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

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

Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Grant Likely <grant.likely@linaro.org>
Reviewed-by: Frank Rowand <frank.rowand@sonymobile.com>
This commit is contained in:
Rob Herring 2014-05-13 10:07:54 -05:00
parent 7d1cdc89c5
commit fb2caa50fb
3 changed files with 55 additions and 1 deletions
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20
drivers/of/selftest.c
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@ -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)

1
drivers/of/testcase-data/testcases.dtsi
View File

@ -1,3 +1,4 @@
#include "tests-phandle.dtsi"
#include "tests-interrupts.dtsi"
#include "tests-match.dtsi"
#include "tests-platform.dtsi"

35
drivers/of/testcase-data/tests-platform.dtsi Normal file
View File

@ -0,0 +1,35 @@
/ {
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>;
};
};
};
};
};