netdev - [PATCH net-next 9/9] ptp: ocp: Add .getmaxphase ptp_clock

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Message-Id: <20230510205306.136766-10-rrameshbabu@nvidia.com>
Date: Wed, 10 May 2023 13:53:06 -0700
From: Rahul Rameshbabu <rrameshbabu@...dia.com>
To: netdev@...r.kernel.org
Cc: Saeed Mahameed <saeed@...nel.org>,
	Gal Pressman <gal@...dia.com>,
	Tariq Toukan <tariqt@...dia.com>,
	"David S. Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>,
	Richard Cochran <richardcochran@...il.com>,
	Jacob Keller <jacob.e.keller@...el.com>
Subject: [PATCH net-next 9/9] 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@...il.com>
Cc: Jonathan Lemon <jonathan.lemon@...il.com>
Signed-off-by: Rahul Rameshbabu <rrameshbabu@...dia.com>
---
 drivers/ptp/ptp_ocp.c | 7 +++++++
 1 file changed, 7 insertions(+)

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,
-- 
2.38.4