diff --git a/drivers/net/ethernet/adi/bfin_mac.c b/drivers/net/ethernet/adi/bfin_mac.c
index a9ac58c351a05cb1b568361e73e8df34e98b2b5c..a251de8d9a9133f1b984e499cd66066ce42c0758 100644
--- a/drivers/net/ethernet/adi/bfin_mac.c
+++ b/drivers/net/ethernet/adi/bfin_mac.c
@@ -986,7 +986,7 @@ static int bfin_ptp_enable(struct ptp_clock_info *ptp,
 	return -EOPNOTSUPP;
 }
 
-static struct ptp_clock_info bfin_ptp_caps = {
+static const struct ptp_clock_info bfin_ptp_caps = {
 	.owner		= THIS_MODULE,
 	.name		= "BF518 clock",
 	.max_adj	= 0,
diff --git a/drivers/net/ethernet/cadence/macb_ptp.c b/drivers/net/ethernet/cadence/macb_ptp.c
index 67cca08472b77428b04da6d8064f5f7a40c15e68..2220c771092b46e8fb583d46ea99d5829e1793d0 100755
--- a/drivers/net/ethernet/cadence/macb_ptp.c
+++ b/drivers/net/ethernet/cadence/macb_ptp.c
@@ -192,7 +192,7 @@ static int gem_ptp_enable(struct ptp_clock_info *ptp,
 	return -EOPNOTSUPP;
 }
 
-static struct ptp_clock_info gem_ptp_caps_template = {
+static const struct ptp_clock_info gem_ptp_caps_template = {
 	.owner		= THIS_MODULE,
 	.name		= GEM_PTP_TIMER_NAME,
 	.max_adj	= 0,
diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c
index 721be13081f93895e9fec7da20b50b34efe507f7..544114281ea754fc9c2221b8aa2f2b8d3ef842f6 100644
--- a/drivers/net/ethernet/freescale/gianfar_ptp.c
+++ b/drivers/net/ethernet/freescale/gianfar_ptp.c
@@ -411,7 +411,7 @@ static int ptp_gianfar_enable(struct ptp_clock_info *ptp,
 	return -EOPNOTSUPP;
 }
 
-static struct ptp_clock_info ptp_gianfar_caps = {
+static const struct ptp_clock_info ptp_gianfar_caps = {
 	.owner		= THIS_MODULE,
 	.name		= "gianfar clock",
 	.max_adj	= 512000,
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
index d71bd80c5b5b63a60335e371db2c38093acc0fda..e471a903c6543f8f29c817cc0f7c8b5c474e3cec 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
@@ -152,7 +152,7 @@ static int stmmac_enable(struct ptp_clock_info *ptp,
 }
 
 /* structure describing a PTP hardware clock */
-static struct ptp_clock_info stmmac_ptp_clock_ops = {
+static const struct ptp_clock_info stmmac_ptp_clock_ops = {
 	.owner = THIS_MODULE,
 	.name = "stmmac_ptp_clock",
 	.max_adj = 62500000,
diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c
index c2121d214f089eb1fe59af4ceb4b2b358abb8f0c..e7b76f6b4f67ef7ff53a22a14805d3386b789520 100644
--- a/drivers/net/ethernet/ti/cpts.c
+++ b/drivers/net/ethernet/ti/cpts.c
@@ -298,7 +298,7 @@ static long cpts_overflow_check(struct ptp_clock_info *ptp)
 	return (long)delay;
 }
 
-static struct ptp_clock_info cpts_info = {
+static const struct ptp_clock_info cpts_info = {
 	.owner		= THIS_MODULE,
 	.name		= "CTPS timer",
 	.max_adj	= 1000000,
diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c
index aec95382ea5ceb46d9841088bf6dd55bfcca55b7..c00102b8145aea309e3a405b8b62803d70b1e4d4 100644
--- a/drivers/net/ethernet/tile/tilegx.c
+++ b/drivers/net/ethernet/tile/tilegx.c
@@ -873,7 +873,7 @@ static int ptp_mpipe_enable(struct ptp_clock_info *ptp,
 	return -EOPNOTSUPP;
 }
 
-static struct ptp_clock_info ptp_mpipe_caps = {
+static const struct ptp_clock_info ptp_mpipe_caps = {
 	.owner		= THIS_MODULE,
 	.name		= "mPIPE clock",
 	.max_adj	= 999999999,