ptp: Add a method for obtaining the device index.
This commit adds a method that MAC drivers may call in order to find out
the device number of their associated PTP Hardware Clock.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index f519a13..1e528b5 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -304,6 +304,12 @@
}
EXPORT_SYMBOL(ptp_clock_event);
+int ptp_clock_index(struct ptp_clock *ptp)
+{
+ return ptp->index;
+}
+EXPORT_SYMBOL(ptp_clock_index);
+
/* module operations */
static void __exit ptp_exit(void)