Merge tag 'printk-for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/printk...

[linux-2.6-microblaze.git] / lib / test_printf.c

diff --git a/lib/test_printf.c b/lib/test_printf.c
index 69b04b5..8ac71ae 100644 (file)
--- a/lib/test_printf.c
+++ b/lib/test_printf.c
@@ -730,6 +730,23 @@ static void __init fwnode_pointer(void)
        software_node_unregister_nodes(softnodes);
 }
 
+static void __init fourcc_pointer(void)
+{
+       struct {
+               u32 code;
+               char *str;
+       } const try[] = {
+               { 0x3231564e, "NV12 little-endian (0x3231564e)", },
+               { 0xb231564e, "NV12 big-endian (0xb231564e)", },
+               { 0x10111213, ".... little-endian (0x10111213)", },
+               { 0x20303159, "Y10  little-endian (0x20303159)", },
+       };
+       unsigned int i;
+
+       for (i = 0; i < ARRAY_SIZE(try); i++)
+               test(try[i].str, "%p4cc", &try[i].code);
+}
+
 static void __init
 errptr(void)
 {
@@ -775,6 +792,7 @@ test_pointer(void)
        flags();
        errptr();
        fwnode_pointer();
+       fourcc_pointer();
 }
 
 static void __init selftest(void)