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path: root/drivers/usb/serial
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Diffstat (limited to 'drivers/usb/serial')
-rw-r--r--drivers/usb/serial/ipaq.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c
index c021905f063..65beea6e54d 100644
--- a/drivers/usb/serial/ipaq.c
+++ b/drivers/usb/serial/ipaq.c
@@ -70,6 +70,8 @@
static __u16 product, vendor;
static int debug;
+static int connect_retries = KP_RETRIES;
+static int initial_wait;
/* Function prototypes for an ipaq */
static int ipaq_open (struct usb_serial_port *port, struct file *filp);
@@ -582,7 +584,7 @@ static int ipaq_open(struct usb_serial_port *port, struct file *filp)
struct ipaq_private *priv;
struct ipaq_packet *pkt;
int i, result = 0;
- int retries = KP_RETRIES;
+ int retries = connect_retries;
dbg("%s - port %d", __FUNCTION__, port->number);
@@ -646,6 +648,7 @@ static int ipaq_open(struct usb_serial_port *port, struct file *filp)
port->read_urb->transfer_buffer_length = URBDATA_SIZE;
port->bulk_out_size = port->write_urb->transfer_buffer_length = URBDATA_SIZE;
+ msleep(1000*initial_wait);
/* Start reading from the device */
usb_fill_bulk_urb(port->read_urb, serial->dev,
usb_rcvbulkpipe(serial->dev, port->bulk_in_endpointAddress),
@@ -672,6 +675,7 @@ static int ipaq_open(struct usb_serial_port *port, struct file *filp)
}
return 0;
}
+ msleep(1000);
}
err("%s - failed doing control urb, error %d", __FUNCTION__, result);
goto error;
@@ -967,3 +971,9 @@ MODULE_PARM_DESC(vendor, "User specified USB idVendor");
module_param(product, ushort, 0);
MODULE_PARM_DESC(product, "User specified USB idProduct");
+
+module_param(connect_retries, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(connect_retries, "Maximum number of connect retries (one second each)");
+
+module_param(initial_wait, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(initial_wait, "Time to wait before attempting a connection (in seconds)");