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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423// SPDX-License-Identifier: GPL-2.0/* * phy-common-props-test.c -- Unit tests for PHY common properties API * * Copyright 2025-2026 NXP */#include <kunit/test.h>#include <linux/property.h>#include <linux/phy/phy-common-props.h>#include <dt-bindings/phy/phy.h>
/* Test: rx-polarity property is missing */static void phy_test_rx_polarity_is_missing(struct kunit *test){ static const struct property_entry entries[] = { {} }; struct fwnode_handle *node; unsigned int val; int ret;
node = fwnode_create_software_node(entries, NULL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
ret = phy_get_manual_rx_polarity(node, "sgmii", &val); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, val, PHY_POL_NORMAL);
fwnode_remove_software_node(node);}
/* Test: rx-polarity has more values than rx-polarity-names */static void phy_test_rx_polarity_more_values_than_names(struct kunit *test){ static const u32 rx_pol[] = { PHY_POL_NORMAL, PHY_POL_INVERT, PHY_POL_NORMAL }; static const char * const rx_pol_names[] = { "sgmii", "2500base-x" }; static const struct property_entry entries[] = { PROPERTY_ENTRY_U32_ARRAY("rx-polarity", rx_pol), PROPERTY_ENTRY_STRING_ARRAY("rx-polarity-names", rx_pol_names), {} }; struct fwnode_handle *node; unsigned int val; int ret;
node = fwnode_create_software_node(entries, NULL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
ret = phy_get_manual_rx_polarity(node, "sgmii", &val); KUNIT_EXPECT_EQ(test, ret, -EINVAL);
fwnode_remove_software_node(node);}
/* Test: rx-polarity has 1 value and rx-polarity-names does not exist */static void phy_test_rx_polarity_single_value_no_names(struct kunit *test){ static const u32 rx_pol[] = { PHY_POL_INVERT }; static const struct property_entry entries[] = { PROPERTY_ENTRY_U32_ARRAY("rx-polarity", rx_pol), {} }; struct fwnode_handle *node; unsigned int val; int ret;
node = fwnode_create_software_node(entries, NULL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
ret = phy_get_manual_rx_polarity(node, "sgmii", &val); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, val, PHY_POL_INVERT);
fwnode_remove_software_node(node);}
/* Test: rx-polarity-names has more values than rx-polarity */static void phy_test_rx_polarity_more_names_than_values(struct kunit *test){ static const u32 rx_pol[] = { PHY_POL_NORMAL, PHY_POL_INVERT }; static const char * const rx_pol_names[] = { "sgmii", "2500base-x", "1000base-x" }; static const struct property_entry entries[] = { PROPERTY_ENTRY_U32_ARRAY("rx-polarity", rx_pol), PROPERTY_ENTRY_STRING_ARRAY("rx-polarity-names", rx_pol_names), {} }; struct fwnode_handle *node; unsigned int val; int ret;
node = fwnode_create_software_node(entries, NULL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
ret = phy_get_manual_rx_polarity(node, "sgmii", &val); KUNIT_EXPECT_EQ(test, ret, -EINVAL);
fwnode_remove_software_node(node);}
/* Test: rx-polarity and rx-polarity-names have same length, find the name */static void phy_test_rx_polarity_find_by_name(struct kunit *test){ static const u32 rx_pol[] = { PHY_POL_NORMAL, PHY_POL_INVERT, PHY_POL_AUTO }; static const char * const rx_pol_names[] = { "sgmii", "2500base-x", "usb-ss" }; static const struct property_entry entries[] = { PROPERTY_ENTRY_U32_ARRAY("rx-polarity", rx_pol), PROPERTY_ENTRY_STRING_ARRAY("rx-polarity-names", rx_pol_names), {} }; struct fwnode_handle *node; unsigned int val; int ret;
node = fwnode_create_software_node(entries, NULL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
ret = phy_get_manual_rx_polarity(node, "sgmii", &val); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, val, PHY_POL_NORMAL);
ret = phy_get_manual_rx_polarity(node, "2500base-x", &val); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, val, PHY_POL_INVERT);
ret = phy_get_rx_polarity(node, "usb-ss", BIT(PHY_POL_AUTO), PHY_POL_AUTO, &val); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, val, PHY_POL_AUTO);
fwnode_remove_software_node(node);}
/* Test: same length, name not found, no "default" - error */static void phy_test_rx_polarity_name_not_found_no_default(struct kunit *test){ static const u32 rx_pol[] = { PHY_POL_NORMAL, PHY_POL_INVERT }; static const char * const rx_pol_names[] = { "2500base-x", "1000base-x" }; static const struct property_entry entries[] = { PROPERTY_ENTRY_U32_ARRAY("rx-polarity", rx_pol), PROPERTY_ENTRY_STRING_ARRAY("rx-polarity-names", rx_pol_names), {} }; struct fwnode_handle *node; unsigned int val; int ret;
node = fwnode_create_software_node(entries, NULL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
ret = phy_get_manual_rx_polarity(node, "sgmii", &val); KUNIT_EXPECT_EQ(test, ret, -EINVAL);
fwnode_remove_software_node(node);}
/* Test: same length, name not found, but "default" exists */static void phy_test_rx_polarity_name_not_found_with_default(struct kunit *test){ static const u32 rx_pol[] = { PHY_POL_NORMAL, PHY_POL_INVERT }; static const char * const rx_pol_names[] = { "2500base-x", "default" }; static const struct property_entry entries[] = { PROPERTY_ENTRY_U32_ARRAY("rx-polarity", rx_pol), PROPERTY_ENTRY_STRING_ARRAY("rx-polarity-names", rx_pol_names), {} }; struct fwnode_handle *node; unsigned int val; int ret;
node = fwnode_create_software_node(entries, NULL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
ret = phy_get_manual_rx_polarity(node, "sgmii", &val); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, val, PHY_POL_INVERT);
fwnode_remove_software_node(node);}
/* Test: polarity found but value is unsupported */static void phy_test_rx_polarity_unsupported_value(struct kunit *test){ static const u32 rx_pol[] = { PHY_POL_AUTO }; static const char * const rx_pol_names[] = { "sgmii" }; static const struct property_entry entries[] = { PROPERTY_ENTRY_U32_ARRAY("rx-polarity", rx_pol), PROPERTY_ENTRY_STRING_ARRAY("rx-polarity-names", rx_pol_names), {} }; struct fwnode_handle *node; unsigned int val; int ret;
node = fwnode_create_software_node(entries, NULL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
ret = phy_get_manual_rx_polarity(node, "sgmii", &val); KUNIT_EXPECT_EQ(test, ret, -EOPNOTSUPP);
fwnode_remove_software_node(node);}
/* Test: tx-polarity property is missing */static void phy_test_tx_polarity_is_missing(struct kunit *test){ static const struct property_entry entries[] = { {} }; struct fwnode_handle *node; unsigned int val; int ret;
node = fwnode_create_software_node(entries, NULL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
ret = phy_get_manual_tx_polarity(node, "sgmii", &val); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, val, PHY_POL_NORMAL);
fwnode_remove_software_node(node);}
/* Test: tx-polarity has more values than tx-polarity-names */static void phy_test_tx_polarity_more_values_than_names(struct kunit *test){ static const u32 tx_pol[] = { PHY_POL_NORMAL, PHY_POL_INVERT, PHY_POL_NORMAL }; static const char * const tx_pol_names[] = { "sgmii", "2500base-x" }; static const struct property_entry entries[] = { PROPERTY_ENTRY_U32_ARRAY("tx-polarity", tx_pol), PROPERTY_ENTRY_STRING_ARRAY("tx-polarity-names", tx_pol_names), {} }; struct fwnode_handle *node; unsigned int val; int ret;
node = fwnode_create_software_node(entries, NULL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
ret = phy_get_manual_tx_polarity(node, "sgmii", &val); KUNIT_EXPECT_EQ(test, ret, -EINVAL);
fwnode_remove_software_node(node);}
/* Test: tx-polarity has 1 value and tx-polarity-names does not exist */static void phy_test_tx_polarity_single_value_no_names(struct kunit *test){ static const u32 tx_pol[] = { PHY_POL_INVERT }; static const struct property_entry entries[] = { PROPERTY_ENTRY_U32_ARRAY("tx-polarity", tx_pol), {} }; struct fwnode_handle *node; unsigned int val; int ret;
node = fwnode_create_software_node(entries, NULL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
ret = phy_get_manual_tx_polarity(node, "sgmii", &val); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, val, PHY_POL_INVERT);
fwnode_remove_software_node(node);}
/* Test: tx-polarity-names has more values than tx-polarity */static void phy_test_tx_polarity_more_names_than_values(struct kunit *test){ static const u32 tx_pol[] = { PHY_POL_NORMAL, PHY_POL_INVERT }; static const char * const tx_pol_names[] = { "sgmii", "2500base-x", "1000base-x" }; static const struct property_entry entries[] = { PROPERTY_ENTRY_U32_ARRAY("tx-polarity", tx_pol), PROPERTY_ENTRY_STRING_ARRAY("tx-polarity-names", tx_pol_names), {} }; struct fwnode_handle *node; unsigned int val; int ret;
node = fwnode_create_software_node(entries, NULL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
ret = phy_get_manual_tx_polarity(node, "sgmii", &val); KUNIT_EXPECT_EQ(test, ret, -EINVAL);
fwnode_remove_software_node(node);}
/* Test: tx-polarity and tx-polarity-names have same length, find the name */static void phy_test_tx_polarity_find_by_name(struct kunit *test){ static const u32 tx_pol[] = { PHY_POL_NORMAL, PHY_POL_INVERT, PHY_POL_NORMAL }; static const char * const tx_pol_names[] = { "sgmii", "2500base-x", "1000base-x" }; static const struct property_entry entries[] = { PROPERTY_ENTRY_U32_ARRAY("tx-polarity", tx_pol), PROPERTY_ENTRY_STRING_ARRAY("tx-polarity-names", tx_pol_names), {} }; struct fwnode_handle *node; unsigned int val; int ret;
node = fwnode_create_software_node(entries, NULL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
ret = phy_get_manual_tx_polarity(node, "sgmii", &val); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, val, PHY_POL_NORMAL);
ret = phy_get_manual_tx_polarity(node, "2500base-x", &val); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, val, PHY_POL_INVERT);
ret = phy_get_manual_tx_polarity(node, "1000base-x", &val); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, val, PHY_POL_NORMAL);
fwnode_remove_software_node(node);}
/* Test: same length, name not found, no "default" - error */static void phy_test_tx_polarity_name_not_found_no_default(struct kunit *test){ static const u32 tx_pol[] = { PHY_POL_NORMAL, PHY_POL_INVERT }; static const char * const tx_pol_names[] = { "2500base-x", "1000base-x" }; static const struct property_entry entries[] = { PROPERTY_ENTRY_U32_ARRAY("tx-polarity", tx_pol), PROPERTY_ENTRY_STRING_ARRAY("tx-polarity-names", tx_pol_names), {} }; struct fwnode_handle *node; unsigned int val; int ret;
node = fwnode_create_software_node(entries, NULL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
ret = phy_get_manual_tx_polarity(node, "sgmii", &val); KUNIT_EXPECT_EQ(test, ret, -EINVAL);
fwnode_remove_software_node(node);}
/* Test: same length, name not found, but "default" exists */static void phy_test_tx_polarity_name_not_found_with_default(struct kunit *test){ static const u32 tx_pol[] = { PHY_POL_NORMAL, PHY_POL_INVERT }; static const char * const tx_pol_names[] = { "2500base-x", "default" }; static const struct property_entry entries[] = { PROPERTY_ENTRY_U32_ARRAY("tx-polarity", tx_pol), PROPERTY_ENTRY_STRING_ARRAY("tx-polarity-names", tx_pol_names), {} }; struct fwnode_handle *node; unsigned int val; int ret;
node = fwnode_create_software_node(entries, NULL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
ret = phy_get_manual_tx_polarity(node, "sgmii", &val); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, val, PHY_POL_INVERT);
fwnode_remove_software_node(node);}
/* Test: polarity found but value is unsupported (AUTO for TX) */static void phy_test_tx_polarity_unsupported_value(struct kunit *test){ static const u32 tx_pol[] = { PHY_POL_AUTO }; static const char * const tx_pol_names[] = { "sgmii" }; static const struct property_entry entries[] = { PROPERTY_ENTRY_U32_ARRAY("tx-polarity", tx_pol), PROPERTY_ENTRY_STRING_ARRAY("tx-polarity-names", tx_pol_names), {} }; struct fwnode_handle *node; unsigned int val; int ret;
node = fwnode_create_software_node(entries, NULL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
ret = phy_get_manual_tx_polarity(node, "sgmii", &val); KUNIT_EXPECT_EQ(test, ret, -EOPNOTSUPP);
fwnode_remove_software_node(node);}
static struct kunit_case phy_common_props_test_cases[] = { KUNIT_CASE(phy_test_rx_polarity_is_missing), KUNIT_CASE(phy_test_rx_polarity_more_values_than_names), KUNIT_CASE(phy_test_rx_polarity_single_value_no_names), KUNIT_CASE(phy_test_rx_polarity_more_names_than_values), KUNIT_CASE(phy_test_rx_polarity_find_by_name), KUNIT_CASE(phy_test_rx_polarity_name_not_found_no_default), KUNIT_CASE(phy_test_rx_polarity_name_not_found_with_default), KUNIT_CASE(phy_test_rx_polarity_unsupported_value), KUNIT_CASE(phy_test_tx_polarity_is_missing), KUNIT_CASE(phy_test_tx_polarity_more_values_than_names), KUNIT_CASE(phy_test_tx_polarity_single_value_no_names), KUNIT_CASE(phy_test_tx_polarity_more_names_than_values), KUNIT_CASE(phy_test_tx_polarity_find_by_name), KUNIT_CASE(phy_test_tx_polarity_name_not_found_no_default), KUNIT_CASE(phy_test_tx_polarity_name_not_found_with_default), KUNIT_CASE(phy_test_tx_polarity_unsupported_value), {}};
static struct kunit_suite phy_common_props_test_suite = { .name = "phy-common-props", .test_cases = phy_common_props_test_cases,};
kunit_test_suite(phy_common_props_test_suite);
MODULE_DESCRIPTION("Test module for PHY common properties API");MODULE_AUTHOR("Vladimir Oltean <vladimir.oltean@nxp.com>");MODULE_LICENSE("GPL");