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authorJiri Kosina <jkosina@suse.cz>2010-10-30 22:16:56 +0200
committerJiri Kosina <jkosina@suse.cz>2010-10-30 22:16:56 +0200
commitf1e095f1d206b81b44160f41278ce5c78641e9b7 (patch)
treebd293d46d2d3e4cdf435a22ddb2877c6ba1b8acc /Documentation/timers/hpet_example.c
parentb0438a1b71955c425c304a2a483765ef24841766 (diff)
parent1792f17b7210280a3d7ff29da9614ba779cfcedb (diff)
Merge branch 'master' into for-next
Diffstat (limited to 'Documentation/timers/hpet_example.c')
-rw-r--r--Documentation/timers/hpet_example.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/timers/hpet_example.c b/Documentation/timers/hpet_example.c
index 4bfafb7bc4c5..9a3e7012c190 100644
--- a/Documentation/timers/hpet_example.c
+++ b/Documentation/timers/hpet_example.c
@@ -97,6 +97,33 @@ hpet_open_close(int argc, const char **argv)
void
hpet_info(int argc, const char **argv)
{
+ struct hpet_info info;
+ int fd;
+
+ if (argc != 1) {
+ fprintf(stderr, "hpet_info: device-name\n");
+ return;
+ }
+
+ fd = open(argv[0], O_RDONLY);
+ if (fd < 0) {
+ fprintf(stderr, "hpet_info: open of %s failed\n", argv[0]);
+ return;
+ }
+
+ if (ioctl(fd, HPET_INFO, &info) < 0) {
+ fprintf(stderr, "hpet_info: failed to get info\n");
+ goto out;
+ }
+
+ fprintf(stderr, "hpet_info: hi_irqfreq 0x%lx hi_flags 0x%lx ",
+ info.hi_ireqfreq, info.hi_flags);
+ fprintf(stderr, "hi_hpet %d hi_timer %d\n",
+ info.hi_hpet, info.hi_timer);
+
+out:
+ close(fd);
+ return;
}
void