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authorRichard Cochran <richardcochran@gmail.com>2012-04-03 22:59:16 +0000
committerDavid S. Miller <davem@davemloft.net>2012-04-04 05:28:45 -0400
commit995a9090b2b7dc734351f3ac0ba8d913ffb87001 (patch)
treeff47973003ce5c420ca556739885c85d9daa68ee /drivers/ptp/ptp_clock.c
parent2173bff5dcff4ca02226978f39648b66a8c3ca1e (diff)
downloadlinux-linaro-stable-995a9090b2b7dc734351f3ac0ba8d913ffb87001.tar.gz
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>
Diffstat (limited to 'drivers/ptp/ptp_clock.c')
-rw-r--r--drivers/ptp/ptp_clock.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index f519a131238d..1e528b539a07 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -304,6 +304,12 @@ void ptp_clock_event(struct ptp_clock *ptp, struct ptp_clock_event *event)
}
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)