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authorDavid S. Miller <davem@davemloft.net>2015-03-09 23:38:02 -0400
committerDavid S. Miller <davem@davemloft.net>2015-03-09 23:38:02 -0400
commit3cef5c5b0b56f3f90b0e9ff8d3f8dc57f464cc14 (patch)
tree02e95f15bd8a04071a9a36f534a92a066a8ce66a /drivers/usb/serial/usb-serial.c
parent8ac467e837a24eb024177b4b01013d8e6764913a (diff)
parentaffb8172de395a6e1db52ed9790ca0456d8c29a9 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/ethernet/cadence/macb.c Overlapping changes in macb driver, mostly fixes and cleanups in 'net' overlapping with the integration of at91_ether into macb in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
-rw-r--r--drivers/usb/serial/usb-serial.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 475723c006f9..529066bbc7e8 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -687,6 +687,21 @@ static void serial_port_dtr_rts(struct tty_port *port, int on)
drv->dtr_rts(p, on);
}
+static ssize_t port_number_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct usb_serial_port *port = to_usb_serial_port(dev);
+
+ return sprintf(buf, "%u\n", port->port_number);
+}
+static DEVICE_ATTR_RO(port_number);
+
+static struct attribute *usb_serial_port_attrs[] = {
+ &dev_attr_port_number.attr,
+ NULL
+};
+ATTRIBUTE_GROUPS(usb_serial_port);
+
static const struct tty_port_operations serial_port_ops = {
.carrier_raised = serial_port_carrier_raised,
.dtr_rts = serial_port_dtr_rts,
@@ -902,6 +917,7 @@ static int usb_serial_probe(struct usb_interface *interface,
port->dev.driver = NULL;
port->dev.bus = &usb_serial_bus_type;
port->dev.release = &usb_serial_port_release;
+ port->dev.groups = usb_serial_port_groups;
device_initialize(&port->dev);
}
@@ -940,8 +956,9 @@ static int usb_serial_probe(struct usb_interface *interface,
port = serial->port[i];
if (kfifo_alloc(&port->write_fifo, PAGE_SIZE, GFP_KERNEL))
goto probe_error;
- buffer_size = max_t(int, serial->type->bulk_out_size,
- usb_endpoint_maxp(endpoint));
+ buffer_size = serial->type->bulk_out_size;
+ if (!buffer_size)
+ buffer_size = usb_endpoint_maxp(endpoint);
port->bulk_out_size = buffer_size;
port->bulk_out_endpointAddress = endpoint->bEndpointAddress;