diff options
| -rw-r--r-- | drivers/net/dsa/microchip/ksz8.c | 11 | 
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/dsa/microchip/ksz8.c b/drivers/net/dsa/microchip/ksz8.c index 62224426a9bd..c400e1c0369e 100644 --- a/drivers/net/dsa/microchip/ksz8.c +++ b/drivers/net/dsa/microchip/ksz8.c @@ -1760,6 +1760,17 @@ void ksz8_config_cpu_port(struct dsa_switch *ds)  					   KSZ8463_REG_DSP_CTRL_6,  					   COPPER_RECEIVE_ADJUSTMENT, 0);  		} + +		/* Turn off PTP function as the switch's proprietary way of +		 * handling timestamp is not supported in current Linux PTP +		 * stack implementation. +		 */ +		regmap_update_bits(ksz_regmap_16(dev), +				   KSZ8463_PTP_MSG_CONF1, +				   PTP_ENABLE, 0); +		regmap_update_bits(ksz_regmap_16(dev), +				   KSZ8463_PTP_CLK_CTRL, +				   PTP_CLK_ENABLE, 0);  	}  }  | 
