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Diffstat (limited to 'arch/mips/kernel/csrc-ioasic.c')
-rw-r--r--arch/mips/kernel/csrc-ioasic.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/mips/kernel/csrc-ioasic.c b/arch/mips/kernel/csrc-ioasic.c
index 6cbbf6e106b9..722f5589cd1d 100644
--- a/arch/mips/kernel/csrc-ioasic.c
+++ b/arch/mips/kernel/csrc-ioasic.c
@@ -12,12 +12,9 @@
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/clocksource.h>
+#include <linux/sched_clock.h>
#include <linux/init.h>
#include <asm/ds1287.h>
@@ -37,6 +34,11 @@ static struct clocksource clocksource_dec = {
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
+static u64 notrace dec_ioasic_read_sched_clock(void)
+{
+ return ioasic_read(IO_REG_FCTR);
+}
+
int __init dec_ioasic_clocksource_init(void)
{
unsigned int freq;
@@ -65,5 +67,8 @@ int __init dec_ioasic_clocksource_init(void)
clocksource_dec.rating = 200 + freq / 10000000;
clocksource_register_hz(&clocksource_dec, freq);
+
+ sched_clock_register(dec_ioasic_read_sched_clock, 32, freq);
+
return 0;
}