diff options
| -rw-r--r-- | drivers/usb/serial/mos7840.c | 60 | ||||
| -rw-r--r-- | drivers/usb/serial/option.c | 60 |
2 files changed, 14 insertions, 106 deletions
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 220b4be8964..e4473a9109c 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 efdcee15b52..f0c0c53359a 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); |