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@@ -12,29 +12,31 @@
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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- * See Documentation/usb/usb-serial.txt for more information on using this driver
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+ * See Documentation/usb/usb-serial.txt for more information on using this
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+ * driver
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*
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* (10/09/2002) Stuart MacDonald (stuartm@connecttech.com)
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* Upgrade to full working driver
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*
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* (05/30/2001) gkh
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- * switched from using spinlock to a semaphore, which fixes lots of problems.
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+ * switched from using spinlock to a semaphore, which fixes lots of
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+ * problems.
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*
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* (04/08/2001) gb
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* Identify version on module load.
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- *
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+ *
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* 2001_Mar_19 gkh
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- * Fixed MOD_INC and MOD_DEC logic, the ability to open a port more
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+ * Fixed MOD_INC and MOD_DEC logic, the ability to open a port more
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* than once, and the got the proper usb_device_id table entries so
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* the driver works again.
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*
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* (11/01/2000) Adam J. Richter
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* usb_device_id table support
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- *
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+ *
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* (10/05/2000) gkh
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* Fixed bug with urb->dev not being set properly, now that the usb
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* core needs it.
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- *
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+ *
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* (10/03/2000) smd
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* firmware is improved to guard against crap sent to device
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* firmware now replies CMD_FAILURE on bad things
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@@ -52,9 +54,9 @@
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* Fixed bug with port->minor that was found by Al Borchers
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*
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* (07/04/2000) gkh
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- * Added support for port settings. Baud rate can now be changed. Line signals
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- * are not transferred to and from the tty layer yet, but things seem to be
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- * working well now.
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+ * Added support for port settings. Baud rate can now be changed. Line
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+ * signals are not transferred to and from the tty layer yet, but things
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+ * seem to be working well now.
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*
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* (05/04/2000) gkh
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* First cut at open and close commands. Data can flow through the ports at
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@@ -62,7 +64,7 @@
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*
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* (03/26/2000) gkh
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* Split driver up into device specific pieces.
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- *
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+ *
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*/
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#include <linux/kernel.h>
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@@ -75,7 +77,7 @@
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#include <linux/module.h>
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#include <linux/spinlock.h>
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#include <linux/mutex.h>
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-#include <asm/uaccess.h>
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+#include <linux/uaccess.h>
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#include <asm/termbits.h>
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#include <linux/usb.h>
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#include <linux/serial_reg.h>
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@@ -125,7 +127,7 @@ static struct usb_device_id id_table_combined [] = {
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{ } /* Terminating entry */
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};
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-MODULE_DEVICE_TABLE (usb, id_table_combined);
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+MODULE_DEVICE_TABLE(usb, id_table_combined);
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static struct usb_driver whiteheat_driver = {
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.name = "whiteheat",
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@@ -136,26 +138,34 @@ static struct usb_driver whiteheat_driver = {
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};
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/* function prototypes for the Connect Tech WhiteHEAT prerenumeration device */
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-static int whiteheat_firmware_download (struct usb_serial *serial, const struct usb_device_id *id);
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-static int whiteheat_firmware_attach (struct usb_serial *serial);
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+static int whiteheat_firmware_download(struct usb_serial *serial,
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+ const struct usb_device_id *id);
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+static int whiteheat_firmware_attach(struct usb_serial *serial);
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/* function prototypes for the Connect Tech WhiteHEAT serial converter */
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-static int whiteheat_attach (struct usb_serial *serial);
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-static void whiteheat_shutdown (struct usb_serial *serial);
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-static int whiteheat_open (struct tty_struct *tty, struct usb_serial_port *port, struct file *filp);
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-static void whiteheat_close (struct tty_struct *tty, struct usb_serial_port *port, struct file *filp);
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-static int whiteheat_write (struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *buf, int count);
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-static int whiteheat_write_room (struct tty_struct *tty);
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-static int whiteheat_ioctl (struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg);
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-static void whiteheat_set_termios (struct tty_struct *tty, struct usb_serial_port *port, struct ktermios * old);
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-static int whiteheat_tiocmget (struct tty_struct *tty, struct file *file);
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-static int whiteheat_tiocmset (struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear);
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-static void whiteheat_break_ctl (struct tty_struct *tty, int break_state);
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-static int whiteheat_chars_in_buffer (struct tty_struct *tty);
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-static void whiteheat_throttle (struct tty_struct *tty);
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-static void whiteheat_unthrottle (struct tty_struct *tty);
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-static void whiteheat_read_callback (struct urb *urb);
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-static void whiteheat_write_callback (struct urb *urb);
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+static int whiteheat_attach(struct usb_serial *serial);
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+static void whiteheat_shutdown(struct usb_serial *serial);
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+static int whiteheat_open(struct tty_struct *tty,
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+ struct usb_serial_port *port, struct file *filp);
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+static void whiteheat_close(struct tty_struct *tty,
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+ struct usb_serial_port *port, struct file *filp);
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+static int whiteheat_write(struct tty_struct *tty,
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+ struct usb_serial_port *port,
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+ const unsigned char *buf, int count);
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+static int whiteheat_write_room(struct tty_struct *tty);
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+static int whiteheat_ioctl(struct tty_struct *tty, struct file *file,
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+ unsigned int cmd, unsigned long arg);
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+static void whiteheat_set_termios(struct tty_struct *tty,
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+ struct usb_serial_port *port, struct ktermios *old);
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+static int whiteheat_tiocmget(struct tty_struct *tty, struct file *file);
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+static int whiteheat_tiocmset(struct tty_struct *tty, struct file *file,
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+ unsigned int set, unsigned int clear);
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+static void whiteheat_break_ctl(struct tty_struct *tty, int break_state);
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+static int whiteheat_chars_in_buffer(struct tty_struct *tty);
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+static void whiteheat_throttle(struct tty_struct *tty);
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+static void whiteheat_unthrottle(struct tty_struct *tty);
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+static void whiteheat_read_callback(struct urb *urb);
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+static void whiteheat_write_callback(struct urb *urb);
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static struct usb_serial_driver whiteheat_fake_device = {
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.driver = {
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@@ -202,7 +212,9 @@ struct whiteheat_command_private {
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struct mutex mutex;
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__u8 port_running;
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__u8 command_finished;
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- wait_queue_head_t wait_command; /* for handling sleeping while waiting for a command to finish */
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+ wait_queue_head_t wait_command; /* for handling sleeping whilst
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+ waiting for a command to
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+ finish */
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__u8 result_buffer[64];
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};
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@@ -239,11 +251,13 @@ static void command_port_write_callback(struct urb *urb);
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static void command_port_read_callback(struct urb *urb);
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static int start_port_read(struct usb_serial_port *port);
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-static struct whiteheat_urb_wrap *urb_to_wrap(struct urb *urb, struct list_head *head);
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+static struct whiteheat_urb_wrap *urb_to_wrap(struct urb *urb,
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+ struct list_head *head);
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static struct list_head *list_first(struct list_head *head);
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static void rx_data_softint(struct work_struct *work);
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-static int firm_send_command(struct usb_serial_port *port, __u8 command, __u8 *data, __u8 datasize);
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+static int firm_send_command(struct usb_serial_port *port, __u8 command,
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+ __u8 *data, __u8 datasize);
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static int firm_open(struct usb_serial_port *port);
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static int firm_close(struct usb_serial_port *port);
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static int firm_setup_port(struct tty_struct *tty);
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@@ -278,7 +292,8 @@ static int firm_report_tx_done(struct usb_serial_port *port);
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- device renumerated itself and comes up as new device id with all
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firmware download completed.
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*/
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-static int whiteheat_firmware_download (struct usb_serial *serial, const struct usb_device_id *id)
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+static int whiteheat_firmware_download(struct usb_serial *serial,
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+ const struct usb_device_id *id)
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{
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int response, ret = -ENOENT;
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const struct firmware *loader_fw = NULL, *firmware_fw = NULL;
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@@ -313,7 +328,7 @@ static int whiteheat_firmware_download (struct usb_serial *serial, const struct
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record = ihex_next_binrec(record);
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}
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- response = ezusb_set_reset (serial, 0);
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+ response = ezusb_set_reset(serial, 0);
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record = (const struct ihex_binrec *)firmware_fw->data;
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while (record && be32_to_cpu(record->addr) < 0x1b40)
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@@ -330,8 +345,8 @@ static int whiteheat_firmware_download (struct usb_serial *serial, const struct
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}
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++record;
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}
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-
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- response = ezusb_set_reset (serial, 1);
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+
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+ response = ezusb_set_reset(serial, 1);
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record = (const struct ihex_binrec *)firmware_fw->data;
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while (record && be32_to_cpu(record->addr) < 0x1b40) {
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@@ -355,7 +370,7 @@ static int whiteheat_firmware_download (struct usb_serial *serial, const struct
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}
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-static int whiteheat_firmware_attach (struct usb_serial *serial)
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+static int whiteheat_firmware_attach(struct usb_serial *serial)
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{
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/* We want this device to fail to have a driver assigned to it */
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return 1;
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@@ -365,7 +380,7 @@ static int whiteheat_firmware_attach (struct usb_serial *serial)
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/*****************************************************************************
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* Connect Tech's White Heat serial driver functions
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*****************************************************************************/
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-static int whiteheat_attach (struct usb_serial *serial)
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+static int whiteheat_attach(struct usb_serial *serial)
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{
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struct usb_serial_port *command_port;
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struct whiteheat_command_private *command_info;
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@@ -386,43 +401,52 @@ static int whiteheat_attach (struct usb_serial *serial)
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command_port = serial->port[COMMAND_PORT];
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- pipe = usb_sndbulkpipe (serial->dev, command_port->bulk_out_endpointAddress);
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+ pipe = usb_sndbulkpipe(serial->dev,
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+ command_port->bulk_out_endpointAddress);
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command = kmalloc(2, GFP_KERNEL);
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if (!command)
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goto no_command_buffer;
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command[0] = WHITEHEAT_GET_HW_INFO;
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command[1] = 0;
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-
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+
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result = kmalloc(sizeof(*hw_info) + 1, GFP_KERNEL);
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if (!result)
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goto no_result_buffer;
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/*
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* When the module is reloaded the firmware is still there and
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* the endpoints are still in the usb core unchanged. This is the
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- * unlinking bug in disguise. Same for the call below.
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- */
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+ * unlinking bug in disguise. Same for the call below.
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+ */
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usb_clear_halt(serial->dev, pipe);
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- ret = usb_bulk_msg (serial->dev, pipe, command, 2, &alen, COMMAND_TIMEOUT_MS);
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+ ret = usb_bulk_msg(serial->dev, pipe, command, 2,
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+ &alen, COMMAND_TIMEOUT_MS);
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if (ret) {
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- err("%s: Couldn't send command [%d]", serial->type->description, ret);
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+ err("%s: Couldn't send command [%d]",
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+ serial->type->description, ret);
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goto no_firmware;
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} else if (alen != 2) {
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- err("%s: Send command incomplete [%d]", serial->type->description, alen);
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+ err("%s: Send command incomplete [%d]",
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+ serial->type->description, alen);
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goto no_firmware;
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}
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- pipe = usb_rcvbulkpipe (serial->dev, command_port->bulk_in_endpointAddress);
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+ pipe = usb_rcvbulkpipe(serial->dev,
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+ command_port->bulk_in_endpointAddress);
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/* See the comment on the usb_clear_halt() above */
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usb_clear_halt(serial->dev, pipe);
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- ret = usb_bulk_msg (serial->dev, pipe, result, sizeof(*hw_info) + 1, &alen, COMMAND_TIMEOUT_MS);
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+ ret = usb_bulk_msg(serial->dev, pipe, result,
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+ sizeof(*hw_info) + 1, &alen, COMMAND_TIMEOUT_MS);
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if (ret) {
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- err("%s: Couldn't get results [%d]", serial->type->description, ret);
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+ err("%s: Couldn't get results [%d]",
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+ serial->type->description, ret);
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goto no_firmware;
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} else if (alen != sizeof(*hw_info) + 1) {
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- err("%s: Get results incomplete [%d]", serial->type->description, alen);
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+ err("%s: Get results incomplete [%d]",
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+ serial->type->description, alen);
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goto no_firmware;
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} else if (result[0] != command[0]) {
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- err("%s: Command failed [%d]", serial->type->description, result[0]);
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+ err("%s: Command failed [%d]",
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+ serial->type->description, result[0]);
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goto no_firmware;
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}
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@@ -436,7 +460,8 @@ static int whiteheat_attach (struct usb_serial *serial)
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info = kmalloc(sizeof(struct whiteheat_private), GFP_KERNEL);
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if (info == NULL) {
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- err("%s: Out of memory for port structures\n", serial->type->description);
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+ err("%s: Out of memory for port structures\n",
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+ serial->type->description);
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goto no_private;
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}
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@@ -506,9 +531,11 @@ static int whiteheat_attach (struct usb_serial *serial)
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usb_set_serial_port_data(port, info);
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}
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- command_info = kmalloc(sizeof(struct whiteheat_command_private), GFP_KERNEL);
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+ command_info = kmalloc(sizeof(struct whiteheat_command_private),
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+ GFP_KERNEL);
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if (command_info == NULL) {
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- err("%s: Out of memory for port structures\n", serial->type->description);
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+ err("%s: Out of memory for port structures\n",
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+ serial->type->description);
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goto no_command_private;
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}
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@@ -525,9 +552,12 @@ static int whiteheat_attach (struct usb_serial *serial)
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no_firmware:
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/* Firmware likely not running */
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- err("%s: Unable to retrieve firmware version, try replugging\n", serial->type->description);
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- err("%s: If the firmware is not running (status led not blinking)\n", serial->type->description);
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- err("%s: please contact support@connecttech.com\n", serial->type->description);
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+ err("%s: Unable to retrieve firmware version, try replugging\n",
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+ serial->type->description);
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+ err("%s: If the firmware is not running (status led not blinking)\n",
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+ serial->type->description);
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+ err("%s: please contact support@connecttech.com\n",
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+ serial->type->description);
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kfree(result);
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return -ENODEV;
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@@ -570,7 +600,7 @@ no_command_buffer:
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}
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-static void whiteheat_shutdown (struct usb_serial *serial)
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+static void whiteheat_shutdown(struct usb_serial *serial)
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{
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struct usb_serial_port *command_port;
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struct usb_serial_port *port;
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@@ -585,7 +615,7 @@ static void whiteheat_shutdown (struct usb_serial *serial)
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/* free up our private data for our command port */
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command_port = serial->port[COMMAND_PORT];
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- kfree (usb_get_serial_port_data(command_port));
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+ kfree(usb_get_serial_port_data(command_port));
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for (i = 0; i < serial->num_ports; i++) {
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port = serial->port[i];
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@@ -612,8 +642,7 @@ static void whiteheat_shutdown (struct usb_serial *serial)
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return;
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}
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-
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-static int whiteheat_open (struct tty_struct *tty,
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+static int whiteheat_open(struct tty_struct *tty,
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struct usb_serial_port *port, struct file *filp)
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{
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int retval = 0;
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@@ -655,7 +684,8 @@ static int whiteheat_open (struct tty_struct *tty,
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/* Start reading from the device */
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retval = start_port_read(port);
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if (retval) {
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- err("%s - failed submitting read urb, error %d", __func__, retval);
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+ err("%s - failed submitting read urb, error %d",
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+ __func__, retval);
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firm_close(port);
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stop_command_port(port->serial);
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goto exit;
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@@ -668,7 +698,7 @@ exit:
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static void whiteheat_close(struct tty_struct *tty,
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- struct usb_serial_port *port, struct file * filp)
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+ struct usb_serial_port *port, struct file *filp)
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{
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struct whiteheat_private *info = usb_get_serial_port_data(port);
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struct whiteheat_urb_wrap *wrap;
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@@ -769,16 +799,19 @@ static int whiteheat_write(struct tty_struct *tty,
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wrap = list_entry(tmp, struct whiteheat_urb_wrap, list);
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urb = wrap->urb;
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- bytes = (count > port->bulk_out_size) ? port->bulk_out_size : count;
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- memcpy (urb->transfer_buffer, buf + sent, bytes);
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+ bytes = (count > port->bulk_out_size) ?
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|
|
+ port->bulk_out_size : count;
|
|
|
+ memcpy(urb->transfer_buffer, buf + sent, bytes);
|
|
|
|
|
|
- usb_serial_debug_data(debug, &port->dev, __func__, bytes, urb->transfer_buffer);
|
|
|
+ usb_serial_debug_data(debug, &port->dev,
|
|
|
+ __func__, bytes, urb->transfer_buffer);
|
|
|
|
|
|
urb->dev = serial->dev;
|
|
|
urb->transfer_buffer_length = bytes;
|
|
|
result = usb_submit_urb(urb, GFP_ATOMIC);
|
|
|
if (result) {
|
|
|
- err("%s - failed submitting write urb, error %d", __func__, result);
|
|
|
+ err("%s - failed submitting write urb, error %d",
|
|
|
+ __func__, result);
|
|
|
sent = result;
|
|
|
spin_lock_irqsave(&info->lock, flags);
|
|
|
list_add(tmp, &info->tx_urbs_free);
|
|
@@ -796,7 +829,6 @@ static int whiteheat_write(struct tty_struct *tty,
|
|
|
return sent;
|
|
|
}
|
|
|
|
|
|
-
|
|
|
static int whiteheat_write_room(struct tty_struct *tty)
|
|
|
{
|
|
|
struct usb_serial_port *port = tty->driver_data;
|
|
@@ -806,7 +838,7 @@ static int whiteheat_write_room(struct tty_struct *tty)
|
|
|
unsigned long flags;
|
|
|
|
|
|
dbg("%s - port %d", __func__, port->number);
|
|
|
-
|
|
|
+
|
|
|
spin_lock_irqsave(&info->lock, flags);
|
|
|
list_for_each(tmp, &info->tx_urbs_free)
|
|
|
room++;
|
|
@@ -817,8 +849,7 @@ static int whiteheat_write_room(struct tty_struct *tty)
|
|
|
return (room);
|
|
|
}
|
|
|
|
|
|
-
|
|
|
-static int whiteheat_tiocmget (struct tty_struct *tty, struct file *file)
|
|
|
+static int whiteheat_tiocmget(struct tty_struct *tty, struct file *file)
|
|
|
{
|
|
|
struct usb_serial_port *port = tty->driver_data;
|
|
|
struct whiteheat_private *info = usb_get_serial_port_data(port);
|
|
@@ -835,8 +866,7 @@ static int whiteheat_tiocmget (struct tty_struct *tty, struct file *file)
|
|
|
return modem_signals;
|
|
|
}
|
|
|
|
|
|
-
|
|
|
-static int whiteheat_tiocmset (struct tty_struct *tty, struct file *file,
|
|
|
+static int whiteheat_tiocmset(struct tty_struct *tty, struct file *file,
|
|
|
unsigned int set, unsigned int clear)
|
|
|
{
|
|
|
struct usb_serial_port *port = tty->driver_data;
|
|
@@ -860,7 +890,8 @@ static int whiteheat_tiocmset (struct tty_struct *tty, struct file *file,
|
|
|
}
|
|
|
|
|
|
|
|
|
-static int whiteheat_ioctl (struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg)
|
|
|
+static int whiteheat_ioctl(struct tty_struct *tty, struct file *file,
|
|
|
+ unsigned int cmd, unsigned long arg)
|
|
|
{
|
|
|
struct usb_serial_port *port = tty->driver_data;
|
|
|
struct serial_struct serstruct;
|
|
@@ -869,50 +900,38 @@ static int whiteheat_ioctl (struct tty_struct *tty, struct file * file, unsigned
|
|
|
dbg("%s - port %d, cmd 0x%.4x", __func__, port->number, cmd);
|
|
|
|
|
|
switch (cmd) {
|
|
|
- case TIOCGSERIAL:
|
|
|
- memset(&serstruct, 0, sizeof(serstruct));
|
|
|
- serstruct.type = PORT_16654;
|
|
|
- serstruct.line = port->serial->minor;
|
|
|
- serstruct.port = port->number;
|
|
|
- serstruct.flags = ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
|
|
|
- serstruct.xmit_fifo_size = port->bulk_out_size;
|
|
|
- serstruct.custom_divisor = 0;
|
|
|
- serstruct.baud_base = 460800;
|
|
|
- serstruct.close_delay = CLOSING_DELAY;
|
|
|
- serstruct.closing_wait = CLOSING_DELAY;
|
|
|
-
|
|
|
- if (copy_to_user(user_arg, &serstruct, sizeof(serstruct)))
|
|
|
- return -EFAULT;
|
|
|
-
|
|
|
- break;
|
|
|
-
|
|
|
- case TIOCSSERIAL:
|
|
|
- if (copy_from_user(&serstruct, user_arg, sizeof(serstruct)))
|
|
|
- return -EFAULT;
|
|
|
-
|
|
|
- /*
|
|
|
- * For now this is ignored. dip sets the ASYNC_[V]HI flags
|
|
|
- * but this isn't used by us at all. Maybe someone somewhere
|
|
|
- * will need the custom_divisor setting.
|
|
|
- */
|
|
|
-
|
|
|
- break;
|
|
|
-
|
|
|
- default:
|
|
|
- break;
|
|
|
+ case TIOCGSERIAL:
|
|
|
+ memset(&serstruct, 0, sizeof(serstruct));
|
|
|
+ serstruct.type = PORT_16654;
|
|
|
+ serstruct.line = port->serial->minor;
|
|
|
+ serstruct.port = port->number;
|
|
|
+ serstruct.flags = ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
|
|
|
+ serstruct.xmit_fifo_size = port->bulk_out_size;
|
|
|
+ serstruct.custom_divisor = 0;
|
|
|
+ serstruct.baud_base = 460800;
|
|
|
+ serstruct.close_delay = CLOSING_DELAY;
|
|
|
+ serstruct.closing_wait = CLOSING_DELAY;
|
|
|
+
|
|
|
+ if (copy_to_user(user_arg, &serstruct, sizeof(serstruct)))
|
|
|
+ return -EFAULT;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ break;
|
|
|
}
|
|
|
|
|
|
return -ENOIOCTLCMD;
|
|
|
}
|
|
|
|
|
|
|
|
|
-static void whiteheat_set_termios(struct tty_struct *tty, struct usb_serial_port *port, struct ktermios *old_termios)
|
|
|
+static void whiteheat_set_termios(struct tty_struct *tty,
|
|
|
+ struct usb_serial_port *port, struct ktermios *old_termios)
|
|
|
{
|
|
|
+ /* FIXME */
|
|
|
firm_setup_port(tty);
|
|
|
}
|
|
|
|
|
|
-
|
|
|
-static void whiteheat_break_ctl(struct tty_struct *tty, int break_state) {
|
|
|
+static void whiteheat_break_ctl(struct tty_struct *tty, int break_state)
|
|
|
+{
|
|
|
struct usb_serial_port *port = tty->driver_data;
|
|
|
firm_set_break(port, break_state);
|
|
|
}
|
|
@@ -936,12 +955,12 @@ static int whiteheat_chars_in_buffer(struct tty_struct *tty)
|
|
|
}
|
|
|
spin_unlock_irqrestore(&info->lock, flags);
|
|
|
|
|
|
- dbg ("%s - returns %d", __func__, chars);
|
|
|
+ dbg("%s - returns %d", __func__, chars);
|
|
|
return chars;
|
|
|
}
|
|
|
|
|
|
|
|
|
-static void whiteheat_throttle (struct tty_struct *tty)
|
|
|
+static void whiteheat_throttle(struct tty_struct *tty)
|
|
|
{
|
|
|
struct usb_serial_port *port = tty->driver_data;
|
|
|
struct whiteheat_private *info = usb_get_serial_port_data(port);
|
|
@@ -957,7 +976,7 @@ static void whiteheat_throttle (struct tty_struct *tty)
|
|
|
}
|
|
|
|
|
|
|
|
|
-static void whiteheat_unthrottle (struct tty_struct *tty)
|
|
|
+static void whiteheat_unthrottle(struct tty_struct *tty)
|
|
|
{
|
|
|
struct usb_serial_port *port = tty->driver_data;
|
|
|
struct whiteheat_private *info = usb_get_serial_port_data(port);
|
|
@@ -1006,7 +1025,7 @@ static void command_port_read_callback(struct urb *urb)
|
|
|
|
|
|
command_info = usb_get_serial_port_data(command_port);
|
|
|
if (!command_info) {
|
|
|
- dbg ("%s - command_info is NULL, exiting.", __func__);
|
|
|
+ dbg("%s - command_info is NULL, exiting.", __func__);
|
|
|
return;
|
|
|
}
|
|
|
if (status) {
|
|
@@ -1017,7 +1036,8 @@ static void command_port_read_callback(struct urb *urb)
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
- usb_serial_debug_data(debug, &command_port->dev, __func__, urb->actual_length, data);
|
|
|
+ usb_serial_debug_data(debug, &command_port->dev,
|
|
|
+ __func__, urb->actual_length, data);
|
|
|
|
|
|
if (data[0] == WHITEHEAT_CMD_COMPLETE) {
|
|
|
command_info->command_finished = WHITEHEAT_CMD_COMPLETE;
|
|
@@ -1026,21 +1046,23 @@ static void command_port_read_callback(struct urb *urb)
|
|
|
command_info->command_finished = WHITEHEAT_CMD_FAILURE;
|
|
|
wake_up(&command_info->wait_command);
|
|
|
} else if (data[0] == WHITEHEAT_EVENT) {
|
|
|
- /* These are unsolicited reports from the firmware, hence no waiting command to wakeup */
|
|
|
+ /* These are unsolicited reports from the firmware, hence no
|
|
|
+ waiting command to wakeup */
|
|
|
dbg("%s - event received", __func__);
|
|
|
} else if (data[0] == WHITEHEAT_GET_DTR_RTS) {
|
|
|
- memcpy(command_info->result_buffer, &data[1], urb->actual_length - 1);
|
|
|
+ memcpy(command_info->result_buffer, &data[1],
|
|
|
+ urb->actual_length - 1);
|
|
|
command_info->command_finished = WHITEHEAT_CMD_COMPLETE;
|
|
|
wake_up(&command_info->wait_command);
|
|
|
- } else {
|
|
|
+ } else
|
|
|
dbg("%s - bad reply from firmware", __func__);
|
|
|
- }
|
|
|
-
|
|
|
+
|
|
|
/* Continue trying to always read */
|
|
|
command_port->read_urb->dev = command_port->serial->dev;
|
|
|
result = usb_submit_urb(command_port->read_urb, GFP_ATOMIC);
|
|
|
if (result)
|
|
|
- dbg("%s - failed resubmitting read urb, error %d", __func__, result);
|
|
|
+ dbg("%s - failed resubmitting read urb, error %d",
|
|
|
+ __func__, result);
|
|
|
}
|
|
|
|
|
|
|
|
@@ -1073,7 +1095,8 @@ static void whiteheat_read_callback(struct urb *urb)
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
- usb_serial_debug_data(debug, &port->dev, __func__, urb->actual_length, data);
|
|
|
+ usb_serial_debug_data(debug, &port->dev,
|
|
|
+ __func__, urb->actual_length, data);
|
|
|
|
|
|
spin_lock(&info->lock);
|
|
|
list_add_tail(&wrap->list, &info->rx_urb_q);
|
|
@@ -1120,7 +1143,8 @@ static void whiteheat_write_callback(struct urb *urb)
|
|
|
/*****************************************************************************
|
|
|
* Connect Tech's White Heat firmware interface
|
|
|
*****************************************************************************/
|
|
|
-static int firm_send_command(struct usb_serial_port *port, __u8 command, __u8 *data, __u8 datasize)
|
|
|
+static int firm_send_command(struct usb_serial_port *port, __u8 command,
|
|
|
+ __u8 *data, __u8 datasize)
|
|
|
{
|
|
|
struct usb_serial_port *command_port;
|
|
|
struct whiteheat_command_private *command_info;
|
|
@@ -1135,13 +1159,13 @@ static int firm_send_command(struct usb_serial_port *port, __u8 command, __u8 *d
|
|
|
command_info = usb_get_serial_port_data(command_port);
|
|
|
mutex_lock(&command_info->mutex);
|
|
|
command_info->command_finished = false;
|
|
|
-
|
|
|
+
|
|
|
transfer_buffer = (__u8 *)command_port->write_urb->transfer_buffer;
|
|
|
transfer_buffer[0] = command;
|
|
|
- memcpy (&transfer_buffer[1], data, datasize);
|
|
|
+ memcpy(&transfer_buffer[1], data, datasize);
|
|
|
command_port->write_urb->transfer_buffer_length = datasize + 1;
|
|
|
command_port->write_urb->dev = port->serial->dev;
|
|
|
- retval = usb_submit_urb (command_port->write_urb, GFP_NOIO);
|
|
|
+ retval = usb_submit_urb(command_port->write_urb, GFP_NOIO);
|
|
|
if (retval) {
|
|
|
dbg("%s - submit urb failed", __func__);
|
|
|
goto exit;
|
|
@@ -1168,36 +1192,41 @@ static int firm_send_command(struct usb_serial_port *port, __u8 command, __u8 *d
|
|
|
if (command_info->command_finished == WHITEHEAT_CMD_COMPLETE) {
|
|
|
dbg("%s - command completed.", __func__);
|
|
|
switch (command) {
|
|
|
- case WHITEHEAT_GET_DTR_RTS:
|
|
|
- info = usb_get_serial_port_data(port);
|
|
|
- memcpy(&info->mcr, command_info->result_buffer, sizeof(struct whiteheat_dr_info));
|
|
|
+ case WHITEHEAT_GET_DTR_RTS:
|
|
|
+ info = usb_get_serial_port_data(port);
|
|
|
+ memcpy(&info->mcr, command_info->result_buffer,
|
|
|
+ sizeof(struct whiteheat_dr_info));
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
-
|
|
|
exit:
|
|
|
mutex_unlock(&command_info->mutex);
|
|
|
return retval;
|
|
|
}
|
|
|
|
|
|
|
|
|
-static int firm_open(struct usb_serial_port *port) {
|
|
|
+static int firm_open(struct usb_serial_port *port)
|
|
|
+{
|
|
|
struct whiteheat_simple open_command;
|
|
|
|
|
|
open_command.port = port->number - port->serial->minor + 1;
|
|
|
- return firm_send_command(port, WHITEHEAT_OPEN, (__u8 *)&open_command, sizeof(open_command));
|
|
|
+ return firm_send_command(port, WHITEHEAT_OPEN,
|
|
|
+ (__u8 *)&open_command, sizeof(open_command));
|
|
|
}
|
|
|
|
|
|
|
|
|
-static int firm_close(struct usb_serial_port *port) {
|
|
|
+static int firm_close(struct usb_serial_port *port)
|
|
|
+{
|
|
|
struct whiteheat_simple close_command;
|
|
|
|
|
|
close_command.port = port->number - port->serial->minor + 1;
|
|
|
- return firm_send_command(port, WHITEHEAT_CLOSE, (__u8 *)&close_command, sizeof(close_command));
|
|
|
+ return firm_send_command(port, WHITEHEAT_CLOSE,
|
|
|
+ (__u8 *)&close_command, sizeof(close_command));
|
|
|
}
|
|
|
|
|
|
|
|
|
-static int firm_setup_port(struct tty_struct *tty) {
|
|
|
+static int firm_setup_port(struct tty_struct *tty)
|
|
|
+{
|
|
|
struct usb_serial_port *port = tty->driver_data;
|
|
|
struct whiteheat_port_settings port_settings;
|
|
|
unsigned int cflag = tty->termios->c_cflag;
|
|
@@ -1206,14 +1235,14 @@ static int firm_setup_port(struct tty_struct *tty) {
|
|
|
|
|
|
/* get the byte size */
|
|
|
switch (cflag & CSIZE) {
|
|
|
- case CS5: port_settings.bits = 5; break;
|
|
|
- case CS6: port_settings.bits = 6; break;
|
|
|
- case CS7: port_settings.bits = 7; break;
|
|
|
- default:
|
|
|
- case CS8: port_settings.bits = 8; break;
|
|
|
+ case CS5: port_settings.bits = 5; break;
|
|
|
+ case CS6: port_settings.bits = 6; break;
|
|
|
+ case CS7: port_settings.bits = 7; break;
|
|
|
+ default:
|
|
|
+ case CS8: port_settings.bits = 8; break;
|
|
|
}
|
|
|
dbg("%s - data bits = %d", __func__, port_settings.bits);
|
|
|
-
|
|
|
+
|
|
|
/* determine the parity */
|
|
|
if (cflag & PARENB)
|
|
|
if (cflag & CMSPAR)
|
|
@@ -1239,7 +1268,8 @@ static int firm_setup_port(struct tty_struct *tty) {
|
|
|
|
|
|
/* figure out the flow control settings */
|
|
|
if (cflag & CRTSCTS)
|
|
|
- port_settings.hflow = (WHITEHEAT_HFLOW_CTS | WHITEHEAT_HFLOW_RTS);
|
|
|
+ port_settings.hflow = (WHITEHEAT_HFLOW_CTS |
|
|
|
+ WHITEHEAT_HFLOW_RTS);
|
|
|
else
|
|
|
port_settings.hflow = WHITEHEAT_HFLOW_NONE;
|
|
|
dbg("%s - hardware flow control = %s %s %s %s", __func__,
|
|
@@ -1247,17 +1277,18 @@ static int firm_setup_port(struct tty_struct *tty) {
|
|
|
(port_settings.hflow & WHITEHEAT_HFLOW_RTS) ? "RTS" : "",
|
|
|
(port_settings.hflow & WHITEHEAT_HFLOW_DSR) ? "DSR" : "",
|
|
|
(port_settings.hflow & WHITEHEAT_HFLOW_DTR) ? "DTR" : "");
|
|
|
-
|
|
|
+
|
|
|
/* determine software flow control */
|
|
|
if (I_IXOFF(tty))
|
|
|
port_settings.sflow = WHITEHEAT_SFLOW_RXTX;
|
|
|
else
|
|
|
port_settings.sflow = WHITEHEAT_SFLOW_NONE;
|
|
|
dbg("%s - software flow control = %c", __func__, port_settings.sflow);
|
|
|
-
|
|
|
+
|
|
|
port_settings.xon = START_CHAR(tty);
|
|
|
port_settings.xoff = STOP_CHAR(tty);
|
|
|
- dbg("%s - XON = %2x, XOFF = %2x", __func__, port_settings.xon, port_settings.xoff);
|
|
|
+ dbg("%s - XON = %2x, XOFF = %2x",
|
|
|
+ __func__, port_settings.xon, port_settings.xoff);
|
|
|
|
|
|
/* get the baud rate wanted */
|
|
|
port_settings.baud = tty_get_baud_rate(tty);
|
|
@@ -1267,61 +1298,74 @@ static int firm_setup_port(struct tty_struct *tty) {
|
|
|
tty_encode_baud_rate(tty, port_settings.baud, port_settings.baud);
|
|
|
/* handle any settings that aren't specified in the tty structure */
|
|
|
port_settings.lloop = 0;
|
|
|
-
|
|
|
+
|
|
|
/* now send the message to the device */
|
|
|
- return firm_send_command(port, WHITEHEAT_SETUP_PORT, (__u8 *)&port_settings, sizeof(port_settings));
|
|
|
+ return firm_send_command(port, WHITEHEAT_SETUP_PORT,
|
|
|
+ (__u8 *)&port_settings, sizeof(port_settings));
|
|
|
}
|
|
|
|
|
|
|
|
|
-static int firm_set_rts(struct usb_serial_port *port, __u8 onoff) {
|
|
|
+static int firm_set_rts(struct usb_serial_port *port, __u8 onoff)
|
|
|
+{
|
|
|
struct whiteheat_set_rdb rts_command;
|
|
|
|
|
|
rts_command.port = port->number - port->serial->minor + 1;
|
|
|
rts_command.state = onoff;
|
|
|
- return firm_send_command(port, WHITEHEAT_SET_RTS, (__u8 *)&rts_command, sizeof(rts_command));
|
|
|
+ return firm_send_command(port, WHITEHEAT_SET_RTS,
|
|
|
+ (__u8 *)&rts_command, sizeof(rts_command));
|
|
|
}
|
|
|
|
|
|
|
|
|
-static int firm_set_dtr(struct usb_serial_port *port, __u8 onoff) {
|
|
|
+static int firm_set_dtr(struct usb_serial_port *port, __u8 onoff)
|
|
|
+{
|
|
|
struct whiteheat_set_rdb dtr_command;
|
|
|
|
|
|
dtr_command.port = port->number - port->serial->minor + 1;
|
|
|
dtr_command.state = onoff;
|
|
|
- return firm_send_command(port, WHITEHEAT_SET_RTS, (__u8 *)&dtr_command, sizeof(dtr_command));
|
|
|
+ return firm_send_command(port, WHITEHEAT_SET_RTS,
|
|
|
+ (__u8 *)&dtr_command, sizeof(dtr_command));
|
|
|
}
|
|
|
|
|
|
|
|
|
-static int firm_set_break(struct usb_serial_port *port, __u8 onoff) {
|
|
|
+static int firm_set_break(struct usb_serial_port *port, __u8 onoff)
|
|
|
+{
|
|
|
struct whiteheat_set_rdb break_command;
|
|
|
|
|
|
break_command.port = port->number - port->serial->minor + 1;
|
|
|
break_command.state = onoff;
|
|
|
- return firm_send_command(port, WHITEHEAT_SET_RTS, (__u8 *)&break_command, sizeof(break_command));
|
|
|
+ return firm_send_command(port, WHITEHEAT_SET_RTS,
|
|
|
+ (__u8 *)&break_command, sizeof(break_command));
|
|
|
}
|
|
|
|
|
|
|
|
|
-static int firm_purge(struct usb_serial_port *port, __u8 rxtx) {
|
|
|
+static int firm_purge(struct usb_serial_port *port, __u8 rxtx)
|
|
|
+{
|
|
|
struct whiteheat_purge purge_command;
|
|
|
|
|
|
purge_command.port = port->number - port->serial->minor + 1;
|
|
|
purge_command.what = rxtx;
|
|
|
- return firm_send_command(port, WHITEHEAT_PURGE, (__u8 *)&purge_command, sizeof(purge_command));
|
|
|
+ return firm_send_command(port, WHITEHEAT_PURGE,
|
|
|
+ (__u8 *)&purge_command, sizeof(purge_command));
|
|
|
}
|
|
|
|
|
|
|
|
|
-static int firm_get_dtr_rts(struct usb_serial_port *port) {
|
|
|
+static int firm_get_dtr_rts(struct usb_serial_port *port)
|
|
|
+{
|
|
|
struct whiteheat_simple get_dr_command;
|
|
|
|
|
|
get_dr_command.port = port->number - port->serial->minor + 1;
|
|
|
- return firm_send_command(port, WHITEHEAT_GET_DTR_RTS, (__u8 *)&get_dr_command, sizeof(get_dr_command));
|
|
|
+ return firm_send_command(port, WHITEHEAT_GET_DTR_RTS,
|
|
|
+ (__u8 *)&get_dr_command, sizeof(get_dr_command));
|
|
|
}
|
|
|
|
|
|
|
|
|
-static int firm_report_tx_done(struct usb_serial_port *port) {
|
|
|
+static int firm_report_tx_done(struct usb_serial_port *port)
|
|
|
+{
|
|
|
struct whiteheat_simple close_command;
|
|
|
|
|
|
close_command.port = port->number - port->serial->minor + 1;
|
|
|
- return firm_send_command(port, WHITEHEAT_REPORT_TX_DONE, (__u8 *)&close_command, sizeof(close_command));
|
|
|
+ return firm_send_command(port, WHITEHEAT_REPORT_TX_DONE,
|
|
|
+ (__u8 *)&close_command, sizeof(close_command));
|
|
|
}
|
|
|
|
|
|
|
|
@@ -1333,7 +1377,7 @@ static int start_command_port(struct usb_serial *serial)
|
|
|
struct usb_serial_port *command_port;
|
|
|
struct whiteheat_command_private *command_info;
|
|
|
int retval = 0;
|
|
|
-
|
|
|
+
|
|
|
command_port = serial->port[COMMAND_PORT];
|
|
|
command_info = usb_get_serial_port_data(command_port);
|
|
|
mutex_lock(&command_info->mutex);
|
|
@@ -1344,7 +1388,8 @@ static int start_command_port(struct usb_serial *serial)
|
|
|
command_port->read_urb->dev = serial->dev;
|
|
|
retval = usb_submit_urb(command_port->read_urb, GFP_KERNEL);
|
|
|
if (retval) {
|
|
|
- err("%s - failed submitting read urb, error %d", __func__, retval);
|
|
|
+ err("%s - failed submitting read urb, error %d",
|
|
|
+ __func__, retval);
|
|
|
goto exit;
|
|
|
}
|
|
|
}
|
|
@@ -1414,7 +1459,8 @@ static int start_port_read(struct usb_serial_port *port)
|
|
|
}
|
|
|
|
|
|
|
|
|
-static struct whiteheat_urb_wrap *urb_to_wrap(struct urb* urb, struct list_head *head)
|
|
|
+static struct whiteheat_urb_wrap *urb_to_wrap(struct urb *urb,
|
|
|
+ struct list_head *head)
|
|
|
{
|
|
|
struct whiteheat_urb_wrap *wrap;
|
|
|
struct list_head *tmp;
|
|
@@ -1463,7 +1509,8 @@ static void rx_data_softint(struct work_struct *work)
|
|
|
urb = wrap->urb;
|
|
|
|
|
|
if (tty && urb->actual_length) {
|
|
|
- int len = tty_buffer_request_room(tty, urb->actual_length);
|
|
|
+ int len = tty_buffer_request_room(tty,
|
|
|
+ urb->actual_length);
|
|
|
/* This stuff can go away now I suspect */
|
|
|
if (unlikely(len < urb->actual_length)) {
|
|
|
spin_lock_irqsave(&info->lock, flags);
|
|
@@ -1480,7 +1527,8 @@ static void rx_data_softint(struct work_struct *work)
|
|
|
urb->dev = port->serial->dev;
|
|
|
result = usb_submit_urb(urb, GFP_ATOMIC);
|
|
|
if (result) {
|
|
|
- err("%s - failed resubmitting read urb, error %d", __func__, result);
|
|
|
+ err("%s - failed resubmitting read urb, error %d",
|
|
|
+ __func__, result);
|
|
|
spin_lock_irqsave(&info->lock, flags);
|
|
|
list_add(tmp, &info->rx_urbs_free);
|
|
|
continue;
|
|
@@ -1499,7 +1547,7 @@ static void rx_data_softint(struct work_struct *work)
|
|
|
/*****************************************************************************
|
|
|
* Connect Tech's White Heat module functions
|
|
|
*****************************************************************************/
|
|
|
-static int __init whiteheat_init (void)
|
|
|
+static int __init whiteheat_init(void)
|
|
|
{
|
|
|
int retval;
|
|
|
retval = usb_serial_register(&whiteheat_fake_device);
|
|
@@ -1522,19 +1570,19 @@ failed_fake_register:
|
|
|
}
|
|
|
|
|
|
|
|
|
-static void __exit whiteheat_exit (void)
|
|
|
+static void __exit whiteheat_exit(void)
|
|
|
{
|
|
|
- usb_deregister (&whiteheat_driver);
|
|
|
- usb_serial_deregister (&whiteheat_fake_device);
|
|
|
- usb_serial_deregister (&whiteheat_device);
|
|
|
+ usb_deregister(&whiteheat_driver);
|
|
|
+ usb_serial_deregister(&whiteheat_fake_device);
|
|
|
+ usb_serial_deregister(&whiteheat_device);
|
|
|
}
|
|
|
|
|
|
|
|
|
module_init(whiteheat_init);
|
|
|
module_exit(whiteheat_exit);
|
|
|
|
|
|
-MODULE_AUTHOR( DRIVER_AUTHOR );
|
|
|
-MODULE_DESCRIPTION( DRIVER_DESC );
|
|
|
+MODULE_AUTHOR(DRIVER_AUTHOR);
|
|
|
+MODULE_DESCRIPTION(DRIVER_DESC);
|
|
|
MODULE_LICENSE("GPL");
|
|
|
|
|
|
MODULE_FIRMWARE("whiteheat.fw");
|