summaryrefslogtreecommitdiffstats
path: root/include/linux/ptp_clock_kernel.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2016-10-16 11:31:39 +0200
committerIngo Molnar <mingo@kernel.org>2016-10-16 11:31:39 +0200
commit1d33369db25eb7f37b7a8bd22d736888b4501a9c (patch)
tree116d764339be1bca928870151decbedc53a9e1d1 /include/linux/ptp_clock_kernel.h
parent23446cb66c073b827779e5eb3dec301623299b32 (diff)
parent1001354ca34179f3db924eb66672442a173147dc (diff)
downloadtalos-op-linux-1d33369db25eb7f37b7a8bd22d736888b4501a9c.tar.gz
talos-op-linux-1d33369db25eb7f37b7a8bd22d736888b4501a9c.zip
Merge tag 'v4.9-rc1' into x86/urgent, to pick up updates
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/ptp_clock_kernel.h')
-rw-r--r--include/linux/ptp_clock_kernel.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h
index 6b15e168148a..5ad54fc66cf0 100644
--- a/include/linux/ptp_clock_kernel.h
+++ b/include/linux/ptp_clock_kernel.h
@@ -127,6 +127,11 @@ struct ptp_clock;
*
* @info: Structure describing the new clock.
* @parent: Pointer to the parent device of the new clock.
+ *
+ * Returns a valid pointer on success or PTR_ERR on failure. If PHC
+ * support is missing at the configuration level, this function
+ * returns NULL, and drivers are expected to gracefully handle that
+ * case separately.
*/
extern struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info,
OpenPOWER on IntegriCloud