author: Linus Torvalds <torvalds@linux-foundation.org> 2021-04-28 10:01:40 -0700
committer: Linus Torvalds <torvalds@linux-foundation.org> 2021-04-28 10:01:40 -0700
commit: 68a32ba14177d4a21c4a9a941cf1d7aea86d436f
parent: 3aa139aa9fdc138a84243dc49dc18d9b40e1c6e4
Commit Summary:
Diffstat:
1 file changed, 17 insertions, 0 deletions
diff --git a/lib/test_printf.c b/lib/test_printf.c
index 27b964ec723d..ec0d5976bb69 100644
--- a/lib/test_printf.c
+++ b/lib/test_printf.c
@@ -725,6 +725,23 @@ 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)
{
@@ -770,6 +787,7 @@ test_pointer(void)
flags();
errptr();
fwnode_pointer();
+ fourcc_pointer();
}
static void __init selftest(void)