ChangeSet 1.879.84.2, 2003/01/14 17:49:55-08:00, [EMAIL PROTECTED]
[PATCH] USB: add dev attribute for usb-serial devices in sysfs
diff -Nru a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c
--- a/drivers/usb/serial/bus.c Wed Jan 15 14:59:34 2003
+++ b/drivers/usb/serial/bus.c Wed Jan 15 14:59:34 2003
@@ -23,6 +23,17 @@
#include "usb-serial.h"
+static ssize_t show_dev (struct device *dev, char *buf)
+{
+ struct usb_serial_port *port= to_usb_serial_port(dev);
+ dev_t base;
+
+ port = to_usb_serial_port(dev);
+
+ base = MKDEV(SERIAL_TTY_MAJOR, port->number);
+ return sprintf(buf, "%04x\n", base);
+}
+static DEVICE_ATTR(dev, S_IRUGO, show_dev, NULL);
static int usb_serial_device_match (struct device *dev, struct device_driver *drv)
{
@@ -79,6 +90,8 @@
minor = port->number;
tty_register_device (&usb_serial_tty_driver, minor);
+ device_create_file (dev, &dev_attr_dev);
+
dev_info(&port->serial->dev->dev,
"%s converter now attached to ttyUSB%d (or usb/tts/%d for devfs)\n",
driver->name, minor, minor);
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