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authorLizhi Hou <lizhi.hou@amd.com>2023-08-15 20:19:56 +0300
committerRob Herring <robh@kernel.org>2023-08-22 22:56:09 +0300
commitb544fc2b8606d718d0cc788ff2ea2492871df488 (patch)
tree1445d3452f3152d6763edce639e81268d466baef /drivers/of/unittest.c
parentef04d2801c5d239b83932f8ce97af1d4a1ec1cf7 (diff)
downloadlinux-b544fc2b8606d718d0cc788ff2ea2492871df488.tar.xz
of: dynamic: Add interfaces for creating device node dynamically
of_changeset_create_node() creates device node dynamically and attaches the newly created node to a changeset. Expand of_changeset APIs to handle specific types of properties. of_changeset_add_prop_string() of_changeset_add_prop_string_array() of_changeset_add_prop_u32_array() Signed-off-by: Clément Léger <clement.leger@bootlin.com> Signed-off-by: Lizhi Hou <lizhi.hou@amd.com> Link: https://lore.kernel.org/r/1692120000-46900-2-git-send-email-lizhi.hou@amd.com Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'drivers/of/unittest.c')
-rw-r--r--drivers/of/unittest.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index ac2d2ba24919..319d2254df9b 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -802,7 +802,9 @@ static void __init of_unittest_changeset(void)
struct property *ppname_n21, pname_n21 = { .name = "name", .length = 3, .value = "n21" };
struct property *ppupdate, pupdate = { .name = "prop-update", .length = 5, .value = "abcd" };
struct property *ppremove;
- struct device_node *n1, *n2, *n21, *nchangeset, *nremove, *parent, *np;
+ struct device_node *n1, *n2, *n21, *n22, *nchangeset, *nremove, *parent, *np;
+ static const char * const str_array[] = { "str1", "str2", "str3" };
+ const u32 u32_array[] = { 1, 2, 3 };
struct of_changeset chgset;
n1 = __of_node_dup(NULL, "n1");
@@ -857,6 +859,17 @@ static void __init of_unittest_changeset(void)
unittest(!of_changeset_add_property(&chgset, parent, ppadd), "fail add prop prop-add\n");
unittest(!of_changeset_update_property(&chgset, parent, ppupdate), "fail update prop\n");
unittest(!of_changeset_remove_property(&chgset, parent, ppremove), "fail remove prop\n");
+ n22 = of_changeset_create_node(&chgset, n2, "n22");
+ unittest(n22, "fail create n22\n");
+ unittest(!of_changeset_add_prop_string(&chgset, n22, "prop-str", "abcd"),
+ "fail add prop prop-str");
+ unittest(!of_changeset_add_prop_string_array(&chgset, n22, "prop-str-array",
+ (const char **)str_array,
+ ARRAY_SIZE(str_array)),
+ "fail add prop prop-str-array");
+ unittest(!of_changeset_add_prop_u32_array(&chgset, n22, "prop-u32-array",
+ u32_array, ARRAY_SIZE(u32_array)),
+ "fail add prop prop-u32-array");
unittest(!of_changeset_apply(&chgset), "apply failed\n");
@@ -866,6 +879,9 @@ static void __init of_unittest_changeset(void)
unittest((np = of_find_node_by_path("/testcase-data/changeset/n2/n21")),
"'%pOF' not added\n", n21);
of_node_put(np);
+ unittest((np = of_find_node_by_path("/testcase-data/changeset/n2/n22")),
+ "'%pOF' not added\n", n22);
+ of_node_put(np);
unittest(!of_changeset_revert(&chgset), "revert failed\n");
@@ -874,6 +890,7 @@ static void __init of_unittest_changeset(void)
of_node_put(n1);
of_node_put(n2);
of_node_put(n21);
+ of_node_put(n22);
#endif
}