diff options
author | Stephen Boyd <stephen.boyd@linaro.org> | 2018-01-30 18:36:17 -0800 |
---|---|---|
committer | Rob Herring <robh@kernel.org> | 2018-02-12 08:37:59 -0600 |
commit | 357aa4b61c82b59a40caf5a65d22e636a3639144 (patch) | |
tree | 8b59312f43affae1b97633a21bc96ac9a3dd1543 /drivers/of | |
parent | bd6f2fd5a1d52198468c5cdc3c2472362dff5aaa (diff) | |
download | linux-357aa4b61c82b59a40caf5a65d22e636a3639144.tar.bz2 |
of: unittest: Add phandle remapping test
Test the functionality of of_parse_phandle_with_args_map().
Cc: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'drivers/of')
-rw-r--r-- | drivers/of/unittest-data/tests-phandle.dtsi | 25 | ||||
-rw-r--r-- | drivers/of/unittest.c | 120 |
2 files changed, 145 insertions, 0 deletions
diff --git a/drivers/of/unittest-data/tests-phandle.dtsi b/drivers/of/unittest-data/tests-phandle.dtsi index 3c2f09e56b61..6b33be4c4416 100644 --- a/drivers/of/unittest-data/tests-phandle.dtsi +++ b/drivers/of/unittest-data/tests-phandle.dtsi @@ -26,6 +26,18 @@ #phandle-cells = <3>; }; + provider4: provider4 { + #phandle-cells = <2>; + phandle-map = <0 1 &provider1 3>, + <4 0 &provider0>, + <16 5 &provider3 3 5 0>, + <200 8 &provider2 23 6>, + <19 0 &provider2 15 0>, + <2 3 &provider3 2 5 3>; + phandle-map-mask = <0xff 0xf>; + phandle-map-pass-thru = <0x0 0xf0>; + }; + consumer-a { phandle-list = <&provider1 1>, <&provider2 2 0>, @@ -44,6 +56,19 @@ unterminated-string = [40 41 42 43]; unterminated-string-list = "first", "second", [40 41 42 43]; }; + + consumer-b { + phandle-list = <&provider1 1>, + <&provider4 2 3>, + <0>, + <&provider4 4 0x100>, + <&provider4 0 0x61>, + <&provider0>, + <&provider4 19 0x20>; + phandle-list-bad-phandle = <12345678 0 0>; + phandle-list-bad-args = <&provider2 1 0>, + <&provider4 0>; + }; }; }; }; diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index 7a9abaae874d..8e23b51eead1 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -453,6 +453,125 @@ static void __init of_unittest_parse_phandle_with_args(void) unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc); } +static void __init of_unittest_parse_phandle_with_args_map(void) +{ + struct device_node *np, *p0, *p1, *p2, *p3; + struct of_phandle_args args; + int i, rc; + + np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-b"); + if (!np) { + pr_err("missing testcase data\n"); + return; + } + + p0 = of_find_node_by_path("/testcase-data/phandle-tests/provider0"); + if (!p0) { + pr_err("missing testcase data\n"); + return; + } + + p1 = of_find_node_by_path("/testcase-data/phandle-tests/provider1"); + if (!p1) { + pr_err("missing testcase data\n"); + return; + } + + p2 = of_find_node_by_path("/testcase-data/phandle-tests/provider2"); + if (!p2) { + pr_err("missing testcase data\n"); + return; + } + + p3 = of_find_node_by_path("/testcase-data/phandle-tests/provider3"); + if (!p3) { + pr_err("missing testcase data\n"); + return; + } + + rc = of_count_phandle_with_args(np, "phandle-list", "#phandle-cells"); + unittest(rc == 7, "of_count_phandle_with_args() returned %i, expected 7\n", rc); + + for (i = 0; i < 8; i++) { + bool passed = true; + + rc = of_parse_phandle_with_args_map(np, "phandle-list", + "phandle", i, &args); + + /* Test the values from tests-phandle.dtsi */ + switch (i) { + case 0: + passed &= !rc; + passed &= (args.np == p1); + passed &= (args.args_count == 1); + passed &= (args.args[0] == 1); + break; + case 1: + passed &= !rc; + passed &= (args.np == p3); + passed &= (args.args_count == 3); + passed &= (args.args[0] == 2); + passed &= (args.args[1] == 5); + passed &= (args.args[2] == 3); + break; + case 2: + passed &= (rc == -ENOENT); + break; + case 3: + passed &= !rc; + passed &= (args.np == p0); + passed &= (args.args_count == 0); + break; + case 4: + passed &= !rc; + passed &= (args.np == p1); + passed &= (args.args_count == 1); + passed &= (args.args[0] == 3); + break; + case 5: + passed &= !rc; + passed &= (args.np == p0); + passed &= (args.args_count == 0); + break; + case 6: + passed &= !rc; + passed &= (args.np == p2); + passed &= (args.args_count == 2); + passed &= (args.args[0] == 15); + passed &= (args.args[1] == 0x20); + break; + case 7: + passed &= (rc == -ENOENT); + break; + default: + passed = false; + } + + unittest(passed, "index %i - data error on node %s rc=%i\n", + i, args.np->full_name, rc); + } + + /* Check for missing list property */ + rc = of_parse_phandle_with_args_map(np, "phandle-list-missing", + "phandle", 0, &args); + unittest(rc == -ENOENT, "expected:%i got:%i\n", -ENOENT, rc); + + /* Check for missing cells,map,mask property */ + rc = of_parse_phandle_with_args_map(np, "phandle-list", + "phandle-missing", 0, &args); + unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc); + + /* Check for bad phandle in list */ + rc = of_parse_phandle_with_args_map(np, "phandle-list-bad-phandle", + "phandle", 0, &args); + unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc); + + /* Check for incorrectly formed argument list */ + rc = of_parse_phandle_with_args_map(np, "phandle-list-bad-args", + "phandle", 1, &args); + unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc); +} + static void __init of_unittest_property_string(void) { const char *strings[4]; @@ -2359,6 +2478,7 @@ static int __init of_unittest(void) of_unittest_find_node_by_name(); of_unittest_dynamic(); of_unittest_parse_phandle_with_args(); + of_unittest_parse_phandle_with_args_map(); of_unittest_printf(); of_unittest_property_string(); of_unittest_property_copy(); |