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authorSakari Ailus <sakari.ailus@linux.intel.com>2019-10-03 15:32:19 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-10-11 12:26:55 +0300
commitf1ce39df508de4a4abd83daa3e589ccea46b1480 (patch)
tree8786e5f9b469daf905b13c677db1d46ee15390b9 /lib/test_printf.c
parent3bd32d6a2ee62db3c5b06caf7b163b6a4d459ea1 (diff)
downloadlinux-f1ce39df508de4a4abd83daa3e589ccea46b1480.tar.xz
lib/test_printf: Add tests for %pfw printk modifier
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> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'lib/test_printf.c')
-rw-r--r--lib/test_printf.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/test_printf.c b/lib/test_printf.c
index 5d94cbff2120..422b847db424 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
@@ -593,6 +595,35 @@ 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 = "first/second/third";
+ const char * const full_name_second = "first/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[1]));
+ test(full_name, "%pfw", software_node_fwnode(&softnodes[2]));
+ test(full_name, "%pfwf", software_node_fwnode(&softnodes[2]));
+ test(second_name, "%pfwP", software_node_fwnode(&softnodes[1]));
+ test(third_name, "%pfwP", software_node_fwnode(&softnodes[2]));
+
+ software_node_unregister_nodes(softnodes);
+}
+
static void __init
test_pointer(void)
{
@@ -615,6 +646,7 @@ test_pointer(void)
bitmap();
netdev_features();
flags();
+ fwnode_pointer();
}
static void __init selftest(void)