[PATCH v4 11/11] lib/test_printf: Add tests for %pfw printk modifier
From: Sakari Ailus <sakari.ailus@linux.intel.com>
Date: 2019-09-02 08:32:50
Also in:
linux-acpi, lkml
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
Add a test for the %pfw printk modifier using software nodes. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- lib/test_printf.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+)
diff --git a/lib/test_printf.c b/lib/test_printf.c
index 944eb50f38625..9c6d716979fb1 100644
--- a/lib/test_printf.c
+++ b/lib/test_printf.c@@ -22,6 +22,8 @@ #include <linux/gfp.h> #include <linux/mm.h> +#include <linux/property.h> + #include "../tools/testing/selftests/kselftest_module.h" #define BUF_SIZE 256
@@ -588,6 +590,40 @@ flags(void) kfree(cmp_buffer); } +static void __init fwnode_pointer(void) +{ + const struct software_node softnodes[] = { + { .name = "first", }, + { .name = "second", .parent = &softnodes[0], }, + { .name = "third", .parent = &softnodes[1], }, + { NULL /* Guardian */ }, + }; + const char * const full_name = "/second/third"; + const char * const full_name_second = "/second"; + const char * const second_name = "second"; + const char * const third_name = "third"; + int rval; + + rval = software_node_register_nodes(softnodes); + if (rval) { + pr_warn("cannot register softnodes; rval %d\n", rval); + return; + } + + test(full_name_second, "%pfw", + software_node_fwnode(&softnodes[ARRAY_SIZE(softnodes) - 3])); + test(full_name, "%pfw", + software_node_fwnode(&softnodes[ARRAY_SIZE(softnodes) - 2])); + test(full_name, "%pfwf", + software_node_fwnode(&softnodes[ARRAY_SIZE(softnodes) - 2])); + test(second_name, "%pfwP", + software_node_fwnode(&softnodes[ARRAY_SIZE(softnodes) - 3])); + test(third_name, "%pfwP", + software_node_fwnode(&softnodes[ARRAY_SIZE(softnodes) - 2])); + + software_node_unregister_nodes(softnodes); +} + static void __init test_pointer(void) {
@@ -610,6 +646,7 @@ test_pointer(void) bitmap(); netdev_features(); flags(); + fwnode_pointer(); } static void __init selftest(void)
--
2.20.1