net: mscc: ocelot: make ocelot_init_timestamp take a const struct ptp_clock_info

It is a good measure to ensure correctness if the structures that are
meant to remain constant are only processed by functions that thake
constant arguments.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mscc/ocelot_ptp.c b/drivers/net/ethernet/mscc/ocelot_ptp.c
index 1e08fe4..a33ab31 100644 (file)
--- a/drivers/net/ethernet/mscc/ocelot_ptp.c
+++ b/drivers/net/ethernet/mscc/ocelot_ptp.c
@@ -300,7 +300,8 @@ int ocelot_ptp_enable(struct ptp_clock_info *ptp,
 }
 EXPORT_SYMBOL(ocelot_ptp_enable);
 
-int ocelot_init_timestamp(struct ocelot *ocelot, struct ptp_clock_info *info)
+int ocelot_init_timestamp(struct ocelot *ocelot,
+                         const struct ptp_clock_info *info)
 {
        struct ptp_clock *ptp_clock;
        int i;

diff --git a/include/soc/mscc/ocelot_ptp.h b/include/soc/mscc/ocelot_ptp.h
index 4a6b2f7..6a7388f 100644 (file)
--- a/include/soc/mscc/ocelot_ptp.h
+++ b/include/soc/mscc/ocelot_ptp.h
@@ -53,6 +53,7 @@ int ocelot_ptp_verify(struct ptp_clock_info *ptp, unsigned int pin,
                      enum ptp_pin_function func, unsigned int chan);
 int ocelot_ptp_enable(struct ptp_clock_info *ptp,
                      struct ptp_clock_request *rq, int on);
-int ocelot_init_timestamp(struct ocelot *ocelot, struct ptp_clock_info *info);
+int ocelot_init_timestamp(struct ocelot *ocelot,
+                         const struct ptp_clock_info *info);
 int ocelot_deinit_timestamp(struct ocelot *ocelot);
 #endif