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authorRahul Rameshbabu <rrameshbabu@nvidia.com>2023-06-13 00:15:00 +0300
committerDavid S. Miller <davem@davemloft.net>2023-06-20 11:02:33 +0300
commitd8ee5ca845b4f96cc2e74fb5dd1465c8ea3f5fa3 (patch)
treea8f8a31ad6844797bbc0ec11e75c359617d533d3 /drivers/ptp
parente156e4d2e43f8b57696ee155f8c3d026419d3363 (diff)
downloadlinux-d8ee5ca845b4f96cc2e74fb5dd1465c8ea3f5fa3.tar.xz
ptp: ocp: Add .getmaxphase ptp_clock_info callback
Add a function that advertises a maximum offset of zero supported by ptp_clock_info .adjphase in the OCP null ptp implementation. Cc: Richard Cochran <richardcochran@gmail.com> Cc: Jonathan Lemon <jonathan.lemon@gmail.com> Cc: Vadim Fedorenko <vadim.fedorenko@linux.dev> Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Acked-by: Vadim Fedorenko <vadim.fedorenko@linux.dev> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/ptp')
-rw-r--r--drivers/ptp/ptp_ocp.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/ptp/ptp_ocp.c b/drivers/ptp/ptp_ocp.c
index ab8cab4d1560..20a974ced8d6 100644
--- a/drivers/ptp/ptp_ocp.c
+++ b/drivers/ptp/ptp_ocp.c
@@ -1124,6 +1124,12 @@ ptp_ocp_null_adjfine(struct ptp_clock_info *ptp_info, long scaled_ppm)
return -EOPNOTSUPP;
}
+static s32
+ptp_ocp_null_getmaxphase(struct ptp_clock_info *ptp_info)
+{
+ return 0;
+}
+
static int
ptp_ocp_null_adjphase(struct ptp_clock_info *ptp_info, s32 phase_ns)
{
@@ -1239,6 +1245,7 @@ static const struct ptp_clock_info ptp_ocp_clock_info = {
.adjtime = ptp_ocp_adjtime,
.adjfine = ptp_ocp_null_adjfine,
.adjphase = ptp_ocp_null_adjphase,
+ .getmaxphase = ptp_ocp_null_getmaxphase,
.enable = ptp_ocp_enable,
.verify = ptp_ocp_verify,
.pps = true,