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-rw-r--r--drivers/usb/serial/cp210x.c1
-rw-r--r--drivers/usb/serial/mos7840.c60
-rw-r--r--drivers/usb/serial/option.c60
3 files changed, 15 insertions, 106 deletions
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index f4c56fc1a9f6..f40c856ff758 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -56,6 +56,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x0846, 0x1100) }, /* NetGear Managed Switch M4100 series, M5300 series, M7100 series */
{ USB_DEVICE(0x08e6, 0x5501) }, /* Gemalto Prox-PU/CU contactless smartcard reader */
{ USB_DEVICE(0x08FD, 0x000A) }, /* Digianswer A/S , ZigBee/802.15.4 MAC Device */
+ { USB_DEVICE(0x0908, 0x01FF) }, /* Siemens RUGGEDCOM USB Serial Console */
{ USB_DEVICE(0x0BED, 0x1100) }, /* MEI (TM) Cashflow-SC Bill/Voucher Acceptor */
{ USB_DEVICE(0x0BED, 0x1101) }, /* MEI series 2000 Combo Acceptor */
{ USB_DEVICE(0x0FCF, 0x1003) }, /* Dynastream ANT development board */
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 220b4be89641..e4473a9109cf 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -1309,35 +1309,6 @@ static int mos7840_write(struct tty_struct *tty, struct usb_serial_port *port,
const unsigned char *current_position = data;
unsigned char *data1;
-#ifdef NOTMOS7840
- Data = 0x00;
- status = mos7840_get_uart_reg(port, LINE_CONTROL_REGISTER, &Data);
- mos7840_port->shadowLCR = Data;
- dev_dbg(&port->dev, "%s: LINE_CONTROL_REGISTER is %x\n", __func__, Data);
- dev_dbg(&port->dev, "%s: mos7840_port->shadowLCR is %x\n", __func__, mos7840_port->shadowLCR);
-
- /* Data = 0x03; */
- /* status = mos7840_set_uart_reg(port,LINE_CONTROL_REGISTER,Data); */
- /* mos7840_port->shadowLCR=Data;//Need to add later */
-
- Data |= SERIAL_LCR_DLAB; /* data latch enable in LCR 0x80 */
- status = mos7840_set_uart_reg(port, LINE_CONTROL_REGISTER, Data);
-
- /* Data = 0x0c; */
- /* status = mos7840_set_uart_reg(port,DIVISOR_LATCH_LSB,Data); */
- Data = 0x00;
- status = mos7840_get_uart_reg(port, DIVISOR_LATCH_LSB, &Data);
- dev_dbg(&port->dev, "%s: DLL value is %x\n", __func__, Data);
-
- Data = 0x0;
- status = mos7840_get_uart_reg(port, DIVISOR_LATCH_MSB, &Data);
- dev_dbg(&port->dev, "%s: DLM value is %x\n", __func__, Data);
-
- Data = Data & ~SERIAL_LCR_DLAB;
- dev_dbg(&port->dev, "%s: mos7840_port->shadowLCR is %x\n", __func__, mos7840_port->shadowLCR);
- status = mos7840_set_uart_reg(port, LINE_CONTROL_REGISTER, Data);
-#endif
-
if (mos7840_port_paranoia_check(port, __func__))
return -1;
@@ -1614,37 +1585,6 @@ static int mos7840_calc_baud_rate_divisor(struct usb_serial_port *port,
*clk_sel_val = 0x70;
}
return 0;
-
-#ifdef NOTMCS7840
-
- for (i = 0; i < ARRAY_SIZE(mos7840_divisor_table); i++) {
- if (mos7840_divisor_table[i].BaudRate == baudrate) {
- *divisor = mos7840_divisor_table[i].Divisor;
- return 0;
- }
- }
-
- /* After trying for all the standard baud rates *
- * Try calculating the divisor for this baud rate */
-
- if (baudrate > 75 && baudrate < 230400) {
- /* get the divisor */
- custom = (__u16) (230400L / baudrate);
-
- /* Check for round off */
- round1 = (__u16) (2304000L / baudrate);
- round = (__u16) (round1 - (custom * 10));
- if (round > 4)
- custom++;
- *divisor = custom;
-
- dev_dbg(&port->dev, " Baud %d = %d\n", baudrate, custom);
- return 0;
- }
-
- dev_dbg(&port->dev, "%s", " Baud calculation Failed...\n");
- return -1;
-#endif
}
/*****************************************************************************
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index efdcee15b520..f0c0c53359ad 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -507,18 +507,10 @@ static void option_instat_callback(struct urb *urb);
#define VIATELECOM_VENDOR_ID 0x15eb
#define VIATELECOM_PRODUCT_CDS7 0x0001
-/* some devices interfaces need special handling due to a number of reasons */
-enum option_blacklist_reason {
- OPTION_BLACKLIST_NONE = 0,
- OPTION_BLACKLIST_SENDSETUP = 1,
- OPTION_BLACKLIST_RESERVED_IF = 2
-};
-
-#define MAX_BL_NUM 11
struct option_blacklist_info {
- /* bitfield of interface numbers for OPTION_BLACKLIST_SENDSETUP */
+ /* bitmask of interface numbers blacklisted for send_setup */
const unsigned long sendsetup;
- /* bitfield of interface numbers for OPTION_BLACKLIST_RESERVED_IF */
+ /* bitmask of interface numbers that are reserved */
const unsigned long reserved;
};
@@ -1822,36 +1814,13 @@ struct option_private {
module_usb_serial_driver(serial_drivers, option_ids);
-static bool is_blacklisted(const u8 ifnum, enum option_blacklist_reason reason,
- const struct option_blacklist_info *blacklist)
-{
- unsigned long num;
- const unsigned long *intf_list;
-
- if (blacklist) {
- if (reason == OPTION_BLACKLIST_SENDSETUP)
- intf_list = &blacklist->sendsetup;
- else if (reason == OPTION_BLACKLIST_RESERVED_IF)
- intf_list = &blacklist->reserved;
- else {
- BUG_ON(reason);
- return false;
- }
-
- for_each_set_bit(num, intf_list, MAX_BL_NUM + 1) {
- if (num == ifnum)
- return true;
- }
- }
- return false;
-}
-
static int option_probe(struct usb_serial *serial,
const struct usb_device_id *id)
{
struct usb_interface_descriptor *iface_desc =
&serial->interface->cur_altsetting->desc;
struct usb_device_descriptor *dev_desc = &serial->dev->descriptor;
+ const struct option_blacklist_info *blacklist;
/* Never bind to the CD-Rom emulation interface */
if (iface_desc->bInterfaceClass == 0x08)
@@ -1862,10 +1831,9 @@ static int option_probe(struct usb_serial *serial,
* the same class/subclass/protocol as the serial interfaces. Look at
* the Windows driver .INF files for reserved interface numbers.
*/
- if (is_blacklisted(
- iface_desc->bInterfaceNumber,
- OPTION_BLACKLIST_RESERVED_IF,
- (const struct option_blacklist_info *) id->driver_info))
+ blacklist = (void *)id->driver_info;
+ if (blacklist && test_bit(iface_desc->bInterfaceNumber,
+ &blacklist->reserved))
return -ENODEV;
/*
* Don't bind network interface on Samsung GT-B3730, it is handled by
@@ -1876,8 +1844,8 @@ static int option_probe(struct usb_serial *serial,
iface_desc->bInterfaceClass != USB_CLASS_CDC_DATA)
return -ENODEV;
- /* Store device id so we can use it during attach. */
- usb_set_serial_data(serial, (void *)id);
+ /* Store the blacklist info so we can use it during attach. */
+ usb_set_serial_data(serial, (void *)blacklist);
return 0;
}
@@ -1885,7 +1853,7 @@ static int option_probe(struct usb_serial *serial,
static int option_attach(struct usb_serial *serial)
{
struct usb_interface_descriptor *iface_desc;
- const struct usb_device_id *id;
+ const struct option_blacklist_info *blacklist;
struct usb_wwan_intf_private *data;
struct option_private *priv;
@@ -1899,16 +1867,16 @@ static int option_attach(struct usb_serial *serial)
return -ENOMEM;
}
- /* Retrieve device id stored at probe. */
- id = usb_get_serial_data(serial);
+ /* Retrieve blacklist info stored at probe. */
+ blacklist = usb_get_serial_data(serial);
+
iface_desc = &serial->interface->cur_altsetting->desc;
priv->bInterfaceNumber = iface_desc->bInterfaceNumber;
data->private = priv;
- if (!is_blacklisted(iface_desc->bInterfaceNumber,
- OPTION_BLACKLIST_SENDSETUP,
- (struct option_blacklist_info *)id->driver_info)) {
+ if (!blacklist || !test_bit(iface_desc->bInterfaceNumber,
+ &blacklist->sendsetup)) {
data->send_setup = option_send_setup;
}
spin_lock_init(&data->susp_lock);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.