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change device number of mu509 from ttyUSB0/1/2 to ttyUSB244/245/246.

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This commit is contained in:
zwp
2012-03-22 14:17:15 +08:00
parent 9e03362d2d
commit 5d97a11bdb
1 changed files with 16 additions and 1 deletions
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17
drivers/usb/serial/usb-serial.c Normal file → Executable file
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@@ -53,6 +53,10 @@ static struct usb_driver usb_serial_driver = {
.no_dynamic_id = 1,
.supports_autosuspend = 1,
};
#ifdef CONFIG_MU509
static int MU509_USB = 0;
#define MU509_USB_PORT (SERIAL_TTY_MINORS - 10)
#endif
/* There is no MODULE_DEVICE_TABLE for usbserial.c. Instead
the MODULE_DEVICE_TABLE declarations in each serial driver
@@ -97,12 +101,17 @@ static struct usb_serial *get_free_serial(struct usb_serial *serial,
{
unsigned int i, j;
int good_spot;
int a=0;
dbg("%s %d", __func__, num_ports);
*minor = 0;
mutex_lock(&table_lock);
for (i = 0; i < SERIAL_TTY_MINORS; ++i) {
#ifdef CONFIG_MU509
if (MU509_USB)
a= MU509_USB_PORT;
#endif
for (i = a; i < SERIAL_TTY_MINORS; ++i) {
if (serial_table[i])
continue;
@@ -1058,6 +1067,12 @@ int usb_serial_probe(struct usb_interface *interface,
} else {
serial->attached = 1;
}
#ifdef CONFIG_MU509
if ((le16_to_cpu(dev->descriptor.idVendor) == 0x12D1 ) && (le16_to_cpu(dev->descriptor.idProduct) == 0x1001))
MU509_USB =1;
else
MU509_USB = 0;
#endif
if (get_free_serial(serial, num_ports, &minor) == NULL) {
dev_err(&interface->dev, "No more free serial devices\n");