ptp: ocp: Use 'gnss' naming instead of 'gps'

GPS is not the only available positioning system.  Use the generic
naming of "GNSS" instead.
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/ptp/ptp_ocp.c

@@ -163,10 +163,10 @@ struct ptp_ocp {
 	struct platform_device	*spi_flash;
 	struct clk_hw		*i2c_clk;
 	struct timer_list	watchdog;
-	time64_t		gps_lost;
+	time64_t		gnss_lost;
 	int			id;
 	int			n_irqs;
-	int			gps_port;
+	int			gnss_port;
 	int			mac_port;	/* miniature atomic clock */
 	u8			serial[6];
 	int			flash_start;
@@ -272,7 +272,7 @@ static struct ocp_resource ocp_fb_resource[] = {
 		.offset = 0x00150000, .size = 0x10000, .irq_vec = 7,
 	},
 	{
-		OCP_SERIAL_RESOURCE(gps_port),
+		OCP_SERIAL_RESOURCE(gnss_port),
 		.offset = 0x00160000 + 0x1000, .irq_vec = 3,
 	},
 	{
@@ -546,15 +546,15 @@ ptp_ocp_watchdog(struct timer_list *t)
 
 	if (status & PPS_STATUS_SUPERV_ERR) {
 		iowrite32(status, &bp->pps_to_clk->status);
-		if (!bp->gps_lost) {
+		if (!bp->gnss_lost) {
 			spin_lock_irqsave(&bp->lock, flags);
 			__ptp_ocp_clear_drift_locked(bp);
 			spin_unlock_irqrestore(&bp->lock, flags);
-			bp->gps_lost = ktime_get_real_seconds();
+			bp->gnss_lost = ktime_get_real_seconds();
 		}
 
-	} else if (bp->gps_lost) {
-		bp->gps_lost = 0;
+	} else if (bp->gnss_lost) {
+		bp->gnss_lost = 0;
 	}
 
 	mod_timer(&bp->watchdog, jiffies + HZ);
@@ -1195,19 +1195,19 @@ serialnum_show(struct device *dev, struct device_attribute *attr, char *buf)
 static DEVICE_ATTR_RO(serialnum);
 
 static ssize_t
-gps_sync_show(struct device *dev, struct device_attribute *attr, char *buf)
+gnss_sync_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct ptp_ocp *bp = dev_get_drvdata(dev);
 	ssize_t ret;
 
-	if (bp->gps_lost)
-		ret = sysfs_emit(buf, "LOST @ %ptT\n", &bp->gps_lost);
+	if (bp->gnss_lost)
+		ret = sysfs_emit(buf, "LOST @ %ptT\n", &bp->gnss_lost);
 	else
 		ret = sysfs_emit(buf, "SYNC\n");
 
 	return ret;
 }
-static DEVICE_ATTR_RO(gps_sync);
+static DEVICE_ATTR_RO(gnss_sync);
 
 static ssize_t
 clock_source_show(struct device *dev, struct device_attribute *attr, char *buf)
@@ -1264,7 +1264,7 @@ static DEVICE_ATTR_RO(available_clock_sources);
 
 static struct attribute *timecard_attrs[] = {
 	&dev_attr_serialnum.attr,
-	&dev_attr_gps_sync.attr,
+	&dev_attr_gnss_sync.attr,
 	&dev_attr_clock_source.attr,
 	&dev_attr_available_clock_sources.attr,
 	NULL,
@@ -1297,7 +1297,7 @@ ptp_ocp_device_init(struct ptp_ocp *bp, struct pci_dev *pdev)
 
 	bp->ptp_info = ptp_ocp_clock_info;
 	spin_lock_init(&bp->lock);
-	bp->gps_port = -1;
+	bp->gnss_port = -1;
 	bp->mac_port = -1;
 	bp->pdev = pdev;
 
@@ -1356,9 +1356,9 @@ ptp_ocp_complete(struct ptp_ocp *bp)
 	struct pps_device *pps;
 	char buf[32];
 
-	if (bp->gps_port != -1) {
-		sprintf(buf, "ttyS%d", bp->gps_port);
-		ptp_ocp_link_child(bp, buf, "ttyGPS");
+	if (bp->gnss_port != -1) {
+		sprintf(buf, "ttyS%d", bp->gnss_port);
+		ptp_ocp_link_child(bp, buf, "ttyGNSS");
 	}
 	if (bp->mac_port != -1) {
 		sprintf(buf, "ttyS%d", bp->mac_port);
@@ -1393,8 +1393,8 @@ ptp_ocp_resource_summary(struct ptp_ocp *bp)
 			dev_info(dev, "golden image, version %d\n",
 				 ver >> 16);
 	}
-	if (bp->gps_port != -1)
-		dev_info(dev, "GPS @ /dev/ttyS%d  115200\n", bp->gps_port);
+	if (bp->gnss_port != -1)
+		dev_info(dev, "GNSS @ /dev/ttyS%d 115200\n", bp->gnss_port);
 	if (bp->mac_port != -1)
 		dev_info(dev, "MAC @ /dev/ttyS%d   57600\n", bp->mac_port);
 }
@@ -1404,7 +1404,7 @@ ptp_ocp_detach_sysfs(struct ptp_ocp *bp)
 {
 	struct device *dev = &bp->dev;
 
-	sysfs_remove_link(&dev->kobj, "ttyGPS");
+	sysfs_remove_link(&dev->kobj, "ttyGNSS");
 	sysfs_remove_link(&dev->kobj, "ttyMAC");
 	sysfs_remove_link(&dev->kobj, "ptp");
 	sysfs_remove_link(&dev->kobj, "pps");
@@ -1423,8 +1423,8 @@ ptp_ocp_detach(struct ptp_ocp *bp)
 		ptp_ocp_unregister_ext(bp->ts1);
 	if (bp->pps)
 		ptp_ocp_unregister_ext(bp->pps);
-	if (bp->gps_port != -1)
-		serial8250_unregister_port(bp->gps_port);
+	if (bp->gnss_port != -1)
+		serial8250_unregister_port(bp->gnss_port);
 	if (bp->mac_port != -1)
 		serial8250_unregister_port(bp->mac_port);
 	if (bp->spi_flash)