selftest_match_node(void) 
static void __init of_selftest_platform_populate(void)

{

	int irq;

	struct device_node *np;

	struct device_node *np, *child;

	struct platform_device *pdev;

	struct of_device_id match[] = {

		{ .compatible = "test-device", },

		{}

	};



	np = of_find_node_by_path("/testcase-data");

	of_platform_populate(np, of_default_bus_match_table, NULL, NULL);
@@ -452,6 +456,20 @@ static void __init of_selftest_platform_populate(void) 
	irq = platform_get_irq(pdev, 0);

	selftest(irq < 0 && irq != -EPROBE_DEFER, "device parsing error failed - %d\n", irq);



	np = of_find_node_by_path("/testcase-data/platform-tests");

	if (!np) {

		pr_err("No testcase data in device tree\n");

		return;

	}



	for_each_child_of_node(np, child) {

		struct device_node *grandchild;

		of_platform_populate(child, match, NULL, NULL);

		for_each_child_of_node(child, grandchild)

			selftest(of_find_device_by_node(grandchild),

				 "Could not create device for node '%s'\n",

				 grandchild->name);

	}

}



static int __init of_selftest(void)

drivers/of/testcase-data/testcases.dtsi

+1 −0
Original line number Diff line number Diff line 
#include "tests-phandle.dtsi"

#include "tests-interrupts.dtsi"

#include "tests-match.dtsi"

#include "tests-platform.dtsi"

drivers/of/testcase-data/tests-platform.dtsi

0 → 100644
+35 −0
Original line number Diff line number Diff line 


/ {

	testcase-data {

		platform-tests {

			#address-cells = <1>;

			#size-cells = <0>;



			test-device@0 {

				compatible = "test-device";

				reg = <0x0>;



				#address-cells = <1>;

				#size-cells = <0>;



				dev@100 {

					compatible = "test-sub-device";

					reg = <0x100>;

				};

			};



			test-device@1 {

				compatible = "test-device";

				reg = <0x1>;



				#address-cells = <1>;

				#size-cells = <0>;



				dev@100 {

					compatible = "test-sub-device";

					reg = <0x100>;

				};

			};

		};

	};

};