diff options
-rw-r--r-- | drivers/usb/Makefile | 1 | ||||
-rw-r--r-- | drivers/usb/core/message.c | 41 | ||||
-rw-r--r-- | drivers/usb/core/quirks.c | 22 | ||||
-rw-r--r-- | drivers/usb/gadget/config.c | 2 | ||||
-rw-r--r-- | drivers/usb/gadget/epautoconf.c | 2 | ||||
-rw-r--r-- | drivers/usb/gadget/ether.c | 3 | ||||
-rw-r--r-- | drivers/usb/gadget/inode.c | 4 | ||||
-rw-r--r-- | drivers/usb/gadget/m66592-udc.c | 2 | ||||
-rw-r--r-- | drivers/usb/gadget/pxa2xx_udc.c | 30 | ||||
-rw-r--r-- | drivers/usb/gadget/zero.c | 6 | ||||
-rw-r--r-- | drivers/usb/serial/cp2101.c | 69 | ||||
-rw-r--r-- | drivers/usb/serial/digi_acceleport.c | 970 | ||||
-rw-r--r-- | drivers/usb/serial/io_edgeport.c | 19 | ||||
-rw-r--r-- | drivers/usb/serial/mct_u232.c | 54 | ||||
-rw-r--r-- | drivers/usb/serial/mct_u232.h | 2 | ||||
-rw-r--r-- | drivers/usb/serial/sierra.c | 7 | ||||
-rw-r--r-- | drivers/usb/serial/usb-serial.c | 32 | ||||
-rw-r--r-- | drivers/usb/storage/unusual_devs.h | 21 | ||||
-rw-r--r-- | include/linux/usb.h | 2 |
19 files changed, 577 insertions, 712 deletions
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile index befff5f9d58..ac49b15fa76 100644 --- a/drivers/usb/Makefile +++ b/drivers/usb/Makefile @@ -48,6 +48,7 @@ obj-$(CONFIG_USB_SISUSBVGA) += misc/ obj-$(CONFIG_USB_TEST) += misc/ obj-$(CONFIG_USB_TRANCEVIBRATOR)+= misc/ obj-$(CONFIG_USB_USS720) += misc/ +obj-$(CONFIG_USB_IOWARRIOR) += misc/ obj-$(CONFIG_USB_ATM) += atm/ obj-$(CONFIG_USB_SPEEDTOUCH) += atm/ diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 25f63f1096b..b6bd05e3d43 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -18,9 +18,17 @@ #include "hcd.h" /* for usbcore internals */ #include "usb.h" +struct api_context { + struct completion done; + int status; +}; + static void usb_api_blocking_completion(struct urb *urb) { - complete((struct completion *)urb->context); + struct api_context *ctx = urb->context; + + ctx->status = urb->status; + complete(&ctx->done); } @@ -32,20 +40,21 @@ static void usb_api_blocking_completion(struct urb *urb) */ static int usb_start_wait_urb(struct urb *urb, int timeout, int *actual_length) { - struct completion done; + struct api_context ctx; unsigned long expire; int retval; - int status = urb->status; - init_completion(&done); - urb->context = &done; + init_completion(&ctx.done); + urb->context = &ctx; urb->actual_length = 0; retval = usb_submit_urb(urb, GFP_NOIO); if (unlikely(retval)) goto out; expire = timeout ? msecs_to_jiffies(timeout) : MAX_SCHEDULE_TIMEOUT; - if (!wait_for_completion_timeout(&done, expire)) { + if (!wait_for_completion_timeout(&ctx.done, expire)) { + usb_kill_urb(urb); + retval = (ctx.status == -ENOENT ? -ETIMEDOUT : ctx.status); dev_dbg(&urb->dev->dev, "%s timed out on ep%d%s len=%d/%d\n", @@ -54,11 +63,8 @@ static int usb_start_wait_urb(struct urb *urb, int timeout, int *actual_length) usb_pipein(urb->pipe) ? "in" : "out", urb->actual_length, urb->transfer_buffer_length); - - usb_kill_urb(urb); - retval = status == -ENOENT ? -ETIMEDOUT : status; } else - retval = status; + retval = ctx.status; out: if (actual_length) *actual_length = urb->actual_length; @@ -411,15 +417,22 @@ int usb_sg_init ( * Some systems need to revert to PIO when DMA is temporarily * unavailable. For their sakes, both transfer_buffer and * transfer_dma are set when possible. However this can only - * work on systems without HIGHMEM, since DMA buffers located - * in high memory are not directly addressable by the CPU for - * PIO ... so when HIGHMEM is in use, transfer_buffer is NULL + * work on systems without: + * + * - HIGHMEM, since DMA buffers located in high memory are + * not directly addressable by the CPU for PIO; + * + * - IOMMU, since dma_map_sg() is allowed to use an IOMMU to + * make virtually discontiguous buffers be "dma-contiguous" + * so that PIO and DMA need diferent numbers of URBs. + * + * So when HIGHMEM or IOMMU are in use, transfer_buffer is NULL * to prevent stale pointers and to help spot bugs. */ if (dma) { io->urbs [i]->transfer_dma = sg_dma_address (sg + i); len = sg_dma_len (sg + i); -#ifdef CONFIG_HIGHMEM +#if defined(CONFIG_HIGHMEM) || defined(CONFIG_IOMMU) io->urbs[i]->transfer_buffer = NULL; #else io->urbs[i]->transfer_buffer = diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index aa21b38a31c..b7917c5a3c6 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -30,18 +30,40 @@ static const struct usb_device_id usb_quirk_list[] = { /* HP 5300/5370C scanner */ { USB_DEVICE(0x03f0, 0x0701), .driver_info = USB_QUIRK_STRING_FETCH_255 }, + /* Acer Peripherals Inc. (now BenQ Corp.) Prisa 640BU */ + { USB_DEVICE(0x04a5, 0x207e), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, /* Benq S2W 3300U */ { USB_DEVICE(0x04a5, 0x20b0), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, + /* Canon, Inc. CanoScan N1240U/LiDE30 */ + { USB_DEVICE(0x04a9, 0x220e), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, + /* Canon, Inc. CanoScan N650U/N656U */ + { USB_DEVICE(0x04a9, 0x2206), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, + /* Canon, Inc. CanoScan 1220U */ + { USB_DEVICE(0x04a9, 0x2207), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, + /* Canon, Inc. CanoScan N670U/N676U/LiDE 20 */ + { USB_DEVICE(0x04a9, 0x220d), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, + /* old Cannon scanner */ + { USB_DEVICE(0x04a9, 0x2220), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, /* Seiko Epson Corp. Perfection 1200 */ { USB_DEVICE(0x04b8, 0x0104), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, + /* Seiko Epson Corp. Perfection 660 */ + { USB_DEVICE(0x04b8, 0x0114), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, + /* Epson Perfection 1260 Photo */ + { USB_DEVICE(0x04b8, 0x011d), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, /* Seiko Epson Corp - Perfection 1670 */ { USB_DEVICE(0x04b8, 0x011f), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, + /* EPSON Perfection 2480 */ + { USB_DEVICE(0x04b8, 0x0121), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, + /* Seiko Epson Corp.*/ + { USB_DEVICE(0x04b8, 0x0122), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, /* Samsung ML-2510 Series printer */ { USB_DEVICE(0x04e8, 0x327e), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, /* Elsa MicroLink 56k (V.250) */ { USB_DEVICE(0x05cc, 0x2267), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, /* Ultima Electronics Corp.*/ { USB_DEVICE(0x05d8, 0x4005), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, + /* Agfa Snapscan1212u */ + { USB_DEVICE(0x06bd, 0x2061), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, /* Umax [hex] Astra 3400U */ { USB_DEVICE(0x1606, 0x0060), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, diff --git a/drivers/usb/gadget/config.c b/drivers/usb/gadget/config.c index d18901b92cd..c6760aee1e5 100644 --- a/drivers/usb/gadget/config.c +++ b/drivers/usb/gadget/config.c @@ -50,7 +50,7 @@ usb_descriptor_fillbuf(void *buf, unsigned buflen, return -EINVAL; /* fill buffer from src[] until null descriptor ptr */ - for (; 0 != *src; src++) { + for (; NULL != *src; src++) { unsigned len = (*src)->bLength; if (len > buflen) diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c index 6042364402b..3aa46cfa66b 100644 --- a/drivers/usb/gadget/epautoconf.c +++ b/drivers/usb/gadget/epautoconf.c @@ -71,7 +71,7 @@ ep_matches ( u16 max; /* endpoint already claimed? */ - if (0 != ep->driver_data) + if (NULL != ep->driver_data) return 0; /* only support ep0 for portable CONTROL traffic */ diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index a3376739a81..593e23507b1 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -1723,7 +1723,8 @@ rx_submit (struct eth_dev *dev, struct usb_request *req, gfp_t gfp_flags) size += sizeof (struct rndis_packet_msg_type); size -= size % dev->out_ep->maxpacket; - if ((skb = alloc_skb (size + NET_IP_ALIGN, gfp_flags)) == 0) { + skb = alloc_skb(size + NET_IP_ALIGN, gfp_flags); + if (skb == NULL) { DEBUG (dev, "no rx skb\n"); goto enomem; } diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index e60745ffaf8..173004f60fe 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -964,7 +964,7 @@ static int setup_req (struct usb_ep *ep, struct usb_request *req, u16 len) } if (len > sizeof (dev->rbuf)) req->buf = kmalloc(len, GFP_ATOMIC); - if (req->buf == 0) { + if (req->buf == NULL) { req->buf = dev->rbuf; return -ENOMEM; } @@ -1394,7 +1394,7 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) dev->setup_abort = 0; if (dev->state == STATE_DEV_UNCONNECTED) { #ifdef CONFIG_USB_GADGET_DUALSPEED - if (gadget->speed == USB_SPEED_HIGH && dev->hs_config == 0) { + if (gadget->speed == USB_SPEED_HIGH && dev->hs_config == NULL) { spin_unlock(&dev->lock); ERROR (dev, "no high speed config??\n"); return -EINVAL; diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c index 700dda8a915..4b27d12f049 100644 --- a/drivers/usb/gadget/m66592-udc.c +++ b/drivers/usb/gadget/m66592-udc.c @@ -1299,7 +1299,7 @@ static int m66592_queue(struct usb_ep *_ep, struct usb_request *_req, req->req.actual = 0; req->req.status = -EINPROGRESS; - if (ep->desc == 0) /* control */ + if (ep->desc == NULL) /* control */ start_ep0(ep, req); else { if (request && !ep->busy) diff --git a/drivers/usb/gadget/pxa2xx_udc.c b/drivers/usb/gadget/pxa2xx_udc.c index 63b9521c132..72b4ebbf132 100644 --- a/drivers/usb/gadget/pxa2xx_udc.c +++ b/drivers/usb/gadget/pxa2xx_udc.c @@ -93,8 +93,6 @@ static const char driver_name [] = "pxa2xx_udc"; static const char ep0name [] = "ep0"; -// #define DISABLE_TEST_MODE - #ifdef CONFIG_ARCH_IXP4XX /* cpu-specific register addresses are compiled in to this code */ @@ -113,17 +111,6 @@ static const char ep0name [] = "ep0"; #define SIZE_STR "" #endif -#ifdef DISABLE_TEST_MODE -/* (mode == 0) == no undocumented chip tweaks - * (mode & 1) == double buffer bulk IN - * (mode & 2) == double buffer bulk OUT - * ... so mode = 3 (or 7, 15, etc) does it for both - */ -static ushort fifo_mode = 0; -module_param(fifo_mode, ushort, 0); -MODULE_PARM_DESC (fifo_mode, "pxa2xx udc fifo mode"); -#endif - /* --------------------------------------------------------------------------- * endpoint related parts of the api to the usb controller hardware, * used by gadget driver; and the inner talker-to-hardware core. @@ -1252,23 +1239,6 @@ static void udc_enable (struct pxa2xx_udc *dev) UDC_RES2 = 0x00; } -#ifdef DISABLE_TEST_MODE - /* "test mode" seems to have become the default in later chip - * revs, preventing double buffering (and invalidating docs). - * this EXPERIMENT enables it for bulk endpoints by tweaking - * undefined/reserved register bits (that other drivers clear). - * Belcarra code comments noted this usage. - */ - if (fifo_mode & 1) { /* IN endpoints */ - UDC_RES1 |= USIR0_IR1|USIR0_IR6; - UDC_RES2 |= USIR1_IR11; - } - if (fifo_mode & 2) { /* OUT endpoints */ - UDC_RES1 |= USIR0_IR2|USIR0_IR7; - UDC_RES2 |= USIR1_IR12; - } -#endif - /* enable suspend/resume and reset irqs */ udc_clear_mask_UDCCR(UDCCR_SRM | UDCCR_REM); diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c index a2e6e3fc8c8..fcfe869acb9 100644 --- a/drivers/usb/gadget/zero.c +++ b/drivers/usb/gadget/zero.c @@ -653,7 +653,8 @@ set_source_sink_config (struct zero_dev *dev, gfp_t gfp_flags) result = usb_ep_enable (ep, d); if (result == 0) { ep->driver_data = dev; - if (source_sink_start_ep (ep, gfp_flags) != 0) { + if (source_sink_start_ep(ep, gfp_flags) + != NULL) { dev->in_ep = ep; continue; } @@ -667,7 +668,8 @@ set_source_sink_config (struct zero_dev *dev, gfp_t gfp_flags) result = usb_ep_enable (ep, d); if (result == 0) { ep->driver_data = dev; - if (source_sink_start_ep (ep, gfp_flags) != 0) { + if (source_sink_start_ep(ep, gfp_flags) + != NULL) { dev->out_ep = ep; continue; } diff --git a/drivers/usb/serial/cp2101.c b/drivers/usb/serial/cp2101.c index e831cb7f64f..33f6ee50b8d 100644 --- a/drivers/usb/serial/cp2101.c +++ b/drivers/usb/serial/cp2101.c @@ -356,7 +356,7 @@ static void cp2101_get_termios (struct usb_serial_port *port) dbg("%s - port %d", __FUNCTION__, port->number); - if ((!port->tty) || (!port->tty->termios)) { + if (!port->tty || !port->tty->termios) { dbg("%s - no tty structures", __FUNCTION__); return; } @@ -526,50 +526,35 @@ static void cp2101_set_termios (struct usb_serial_port *port, return; } cflag = port->tty->termios->c_cflag; - - /* Check that they really want us to change something */ - if (old_termios) { - if ((cflag == old_termios->c_cflag) && - (RELEVANT_IFLAG(port->tty->termios->c_iflag) - == RELEVANT_IFLAG(old_termios->c_iflag))) { - dbg("%s - nothing to change...", __FUNCTION__); - return; - } - - old_cflag = old_termios->c_cflag; - } + old_cflag = old_termios->c_cflag; + baud = tty_get_baud_rate(port->tty); /* If the baud rate is to be updated*/ - if ((cflag & CBAUD) != (old_cflag & CBAUD)) { - switch (cflag & CBAUD) { - /* - * The baud rates which are commented out below - * appear to be supported by the device - * but are non-standard - */ - case B0: baud = 0; break; - case B600: baud = 600; break; - case B1200: baud = 1200; break; - case B1800: baud = 1800; break; - case B2400: baud = 2400; break; - case B4800: baud = 4800; break; - /*case B7200: baud = 7200; break;*/ - case B9600: baud = 9600; break; - /*ase B14400: baud = 14400; break;*/ - case B19200: baud = 19200; break; - /*case B28800: baud = 28800; break;*/ - case B38400: baud = 38400; break; - /*case B55854: baud = 55054; break;*/ - case B57600: baud = 57600; break; - case B115200: baud = 115200; break; - /*case B127117: baud = 127117; break;*/ - case B230400: baud = 230400; break; - case B460800: baud = 460800; break; - case B921600: baud = 921600; break; - /*case B3686400: baud = 3686400; break;*/ + if (baud != tty_termios_baud_rate(old_termios)) { + switch (baud) { + case 0: + case 600: + case 1200: + case 1800: + case 2400: + case 4800: + case 7200: + case 9600: + case 14400: + case 19200: + case 28800: + case 38400: + case 55854: + case 57600: + case 115200: + case 127117: + case 230400: + case 460800: + case 921600: + case 3686400: + break; default: - dev_err(&port->dev, "cp2101 driver does not " - "support the baudrate requested\n"); + baud = 9600; break; } diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index 976f54ec26e..dab2e66d111 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -433,38 +433,38 @@ struct digi_port { /* Local Function Declarations */ -static void digi_wakeup_write( struct usb_serial_port *port ); +static void digi_wakeup_write(struct usb_serial_port *port); static void digi_wakeup_write_lock(struct work_struct *work); -static int digi_write_oob_command( struct usb_serial_port *port, - unsigned char *buf, int count, int interruptible ); -static int digi_write_inb_command( struct usb_serial_port *port, - unsigned char *buf, int count, unsigned long timeout ); -static int digi_set_modem_signals( struct usb_serial_port *port, - unsigned int modem_signals, int interruptible ); -static int digi_transmit_idle( struct usb_serial_port *port, - unsigned long timeout ); +static int digi_write_oob_command(struct usb_serial_port *port, + unsigned char *buf, int count, int interruptible); +static int digi_write_inb_command(struct usb_serial_port *port, + unsigned char *buf, int count, unsigned long timeout); +static int digi_set_modem_signals(struct usb_serial_port *port, + unsigned int modem_signals, int interruptible); +static int digi_transmit_idle(struct usb_serial_port *port, + unsigned long timeout); static void digi_rx_throttle (struct usb_serial_port *port); static void digi_rx_unthrottle (struct usb_serial_port *port); -static void digi_set_termios( struct usb_serial_port *port, - struct ktermios *old_termios ); -static void digi_break_ctl( struct usb_serial_port *port, int break_state ); -static int digi_ioctl( struct usb_serial_port *port, struct file *file, - unsigned int cmd, unsigned long arg ); -static int digi_tiocmget( struct usb_serial_port *port, struct file *file ); -static int digi_tiocmset( struct usb_serial_port *port, struct file *file, - unsigned int set, unsigned int clear ); -static int digi_write( struct usb_serial_port *port, const unsigned char *buf, int count ); -static void digi_write_bulk_callback( struct urb *urb ); -static int digi_write_room( struct usb_serial_port *port ); -static int digi_chars_in_buffer( struct usb_serial_port *port ); -static int digi_open( struct usb_serial_port *port, struct file *filp ); -static void digi_close( struct usb_serial_port *port, struct file *filp ); -static int digi_startup_device( struct usb_serial *serial ); -static int digi_startup( struct usb_serial *serial ); -static void digi_shutdown( struct usb_serial *serial ); -static void digi_read_bulk_callback( struct urb *urb ); -static int digi_read_inb_callback( struct urb *urb ); -static int digi_read_oob_callback( struct urb *urb ); +static void digi_set_termios(struct usb_serial_port *port, + struct ktermios *old_termios); +static void digi_break_ctl(struct usb_serial_port *port, int break_state); +static int digi_ioctl(struct usb_serial_port *port, struct file *file, + unsigned int cmd, unsigned long arg); +static int digi_tiocmget(struct usb_serial_port *port, struct file *file); +static int digi_tiocmset(struct usb_serial_port *port, struct file *file, + unsigned int set, unsigned int clear); +static int digi_write(struct usb_serial_port *port, const unsigned char *buf, int count); +static void digi_write_bulk_callback(struct urb *urb); +static int digi_write_room(struct usb_serial_port *port); +static int digi_chars_in_buffer(struct usb_serial_port *port); +static int digi_open(struct usb_serial_port *port, struct file *filp); +static void digi_close(struct usb_serial_port *port, struct file *filp); +static int digi_startup_device(struct usb_serial *serial); +static int digi_startup(struct usb_serial *serial); +static void digi_shutdown(struct usb_serial *serial); +static void digi_read_bulk_callback(struct urb *urb); +static int digi_read_inb_callback(struct urb *urb); +static int digi_read_oob_callback(struct urb *urb); /* Statics */ @@ -576,9 +576,9 @@ static struct usb_serial_driver digi_acceleport_4_device = { * with the equivalent code. */ -static inline long cond_wait_interruptible_timeout_irqrestore( +static long cond_wait_interruptible_timeout_irqrestore( wait_queue_head_t *q, long timeout, - spinlock_t *lock, unsigned long flags ) + spinlock_t *lock, unsigned long flags) { DEFINE_WAIT(wait); @@ -600,18 +600,16 @@ static inline long cond_wait_interruptible_timeout_irqrestore( static void digi_wakeup_write_lock(struct work_struct *work) { - struct digi_port *priv = - container_of(work, struct digi_port, dp_wakeup_work); + struct digi_port *priv = container_of(work, struct digi_port, dp_wakeup_work); struct usb_serial_port *port = priv->dp_port; unsigned long flags; - - spin_lock_irqsave( &priv->dp_port_lock, flags ); - digi_wakeup_write( port ); - spin_unlock_irqrestore( &priv->dp_port_lock, flags ); + spin_lock_irqsave(&priv->dp_port_lock, flags); + digi_wakeup_write(port); + spin_unlock_irqrestore(&priv->dp_port_lock, flags); } -static void digi_wakeup_write( struct usb_serial_port *port ) +static void digi_wakeup_write(struct usb_serial_port *port) { tty_wakeup(port->tty); } @@ -628,8 +626,8 @@ static void digi_wakeup_write( struct usb_serial_port *port ) * returned by usb_submit_urb. */ -static int digi_write_oob_command( struct usb_serial_port *port, - unsigned char *buf, int count, int interruptible ) +static int digi_write_oob_command(struct usb_serial_port *port, + unsigned char *buf, int count, int interruptible) { int ret = 0; @@ -638,49 +636,37 @@ static int digi_write_oob_command( struct usb_serial_port *port, struct digi_port *oob_priv = usb_get_serial_port_data(oob_port); unsigned long flags = 0; + dbg("digi_write_oob_command: TOP: port=%d, count=%d", oob_priv->dp_port_num, count); -dbg( "digi_write_oob_command: TOP: port=%d, count=%d", oob_priv->dp_port_num, count ); - - spin_lock_irqsave( &oob_priv->dp_port_lock, flags ); - - while( count > 0 ) { - - while( oob_port->write_urb->status == -EINPROGRESS - || oob_priv->dp_write_urb_in_use ) { + spin_lock_irqsave(&oob_priv->dp_port_lock, flags); + while(count > 0) { + while(oob_port->write_urb->status == -EINPROGRESS + || oob_priv->dp_write_urb_in_use) { cond_wait_interruptible_timeout_irqrestore( &oob_port->write_wait, DIGI_RETRY_TIMEOUT, - &oob_priv->dp_port_lock, flags ); - if( interruptible && signal_pending(current) ) { - return( -EINTR ); - } - spin_lock_irqsave( &oob_priv->dp_port_lock, flags ); + &oob_priv->dp_port_lock, flags); + if (interruptible && signal_pending(current)) + return -EINTR; + spin_lock_irqsave(&oob_priv->dp_port_lock, flags); } /* len must be a multiple of 4, so commands are not split */ - len = min(count, oob_port->bulk_out_size ); - if( len > 4 ) + len = min(count, oob_port->bulk_out_size); + if (len > 4) len &= ~3; - - memcpy( oob_port->write_urb->transfer_buffer, buf, len ); + memcpy(oob_port->write_urb->transfer_buffer, buf, len); oob_port->write_urb->transfer_buffer_length = len; oob_port->write_urb->dev = port->serial->dev; - - if( (ret=usb_submit_urb(oob_port->write_urb, GFP_ATOMIC)) == 0 ) { + if ((ret = usb_submit_urb(oob_port->write_urb, GFP_ATOMIC)) == 0) { oob_priv->dp_write_urb_in_use = 1; count -= len; buf += len; } - - } - - spin_unlock_irqrestore( &oob_priv->dp_port_lock, flags ); - - if( ret ) { - err("%s: usb_submit_urb failed, ret=%d", __FUNCTION__, - ret ); } - - return( ret ); + spin_unlock_irqrestore(&oob_priv->dp_port_lock, flags); + if (ret) + err("%s: usb_submit_urb failed, ret=%d", __FUNCTION__, ret); + return ret; } @@ -697,63 +683,58 @@ dbg( "digi_write_oob_command: TOP: port=%d, count=%d", oob_priv->dp_port_num, co * error returned by digi_write. */ -static int digi_write_inb_command( struct usb_serial_port *port, - unsigned char *buf, int count, unsigned long timeout ) +static int digi_write_inb_command(struct usb_serial_port *port, + unsigned char *buf, int count, unsigned long timeout) { - int ret = 0; int len; struct digi_port *priv = usb_get_serial_port_data(port); unsigned char *data = port->write_urb->transfer_buffer; unsigned long flags = 0; + dbg("digi_write_inb_command: TOP: port=%d, count=%d", + priv->dp_port_num, count); -dbg( "digi_write_inb_command: TOP: port=%d, count=%d", priv->dp_port_num, -count ); - - if( timeout ) + if (timeout) timeout += jiffies; else timeout = ULONG_MAX; - spin_lock_irqsave( &priv->dp_port_lock, flags ); - - while( count > 0 && ret == 0 ) { - - while( (port->write_urb->status == -EINPROGRESS - || priv->dp_write_urb_in_use) && time_before(jiffies, timeout)) { + spin_lock_irqsave(&priv->dp_port_lock, flags); + while(count > 0 && ret == 0) { + while((port->write_urb->status == -EINPROGRESS + || priv->dp_write_urb_in_use) && time_before(jiffies, timeout)) { cond_wait_interruptible_timeout_irqrestore( &port->write_wait, DIGI_RETRY_TIMEOUT, - &priv->dp_port_lock, flags ); - if( signal_pending(current) ) { - return( -EINTR ); - } - spin_lock_irqsave( &priv->dp_port_lock, flags ); + &priv->dp_port_lock, flags); + if (signal_pending(current)) + return -EINTR; + spin_lock_irqsave(&priv->dp_port_lock, flags); } /* len must be a multiple of 4 and small enough to */ /* guarantee the write will send buffered data first, */ /* so commands are in order with data and not split */ - len = min(count, port->bulk_out_size-2-priv->dp_out_buf_len ); - if( len > 4 ) + len = min(count, port->bulk_out_size-2-priv->dp_out_buf_len); + if (len > 4) len &= ~3; /* write any buffered data first */ - if( priv->dp_out_buf_len > 0 ) { + if (priv->dp_out_buf_len > 0) { data[0] = DIGI_CMD_SEND_DATA; data[1] = priv->dp_out_buf_len; - memcpy( data+2, priv->dp_out_buf, - priv->dp_out_buf_len ); - memcpy( data+2+priv->dp_out_buf_len, buf, len ); + memcpy(data + 2, priv->dp_out_buf, + priv->dp_out_buf_len); + memcpy(data + 2 + priv->dp_out_buf_len, buf, len); port->write_urb->transfer_buffer_length - = priv->dp_out_buf_len+2+len; + = priv->dp_out_buf_len + 2 + len; } else { - memcpy( data, buf, len ); + memcpy(data, buf, len); port->write_urb->transfer_buffer_length = len; } port->write_urb->dev = port->serial->dev; - if( (ret=usb_submit_urb(port->write_urb, GFP_ATOMIC)) == 0 ) { + if ((ret = usb_submit_urb(port->write_urb, GFP_ATOMIC)) == 0) { priv->dp_write_urb_in_use = 1; priv->dp_out_buf_len = 0; count -= len; @@ -761,16 +742,12 @@ count ); } } + spin_unlock_irqrestore(&priv->dp_port_lock, flags); - spin_unlock_irqrestore( &priv->dp_port_lock, flags ); - - if( ret ) { - err("%s: usb_submit_urb failed, ret=%d, port=%d", __FUNCTION__, - ret, priv->dp_port_num ); - } - - return( ret ); - + if (ret) + err("%s: usb_submit_urb failed, ret=%d, port=%d", + __FUNCTION__, ret, priv->dp_port_num); + return ret; } @@ -784,8 +761,8 @@ count ); * returned by usb_submit_urb. */ -static int digi_set_modem_signals( struct usb_serial_port *port, - unsigned int modem_signals, int interruptible ) +static int digi_set_modem_signals(struct usb_serial_port *port, + unsigned int modem_signals, int interruptible) { int ret; @@ -796,60 +773,47 @@ static int digi_set_modem_signals( struct usb_serial_port *port, unsigned long flags = 0; -dbg( "digi_set_modem_signals: TOP: port=%d, modem_signals=0x%x", -port_priv->dp_port_num, modem_signals ); + dbg("digi_set_modem_signals: TOP: port=%d, modem_signals=0x%x", + port_priv->dp_port_num, modem_signals); - spin_lock_irqsave( &oob_priv->dp_port_lock, flags ); - spin_lock( &port_priv->dp_port_lock ); + spin_lock_irqsave(&oob_priv->dp_port_lock, flags); + spin_lock(&port_priv->dp_port_lock); - while( oob_port->write_urb->status == -EINPROGRESS - || oob_priv->dp_write_urb_in_use ) { - spin_unlock( &port_priv->dp_port_lock ); + while(oob_port->write_urb->status == -EINPROGRESS || oob_priv->dp_write_urb_in_use) { + spin_unlock(&port_priv->dp_port_lock); cond_wait_interruptible_timeout_irqrestore( &oob_port->write_wait, DIGI_RETRY_TIMEOUT, - &oob_priv->dp_port_lock, flags ); - if( interruptible && signal_pending(current) ) { - return( -EINTR ); - } - spin_lock_irqsave( &oob_priv->dp_port_lock, flags ); - spin_lock( &port_priv->dp_port_lock ); + &oob_priv->dp_port_lock, flags); + if (interruptible && signal_pending(current)) + return -EINTR; + spin_lock_irqsave(&oob_priv->dp_port_lock, flags); + spin_lock(&port_priv->dp_port_lock); } - data[0] = DIGI_CMD_SET_DTR_SIGNAL; data[1] = port_priv->dp_port_num; - data[2] = (modem_signals&TIOCM_DTR) ? - DIGI_DTR_ACTIVE : DIGI_DTR_INACTIVE; + data[2] = (modem_signals&TIOCM_DTR) ? DIGI_DTR_ACTIVE : DIGI_DTR_INACTIVE; data[3] = 0; - data[4] = DIGI_CMD_SET_RTS_SIGNAL; data[5] = port_priv->dp_port_num; - data[6] = (modem_signals&TIOCM_RTS) ? - DIGI_RTS_ACTIVE : DIGI_RTS_INACTIVE; + data[6] = (modem_signals&TIOCM_RTS) ? DIGI_RTS_ACTIVE : DIGI_RTS_INACTIVE; data[7] = 0; oob_port->write_urb->transfer_buffer_length = 8; oob_port->write_urb->dev = port->serial->dev; - if( (ret=usb_submit_urb(oob_port->write_urb, GFP_ATOMIC)) == 0 ) { + if ((ret = usb_submit_urb(oob_port->write_urb, GFP_ATOMIC)) == 0) { oob_priv->dp_write_urb_in_use = 1; port_priv->dp_modem_signals = (port_priv->dp_modem_signals&~(TIOCM_DTR|TIOCM_RTS)) | (modem_signals&(TIOCM_DTR|TIOCM_RTS)); } - - spin_unlock( &port_priv->dp_port_lock ); - spin_unlock_irqrestore( &oob_priv->dp_port_lock, flags ); - - if( ret ) { - err("%s: usb_submit_urb failed, ret=%d", __FUNCTION__, - ret ); - } - - return( ret ); - + spin_unlock(&port_priv->dp_port_lock); + spin_unlock_irqrestore(&oob_priv->dp_port_lock, flags); + if (ret) + err("%s: usb_submit_urb failed, ret=%d", __FUNCTION__, ret); + return ret; } - /* * Digi Transmit Idle * @@ -862,203 +826,182 @@ port_priv->dp_port_num, modem_signals ); * port at a time, so its ok. */ -static int digi_transmit_idle( struct usb_serial_port *port, - unsigned long timeout ) +static int digi_transmit_idle(struct usb_serial_port *port, + unsigned long timeout) { - int ret; unsigned char buf[2]; struct digi_port *priv = usb_get_serial_port_data(port); unsigned long flags = 0; - - spin_lock_irqsave( &priv->dp_port_lock, flags ); + spin_lock_irqsave(&priv->dp_port_lock, flags); priv->dp_transmit_idle = 0; - spin_unlock_irqrestore( &priv->dp_port_lock, flags ); + spin_unlock_irqrestore(&priv->dp_port_lock, flags); buf[0] = DIGI_CMD_TRANSMIT_IDLE; buf[1] = 0; timeout += jiffies; - if( (ret=digi_write_inb_command( port, buf, 2, timeout-jiffies )) != 0 ) - return( ret ); + if ((ret = digi_write_inb_command(port, buf, 2, timeout - jiffies)) != 0) + return ret; - spin_lock_irqsave( &priv->dp_port_lock, flags ); + spin_lock_irqsave(&priv->dp_port_lock, flags); - while( time_before(jiffies, timeout) && !priv->dp_transmit_idle ) { + while(time_before(jiffies, timeout) && !priv->dp_transmit_idle) { cond_wait_interruptible_timeout_irqrestore( &priv->dp_transmit_idle_wait, DIGI_RETRY_TIMEOUT, - &priv->dp_port_lock, flags ); - if( signal_pending(current) ) { - return( -EINTR ); - } - spin_lock_irqsave( &priv->dp_port_lock, flags ); + &priv->dp_port_lock, flags); + if (signal_pending(current)) + return -EINTR; + spin_lock_irqsave(&priv->dp_port_lock, flags); } - priv->dp_transmit_idle = 0; - spin_unlock_irqrestore( &priv->dp_port_lock, flags ); - - return( 0 ); + spin_unlock_irqrestore(&priv->dp_port_lock, flags); + return 0; } -static void digi_rx_throttle( struct usb_serial_port *port ) +static void digi_rx_throttle(struct usb_serial_port *port) { - unsigned long flags; struct digi_port *priv = usb_get_serial_port_data(port); -dbg( "digi_rx_throttle: TOP: port=%d", priv->dp_port_num ); + dbg("digi_rx_throttle: TOP: port=%d", priv->dp_port_num); /* stop receiving characters by not resubmitting the read urb */ - spin_lock_irqsave( &priv->dp_port_lock, flags ); + spin_lock_irqsave(&priv->dp_port_lock, flags); priv->dp_throttled = 1; priv->dp_throttle_restart = 0; - spin_unlock_irqrestore( &priv->dp_port_lock, flags ); - + spin_unlock_irqrestore(&priv->dp_port_lock, flags); } -static void digi_rx_unthrottle( struct usb_serial_port *port ) +static void digi_rx_unthrottle(struct usb_serial_port *port) { - int ret = 0; unsigned long flags; struct digi_port *priv = usb_get_serial_port_data(port); -dbg( "digi_rx_unthrottle: TOP: port=%d", priv->dp_port_num ); + dbg("digi_rx_unthrottle: TOP: port=%d", priv->dp_port_num); - spin_lock_irqsave( &priv->dp_port_lock, flags ); + spin_lock_irqsave(&priv->dp_port_lock, flags); /* turn throttle off */ priv->dp_throttled = 0; priv->dp_throttle_restart = 0; /* restart read chain */ - if( priv->dp_throttle_restart ) { + if (priv->dp_throttle_restart) { port->read_urb->dev = port->serial->dev; - ret = usb_submit_urb( port->read_urb, GFP_ATOMIC ); + ret = usb_submit_urb(port->read_urb, GFP_ATOMIC); } - spin_unlock_irqrestore( &priv->dp_port_lock, flags ); - - if( ret ) { - err("%s: usb_submit_urb failed, ret=%d, port=%d", __FUNCTION__, - ret, priv->dp_port_num ); - } + spin_unlock_irqrestore(&priv->dp_port_lock, flags); + if (ret) + err("%s: usb_submit_urb failed, ret=%d, port=%d", + __FUNCTION__, ret, priv->dp_port_num); } -static void digi_set_termios( struct usb_serial_port *port, - struct ktermios *old_termios ) +static void digi_set_termios(struct usb_serial_port *port, + struct ktermios *old_termios) { struct digi_port *priv = usb_get_serial_port_data(port); - unsigned int iflag = port->tty->termios->c_iflag; - unsigned int cflag = port->tty->termios->c_cflag; + struct tty_struct *tty = port->tty; + unsigned int iflag = tty->termios->c_iflag; + unsigned int cflag = tty->termios->c_cflag; unsigned int old_iflag = old_termios->c_iflag; unsigned int old_cflag = old_termios->c_cflag; unsigned char buf[32]; unsigned int modem_signals; int arg,ret; int i = 0; + speed_t baud; - -dbg( "digi_set_termios: TOP: port=%d, iflag=0x%x, old_iflag=0x%x, cflag=0x%x, old_cflag=0x%x", priv->dp_port_num, iflag, old_iflag, cflag, old_cflag ); + dbg("digi_set_termios: TOP: port=%d, iflag=0x%x, old_iflag=0x%x, cflag=0x%x, old_cflag=0x%x", priv->dp_port_num, iflag, old_iflag, cflag, old_cflag); /* set baud rate */ - if( (cflag&CBAUD) != (old_cflag&CBAUD) ) { - + if ((baud = tty_get_baud_rate(tty)) != tty_termios_baud_rate(old_termios)) { arg = -1; /* reassert DTR and (maybe) RTS on transition from B0 */ - if( (old_cflag&CBAUD) == B0 ) { + if ((old_cflag&CBAUD) == B0) { /* don't set RTS if using hardware flow control */ /* and throttling input */ modem_signals = TIOCM_DTR; - if( !(port->tty->termios->c_cflag & CRTSCTS) || - !test_bit(TTY_THROTTLED, &port->tty->flags) ) { + if (!(tty->termios->c_cflag & CRTSCTS) || + !test_bit(TTY_THROTTLED, &tty->flags)) modem_signals |= TIOCM_RTS; - } - digi_set_modem_signals( port, modem_signals, 1 ); + digi_set_modem_signals(port, modem_signals, 1); } - - switch( (cflag&CBAUD) ) { + switch (baud) { /* drop DTR and RTS on transition to B0 */ - case B0: digi_set_modem_signals( port, 0, 1 ); break; - case B50: arg = DIGI_BAUD_50; break; - case B75: arg = DIGI_BAUD_75; break; - case B110: arg = DIGI_BAUD_110; break; - case B150: arg = DIGI_BAUD_150; break; - case B200: arg = DIGI_BAUD_200; break; - case B300: arg = DIGI_BAUD_300; break; - case B600: arg = DIGI_BAUD_600; break; - case B1200: arg = DIGI_BAUD_1200; break; - case B1800: arg = DIGI_BAUD_1800; break; - case B2400: arg = DIGI_BAUD_2400; break; - case B4800: arg = DIGI_BAUD_4800; break; - case B9600: arg = DIGI_BAUD_9600; break; - case B19200: arg = DIGI_BAUD_19200; break; - case B38400: arg = DIGI_BAUD_38400; break; - case B57600: arg = DIGI_BAUD_57600; break; - case B115200: arg = DIGI_BAUD_115200; break; - case B230400: arg = DIGI_BAUD_230400; break; - case B460800: arg = DIGI_BAUD_460800; break; - default: - dbg( "digi_set_termios: can't handle baud rate 0x%x", - (cflag&CBAUD) ); - break; + case 0: digi_set_modem_signals(port, 0, 1); break; + case 50: arg = DIGI_BAUD_50; break; + case 75: arg = DIGI_BAUD_75; break; + case 110: arg = DIGI_BAUD_110; break; + case 150: arg = DIGI_BAUD_150; break; + case 200: arg = DIGI_BAUD_200; break; + case 300: arg = DIGI_BAUD_300; break; + case 600: arg = DIGI_BAUD_600; break; + case 1200: arg = DIGI_BAUD_1200; break; + case 1800: arg = DIGI_BAUD_1800; break; + case 2400: arg = DIGI_BAUD_2400; break; + case 4800: arg = DIGI_BAUD_4800; break; + case 9600: arg = DIGI_BAUD_9600; break; + case 19200: arg = DIGI_BAUD_19200; break; + case 38400: arg = DIGI_BAUD_38400; break; + case 57600: arg = DIGI_BAUD_57600; break; + case 115200: arg = DIGI_BAUD_115200; break; + case 230400: arg = DIGI_BAUD_230400; break; + case 460800: arg = DIGI_BAUD_460800; break; + default: + arg = DIGI_BAUD_9600; + baud = 9600; + break; } - - if( arg != -1 ) { + if (arg != -1) { buf[i++] = DIGI_CMD_SET_BAUD_RATE; buf[i++] = priv->dp_port_num; buf[i++] = arg; buf[i++] = 0; } - } - /* set parity */ - if( (cflag&(PARENB|PARODD)) != (old_cflag&(PARENB|PARODD)) ) { - - if( (cflag&PARENB) ) { - if( (cflag&PARODD) ) + if ((cflag&(PARENB|PARODD)) != (old_cflag&(PARENB|PARODD))) { + if (cflag&PARENB) { + if (cflag&PARODD) arg = DIGI_PARITY_ODD; else arg = DIGI_PARITY_EVEN; } else { arg = DIGI_PARITY_NONE; } - buf[i++] = DIGI_CMD_SET_PARITY; buf[i++] = priv->dp_port_num; buf[i++] = arg; buf[i++] = 0; - } - /* set word size */ - if( (cflag&CSIZE) != (old_cflag&CSIZE) ) { - + if ((cflag&CSIZE) != (old_cflag&CSIZE)) { arg = -1; - - switch( (cflag&CSIZE) ) { + switch (cflag&CSIZE) { case CS5: arg = DIGI_WORD_SIZE_5; break; case CS6: arg = DIGI_WORD_SIZE_6; break; case CS7: arg = DIGI_WORD_SIZE_7; break; case CS8: arg = DIGI_WORD_SIZE_8; break; default: - dbg( "digi_set_termios: can't handle word size %d", - (cflag&CSIZE) ); + dbg("digi_set_termios: can't handle word size %d", + (cflag&CSIZE)); break; } - if( arg != -1 ) { + if (arg != -1) { buf[i++] = DIGI_CMD_SET_WORD_SIZE; buf[i++] = priv->dp_port_num; buf[i++] = arg; @@ -1068,9 +1011,9 @@ dbg( "digi_set_termios: TOP: port=%d, iflag=0x%x, old_iflag=0x%x, cflag=0x%x, ol } /* set stop bits */ - if( (cflag&CSTOPB) != (old_cflag&CSTOPB) ) { + if ((cflag&CSTOPB) != (old_cflag&CSTOPB)) { - if( (cflag&CSTOPB) ) + if ((cflag&CSTOPB)) arg = DIGI_STOP_BITS_2; else arg = DIGI_STOP_BITS_1; @@ -1083,18 +1026,15 @@ dbg( "digi_set_termios: TOP: port=%d, iflag=0x%x, old_iflag=0x%x, cflag=0x%x, ol } /* set input flow control */ - if( (iflag&IXOFF) != (old_iflag&IXOFF) - || (cflag&CRTSCTS) != (old_cflag&CRTSCTS) ) { - + if ((iflag&IXOFF) != (old_iflag&IXOFF) + || (cflag&CRTSCTS) != (old_cflag&CRTSCTS)) { arg = 0; - - if( (iflag&IXOFF) ) + if (iflag&IXOFF) arg |= DIGI_INPUT_FLOW_CONTROL_XON_XOFF; else arg &= ~DIGI_INPUT_FLOW_CONTROL_XON_XOFF; - if( (cflag&CRTSCTS) ) { - + if (cflag&CRTSCTS) { arg |= DIGI_INPUT_FLOW_CONTROL_RTS; /* On USB-4 it is necessary to assert RTS prior */ @@ -1107,43 +1047,37 @@ dbg( "digi_set_termios: TOP: port=%d, iflag=0x%x, old_iflag=0x%x, cflag=0x%x, ol } else { arg &= ~DIGI_INPUT_FLOW_CONTROL_RTS; } - buf[i++] = DIGI_CMD_SET_INPUT_FLOW_CONTROL; buf[i++] = priv->dp_port_num; buf[i++] = arg; buf[i++] = 0; - } /* set output flow control */ - if( (iflag&IXON) != (old_iflag&IXON) - || (cflag&CRTSCTS) != (old_cflag&CRTSCTS) ) { - + if ((iflag&IXON) != (old_iflag&IXON) + || (cflag&CRTSCTS) != (old_cflag&CRTSCTS)) { arg = 0; - - if( (iflag&IXON) ) + if (iflag&IXON) arg |= DIGI_OUTPUT_FLOW_CONTROL_XON_XOFF; else arg &= ~DIGI_OUTPUT_FLOW_CONTROL_XON_XOFF; - if( (cflag&CRTSCTS) ) { + if (cflag&CRTSCTS) { arg |= DIGI_OUTPUT_FLOW_CONTROL_CTS; } else { arg &= ~DIGI_OUTPUT_FLOW_CONTROL_CTS; - port->tty->hw_stopped = 0; + tty->hw_stopped = 0; } buf[i++] = DIGI_CMD_SET_OUTPUT_FLOW_CONTROL; buf[i++] = priv->dp_port_num; buf[i++] = arg; buf[i++] = 0; - } /* set receive enable/disable */ - if( (cflag&CREAD) != (old_cflag&CREAD) ) { - - if( (cflag&CREAD) ) + if ((cflag&CREAD) != (old_cflag&CREAD)) { + if (cflag&CREAD) arg = DIGI_ENABLE; else arg = DIGI_DISABLE; @@ -1152,32 +1086,26 @@ dbg( "digi_set_termios: TOP: port=%d, iflag=0x%x, old_iflag=0x%x, cflag=0x%x, ol buf[i++] = priv->dp_port_num; buf[i++] = arg; buf[i++] = 0; - } - - if( (ret=digi_write_oob_command( port, buf, i, 1 )) != 0 ) - dbg( "digi_set_termios: write oob failed, ret=%d", ret ); + if ((ret = digi_write_oob_command(port, buf, i, 1)) != 0) + dbg("digi_set_termios: write oob failed, ret=%d", ret); } -static void digi_break_ctl( struct usb_serial_port *port, int break_state ) +static void digi_break_ctl(struct usb_serial_port *port, int break_state) { - unsigned char buf[4]; - buf[0] = DIGI_CMD_BREAK_CONTROL; buf[1] = 2; /* length */ buf[2] = break_state ? 1 : 0; buf[3] = 0; /* pad */ - - digi_write_inb_command( port, buf, 4, 0 ); - + digi_write_inb_command(port, buf, 4, 0); } -static int digi_tiocmget( struct usb_serial_port *port, struct file *file ) +static int digi_tiocmget(struct usb_serial_port *port, struct file *file) { struct digi_port *priv = usb_get_serial_port_data(port); unsigned int val; @@ -1185,15 +1113,15 @@ static int digi_tiocmget( struct usb_serial_port *port, struct file *file ) dbg("%s: TOP: port=%d", __FUNCTION__, priv->dp_port_num); - spin_lock_irqsave( &priv->dp_port_lock, flags ); + spin_lock_irqsave(&priv->dp_port_lock, flags); val = priv->dp_modem_signals; - spin_unlock_irqrestore( &priv->dp_port_lock, flags ); + spin_unlock_irqrestore(&priv->dp_port_lock, flags); return val; } -static int digi_tiocmset( struct usb_serial_port *port, struct file *file, - unsigned int set, unsigned int clear ) +static int digi_tiocmset(struct usb_serial_port *port, struct file *file, + unsigned int set, unsigned int clear) { struct digi_port *priv = usb_get_serial_port_data(port); unsigned int val; @@ -1201,41 +1129,34 @@ static int digi_tiocmset( struct usb_serial_port *port, struct file *file, dbg("%s: TOP: port=%d", __FUNCTION__, priv->dp_port_num); - spin_lock_irqsave( &priv->dp_port_lock, flags ); + spin_lock_irqsave(&priv->dp_port_lock, flags); val = (priv->dp_modem_signals & ~clear) | set; - spin_unlock_irqrestore( &priv->dp_port_lock, flags ); - return digi_set_modem_signals( port, val, 1 ); + spin_unlock_irqrestore(&priv->dp_port_lock, flags); + return digi_set_modem_signals(port, val, 1); } -static int digi_ioctl( struct usb_serial_port *port, struct file *file, - unsigned int cmd, unsigned long arg ) +static int digi_ioctl(struct usb_serial_port *port, struct file *file, + unsigned int cmd, unsigned long arg) { - struct digi_port *priv = usb_get_serial_port_data(port); - -dbg( "digi_ioctl: TOP: port=%d, cmd=0x%x", priv->dp_port_num, cmd ); + dbg("digi_ioctl: TOP: port=%d, cmd=0x%x", priv->dp_port_num, cmd); switch (cmd) { - case TIOCMIWAIT: /* wait for any of the 4 modem inputs (DCD,RI,DSR,CTS)*/ /* TODO */ - return( 0 ); - + return 0; case TIOCGICOUNT: /* return count of modemline transitions */ /* TODO */ return 0; - } - - return( -ENOIOCTLCMD ); + return -ENOIOCTLCMD; } - -static int digi_write( struct usb_serial_port *port, const unsigned char *buf, int count ) +static int digi_write(struct usb_serial_port *port, const unsigned char *buf, int count) { int ret,data_len,new_len; @@ -1243,35 +1164,29 @@ static int digi_write( struct usb_serial_port *port, const unsigned char *buf, i unsigned char *data = port->write_urb->transfer_buffer; unsigned long flags = 0; - -dbg( "digi_write: TOP: port=%d, count=%d, in_interrupt=%ld", -priv->dp_port_num, count, in_interrupt() ); + dbg("digi_write: TOP: port=%d, count=%d, in_interrupt=%ld", + priv->dp_port_num, count, in_interrupt()); /* copy user data (which can sleep) before getting spin lock */ - count = min( count, port->bulk_out_size-2 ); - count = min( 64, count); + count = min(count, port->bulk_out_size-2); + count = min(64, count); /* be sure only one write proceeds at a time */ /* there are races on the port private buffer */ /* and races to check write_urb->status */ - spin_lock_irqsave( &priv->dp_port_lock, flags ); + spin_lock_irqsave(&priv->dp_port_lock, flags); /* wait for urb status clear to submit another urb */ - if( port->write_urb->status == -EINPROGRESS - || priv->dp_write_urb_in_use ) { - + if (port->write_urb->status == -EINPROGRESS || priv->dp_write_urb_in_use) { /* buffer data if count is 1 (probably put_char) if possible */ - if( count == 1 && priv->dp_out_buf_len < DIGI_OUT_BUF_SIZE ) { + if (count == 1 && priv->dp_out_buf_len < DIGI_OUT_BUF_SIZE) { priv->dp_out_buf[priv->dp_out_buf_len++] = *buf; new_len = 1; } else { new_len = 0; } - - spin_unlock_irqrestore( &priv->dp_port_lock, flags ); - - return( new_len ); - + spin_unlock_irqrestore(&priv->dp_port_lock, flags); + return new_len; } /* allow space for any buffered data and for new data, up to */ @@ -1279,9 +1194,9 @@ priv->dp_port_num, count, in_interrupt() ); new_len = min(count, port->bulk_out_size-2-priv->dp_out_buf_len); data_len = new_len + priv->dp_out_buf_len; - if( data_len == 0 ) { - spin_unlock_irqrestore( &priv->dp_port_lock, flags ); - return( 0 ); + if (data_len == 0) { + spin_unlock_irqrestore(&priv->dp_port_lock, flags); + return 0; } port->write_urb->transfer_buffer_length = data_len+2; @@ -1291,32 +1206,29 @@ priv->dp_port_num, count, in_interrupt() ); *data++ = data_len; /* copy in buffered data first */ - memcpy( data, priv->dp_out_buf, priv->dp_out_buf_len ); + memcpy(data, priv->dp_out_buf, priv->dp_out_buf_len); data += priv->dp_out_buf_len; /* copy in new data */ - memcpy( data, buf, new_len ); + memcpy(data, buf, new_len); - if( (ret=usb_submit_urb(port->write_urb, GFP_ATOMIC)) == 0 ) { + if ((ret = usb_submit_urb(port->write_urb, GFP_ATOMIC)) == 0) { priv->dp_write_urb_in_use = 1; ret = new_len; priv->dp_out_buf_len = 0; } /* return length of new data written, or error */ - spin_unlock_irqrestore( &priv->dp_port_lock, flags ); - if( ret < 0 ) { - err("%s: usb_submit_urb failed, ret=%d, port=%d", __FUNCTION__, - ret, priv->dp_port_num ); - } - -dbg( "digi_write: returning %d", ret ); - return( ret ); + spin_unlock_irqrestore(&priv->dp_port_lock, flags); + if (ret < 0) + err("%s: usb_submit_urb failed, ret=%d, port=%d", + __FUNCTION__, ret, priv->dp_port_num); + dbg("digi_write: returning %d", ret); + return ret; } - -static void digi_write_bulk_callback( struct urb *urb ) +static void digi_write_bulk_callback(struct urb *urb) { struct usb_serial_port *port = (struct usb_serial_port *)urb->context; @@ -1326,153 +1238,136 @@ static void digi_write_bulk_callback( struct urb *urb ) int ret = 0; int status = urb->status; - - dbg("digi_write_bulk_callback: TOP, urb status=%d", status); + dbg("digi_write_bulk_callback: TOP, urb->status=%d", status); /* port and serial sanity check */ - if( port == NULL || (priv=usb_get_serial_port_data(port)) == NULL ) { + if (port == NULL || (priv=usb_get_serial_port_data(port)) == NULL) { err("%s: port or port->private is NULL, status=%d", __FUNCTION__, status); return; } serial = port->serial; - if( serial == NULL || (serial_priv=usb_get_serial_data(serial)) == NULL ) { + if (serial == NULL || (serial_priv=usb_get_serial_data(serial)) == NULL) { err("%s: serial or serial->private is NULL, status=%d", __FUNCTION__, status); return; } /* handle oob callback */ - if( priv->dp_port_num == serial_priv->ds_oob_port_num ) { - dbg( "digi_write_bulk_callback: oob callback" ); - spin_lock( &priv->dp_port_lock ); + if (priv->dp_port_num == serial_priv->ds_oob_port_num) { + dbg("digi_write_bulk_callback: oob callback"); + spin_lock(&priv->dp_port_lock); priv->dp_write_urb_in_use = 0; - wake_up_interruptible( &port->write_wait ); - spin_unlock( &priv->dp_port_lock ); + wake_up_interruptible(&port->write_wait); + spin_unlock(&priv->dp_port_lock); return; } /* try to send any buffered data on this port, if it is open */ - spin_lock( &priv->dp_port_lock ); + spin_lock(&priv->dp_port_lock); priv->dp_write_urb_in_use = 0; - if( port->open_count && port->write_urb->status != -EINPROGRESS - && priv->dp_out_buf_len > 0 ) { - + if (port->open_count && port->write_urb->status != -EINPROGRESS + && priv->dp_out_buf_len > 0) { *((unsigned char *)(port->write_urb->transfer_buffer)) = (unsigned char)DIGI_CMD_SEND_DATA; *((unsigned char *)(port->write_urb->transfer_buffer)+1) = (unsigned char)priv->dp_out_buf_len; - - port->write_urb->transfer_buffer_length - = priv->dp_out_buf_len+2; + port->write_urb->transfer_buffer_length = priv->dp_out_buf_len+2; port->write_urb->dev = serial->dev; - - memcpy( port->write_urb->transfer_buffer+2, priv->dp_out_buf, - priv->dp_out_buf_len ); - - if( (ret=usb_submit_urb(port->write_urb, GFP_ATOMIC)) == 0 ) { + memcpy(port->write_urb->transfer_buffer+2, priv->dp_out_buf, + priv->dp_out_buf_len); + if ((ret = usb_submit_urb(port->write_urb, GFP_ATOMIC)) == 0) { priv->dp_write_urb_in_use = 1; priv->dp_out_buf_len = 0; } - } - /* wake up processes sleeping on writes immediately */ - digi_wakeup_write( port ); - + digi_wakeup_write(port); /* also queue up a wakeup at scheduler time, in case we */ /* lost the race in write_chan(). */ schedule_work(&priv->dp_wakeup_work); - spin_unlock( &priv->dp_port_lock ); - - if( ret ) { - err("%s: usb_submit_urb failed, ret=%d, port=%d", __FUNCTION__, - ret, priv->dp_port_num ); - } - + spin_unlock(&priv->dp_port_lock); + if (ret) + err("%s: usb_submit_urb failed, ret=%d, port=%d", + __FUNCTION__, ret, priv->dp_port_num); } - -static int digi_write_room( struct usb_serial_port *port ) +static int digi_write_room(struct usb_serial_port *port) { int room; struct digi_port *priv = usb_get_serial_port_data(port); unsigned long flags = 0; + spin_lock_irqsave(&priv->dp_port_lock, flags); - spin_lock_irqsave( &priv->dp_port_lock, flags ); - - if( port->write_urb->status == -EINPROGRESS - || priv->dp_write_urb_in_use ) + if (port->write_urb->status == -EINPROGRESS || priv->dp_write_urb_in_use) room = 0; else room = port->bulk_out_size - 2 - priv->dp_out_buf_len; - spin_unlock_irqrestore( &priv->dp_port_lock, flags ); - -dbg( "digi_write_room: port=%d, room=%d", priv->dp_port_num, room ); - return( room ); + spin_unlock_irqrestore(&priv->dp_port_lock, flags); + dbg("digi_write_room: port=%d, room=%d", priv->dp_port_num, room); + return room; } - -static int digi_chars_in_buffer( struct usb_serial_port *port ) +static int digi_chars_in_buffer(struct usb_serial_port *port) { struct digi_port *priv = usb_get_serial_port_data(port); - if( port->write_urb->status == -EINPROGRESS - || priv->dp_write_urb_in_use ) { -dbg( "digi_chars_in_buffer: port=%d, chars=%d", priv->dp_port_num, port->bulk_out_size - 2 ); - /* return( port->bulk_out_size - 2 ); */ - return( 256 ); + if (port->write_urb->status == -EINPROGRESS + || priv->dp_write_urb_in_use) { + dbg("digi_chars_in_buffer: port=%d, chars=%d", + priv->dp_port_num, port->bulk_out_size - 2); + /* return(port->bulk_out_size - 2); */ + return 256; } else { -dbg( "digi_chars_in_buffer: port=%d, chars=%d", priv->dp_port_num, priv->dp_out_buf_len ); - return( priv->dp_out_buf_len ); + dbg("digi_chars_in_buffer: port=%d, chars=%d", + priv->dp_port_num, priv->dp_out_buf_len); + return priv->dp_out_buf_len; } } -static int digi_open( struct usb_serial_port *port, struct file *filp ) +static int digi_open(struct usb_serial_port *port, struct file *filp) { - int ret; unsigned char buf[32]; struct digi_port *priv = usb_get_serial_port_data(port); struct ktermios not_termios; unsigned long flags = 0; - -dbg( "digi_open: TOP: port=%d, open_count=%d", priv->dp_port_num, port->open_count ); + dbg("digi_open: TOP: port=%d, open_count=%d", + priv->dp_port_num, port->open_count); /* be sure the device is started up */ - if( digi_startup_device( port->serial ) != 0 ) - return( -ENXIO ); + if (digi_startup_device(port->serial) != 0) + return -ENXIO; - spin_lock_irqsave( &priv->dp_port_lock, flags ); + spin_lock_irqsave(&priv->dp_port_lock, flags); /* don't wait on a close in progress for non-blocking opens */ - if( priv->dp_in_close && (filp->f_flags&(O_NDELAY|O_NONBLOCK)) == 0 ) { - spin_unlock_irqrestore( &priv->dp_port_lock, flags ); - return( -EAGAIN ); + if (priv->dp_in_close && (filp->f_flags&(O_NDELAY|O_NONBLOCK)) == 0) { + spin_unlock_irqrestore(&priv->dp_port_lock, flags); + return -EAGAIN; } /* wait for a close in progress to finish */ - while( priv->dp_in_close ) { + while(priv->dp_in_close) { cond_wait_interruptible_timeout_irqrestore( &priv->dp_close_wait, DIGI_RETRY_TIMEOUT, - &priv->dp_port_lock, flags ); - if( signal_pending(current) ) { - return( -EINTR ); - } - spin_lock_irqsave( &priv->dp_port_lock, flags ); + &priv->dp_port_lock, flags); + if (signal_pending(current)) + return -EINTR; + spin_lock_irqsave(&priv->dp_port_lock, flags); } - spin_unlock_irqrestore( &priv->dp_port_lock, flags ); + spin_unlock_irqrestore(&priv->dp_port_lock, flags); /* read modem signals automatically whenever they change */ buf[0] = DIGI_CMD_READ_INPUT_SIGNALS; @@ -1486,23 +1381,22 @@ dbg( "digi_open: TOP: port=%d, open_count=%d", priv->dp_port_num, port->open_cou buf[6] = DIGI_FLUSH_TX | DIGI_FLUSH_RX; buf[7] = 0; - if( (ret=digi_write_oob_command( port, buf, 8, 1 )) != 0 ) - dbg( "digi_open: write oob failed, ret=%d", ret ); + if ((ret = digi_write_oob_command(port, buf, 8, 1)) != 0) + dbg("digi_open: write oob failed, ret=%d", ret); /* set termios settings */ not_termios.c_cflag = ~port->tty->termios->c_cflag; not_termios.c_iflag = ~port->tty->termios->c_iflag; - digi_set_termios( port, ¬_termios ); + digi_set_termios(port, ¬_termios); /* set DTR and RTS */ - digi_set_modem_signals( port, TIOCM_DTR|TIOCM_RTS, 1 ); - - return( 0 ); + digi_set_modem_signals(port, TIOCM_DTR|TIOCM_RTS, 1); + return 0; } -static void digi_close( struct usb_serial_port *port, struct file *filp ) +static void digi_close(struct usb_serial_port *port, struct file *filp) { DEFINE_WAIT(wait); int ret; @@ -1511,40 +1405,37 @@ static void digi_close( struct usb_serial_port *port, struct file *filp ) struct digi_port *priv = usb_get_serial_port_data(port); unsigned long flags = 0; - -dbg( "digi_close: TOP: port=%d, open_count=%d", priv->dp_port_num, port->open_count ); - + dbg("digi_close: TOP: port=%d, open_count=%d", + priv->dp_port_num, port->open_count); /* if disconnected, just clear flags */ if (!usb_get_intfdata(port->serial->interface)) goto exit; /* do cleanup only after final close on this port */ - spin_lock_irqsave( &priv->dp_port_lock, flags ); + spin_lock_irqsave(&priv->dp_port_lock, flags); priv->dp_in_close = 1; - spin_unlock_irqrestore( &priv->dp_port_lock, flags ); + spin_unlock_irqrestore(&priv->dp_port_lock, flags); /* tell line discipline to process only XON/XOFF */ tty->closing = 1; /* wait for output to drain */ - if( (filp->f_flags&(O_NDELAY|O_NONBLOCK)) == 0 ) { - tty_wait_until_sent( tty, DIGI_CLOSE_TIMEOUT ); - } + if ((filp->f_flags&(O_NDELAY|O_NONBLOCK)) == 0) + tty_wait_until_sent(tty, DIGI_CLOSE_TIMEOUT); /* flush driver and line discipline buffers */ - if( tty->driver->flush_buffer ) - tty->driver->flush_buffer( tty ); + if (tty->driver->flush_buffer) + tty->driver->flush_buffer(tty); tty_ldisc_flush(tty); if (port->serial->dev) { /* wait for transmit idle */ - if( (filp->f_flags&(O_NDELAY|O_NONBLOCK)) == 0 ) { - digi_transmit_idle( port, DIGI_CLOSE_TIMEOUT ); + if ((filp->f_flags&(O_NDELAY|O_NONBLOCK)) == 0) { + digi_transmit_idle(port, DIGI_CLOSE_TIMEOUT); } - /* drop DTR and RTS */ - digi_set_modem_signals( port, 0, 0 ); + digi_set_modem_signals(port, 0, 0); /* disable input flow control */ buf[0] = DIGI_CMD_SET_INPUT_FLOW_CONTROL; @@ -1576,8 +1467,8 @@ dbg( "digi_close: TOP: port=%d, open_count=%d", priv->dp_port_num, port->open_co buf[18] = DIGI_FLUSH_TX | DIGI_FLUSH_RX; buf[19] = 0; - if( (ret=digi_write_oob_command( port, buf, 20, 0 )) != 0 ) - dbg( "digi_close: write oob failed, ret=%d", ret ); + if ((ret = digi_write_oob_command(port, buf, 20, 0)) != 0) + dbg("digi_close: write oob failed, ret=%d", ret); /* wait for final commands on oob port to complete */ prepare_to_wait(&priv->dp_flush_wait, &wait, TASK_INTERRUPTIBLE); @@ -1587,17 +1478,14 @@ dbg( "digi_close: TOP: port=%d, open_count=%d", priv->dp_port_num, port->open_co /* shutdown any outstanding bulk writes */ usb_kill_urb(port->write_urb); } - tty->closing = 0; - exit: - spin_lock_irqsave( &priv->dp_port_lock, flags ); + spin_lock_irqsave(&priv->dp_port_lock, flags); priv->dp_write_urb_in_use = 0; priv->dp_in_close = 0; - wake_up_interruptible( &priv->dp_close_wait ); - spin_unlock_irqrestore( &priv->dp_port_lock, flags ); - -dbg( "digi_close: done" ); + wake_up_interruptible(&priv->dp_close_wait); + spin_unlock_irqrestore(&priv->dp_port_lock, flags); + dbg("digi_close: done"); } @@ -1608,155 +1496,136 @@ dbg( "digi_close: done" ); * urbs initialized. Returns 0 if successful, non-zero error otherwise. */ -static int digi_startup_device( struct usb_serial *serial ) +static int digi_startup_device(struct usb_serial *serial) { - int i,ret = 0; struct digi_serial *serial_priv = usb_get_serial_data(serial); struct usb_serial_port *port; - /* be sure this happens exactly once */ - spin_lock( &serial_priv->ds_serial_lock ); - if( serial_priv->ds_device_started ) { - spin_unlock( &serial_priv->ds_serial_lock ); - return( 0 ); + spin_lock(&serial_priv->ds_serial_lock); + if (serial_priv->ds_device_started) { + spin_unlock(&serial_priv->ds_serial_lock); + return 0; } serial_priv->ds_device_started = 1; - spin_unlock( &serial_priv->ds_serial_lock ); + spin_unlock(&serial_priv->ds_serial_lock); /* start reading from each bulk in endpoint for the device */ /* set USB_DISABLE_SPD flag for write bulk urbs */ - for( i=0; i<serial->type->num_ports+1; i++ ) { - + for (i = 0; i < serial->type->num_ports + 1; i++) { port = serial->port[i]; - port->write_urb->dev = port->serial->dev; - - if( (ret=usb_submit_urb(port->read_urb, GFP_KERNEL)) != 0 ) { - err("%s: usb_submit_urb failed, ret=%d, port=%d", __FUNCTION__, - ret, i ); + if ((ret = usb_submit_urb(port->read_urb, GFP_KERNEL)) != 0) { + err("%s: usb_submit_urb failed, ret=%d, port=%d", + __FUNCTION__, ret, i); break; } - } - - return( ret ); - + return ret; } -static int digi_startup( struct usb_serial *serial ) +static int digi_startup(struct usb_serial *serial) { int i; struct digi_port *priv; struct digi_serial *serial_priv; - -dbg( "digi_startup: TOP" ); + dbg("digi_startup: TOP"); /* allocate the private data structures for all ports */ /* number of regular ports + 1 for the out-of-band port */ - for( i=0; i<serial->type->num_ports+1; i++ ) { - + for(i = 0; i < serial->type->num_ports + 1; i++) { /* allocate port private structure */ - priv = kmalloc( sizeof(struct digi_port), - GFP_KERNEL ); - if( priv == (struct digi_port *)0 ) { - while( --i >= 0 ) - kfree( usb_get_serial_port_data(serial->port[i]) ); - return( 1 ); /* error */ + priv = kmalloc(sizeof(struct digi_port), GFP_KERNEL); + if (priv == NULL) { + while (--i >= 0) + kfree(usb_get_serial_port_data(serial->port[i])); + return 1; /* error */ } /* initialize port private structure */ - spin_lock_init( &priv->dp_port_lock ); + spin_lock_init(&priv->dp_port_lock); priv->dp_port_num = i; priv->dp_out_buf_len = 0; priv->dp_write_urb_in_use = 0; priv->dp_modem_signals = 0; - init_waitqueue_head( &priv->dp_modem_change_wait ); + init_waitqueue_head(&priv->dp_modem_change_wait); priv->dp_transmit_idle = 0; - init_waitqueue_head( &priv->dp_transmit_idle_wait ); + init_waitqueue_head(&priv->dp_transmit_idle_wait); priv->dp_throttled = 0; priv->dp_throttle_restart = 0; - init_waitqueue_head( &priv->dp_flush_wait ); + init_waitqueue_head(&priv->dp_flush_wait); priv->dp_in_close = 0; - init_waitqueue_head( &priv->dp_close_wait ); + init_waitqueue_head(&priv->dp_close_wait); INIT_WORK(&priv->dp_wakeup_work, digi_wakeup_write_lock); priv->dp_port = serial->port[i]; - /* initialize write wait queue for this port */ - init_waitqueue_head( &serial->port[i]->write_wait ); + init_waitqueue_head(&serial->port[i]->write_wait); usb_set_serial_port_data(serial->port[i], priv); } /* allocate serial private structure */ - serial_priv = kmalloc( sizeof(struct digi_serial), - GFP_KERNEL ); - if( serial_priv == (struct digi_serial *)0 ) { - for( i=0; i<serial->type->num_ports+1; i++ ) - kfree( usb_get_serial_port_data(serial->port[i]) ); - return( 1 ); /* error */ + serial_priv = kmalloc(sizeof(struct digi_serial), GFP_KERNEL); + if (serial_priv == NULL) { + for (i = 0; i < serial->type->num_ports + 1; i++) + kfree(usb_get_serial_port_data(serial->port[i])); + return 1; /* error */ } /* initialize serial private structure */ - spin_lock_init( &serial_priv->ds_serial_lock ); + spin_lock_init(&serial_priv->ds_serial_lock); serial_priv->ds_oob_port_num = serial->type->num_ports; serial_priv->ds_oob_port = serial->port[serial_priv->ds_oob_port_num]; serial_priv->ds_device_started = 0; usb_set_serial_data(serial, serial_priv); - return( 0 ); - + return 0; } -static void digi_shutdown( struct usb_serial *serial ) +static void digi_shutdown(struct usb_serial *serial) { - int i; - - -dbg( "digi_shutdown: TOP, in_interrupt()=%ld", in_interrupt() ); + dbg("digi_shutdown: TOP, in_interrupt()=%ld", in_interrupt()); /* stop reads and writes on all ports */ - for( i=0; i<serial->type->num_ports+1; i++ ) { + for (i = 0; i < serial->type->num_ports + 1; i++) { usb_kill_urb(serial->port[i]->read_urb); usb_kill_urb(serial->port[i]->write_urb); } /* free the private data structures for all ports */ /* number of regular ports + 1 for the out-of-band port */ - for( i=0; i<serial->type->num_ports+1; i++ ) - kfree( usb_get_serial_port_data(serial->port[i]) ); - kfree( usb_get_serial_data(serial) ); + for(i = 0; i < serial->type->num_ports + 1; i++) + kfree(usb_get_serial_port_data(serial->port[i])); + kfree(usb_get_serial_data(serial)); } -static void digi_read_bulk_callback( struct urb *urb ) +static void digi_read_bulk_callback(struct urb *urb) { - struct usb_serial_port *port = (struct usb_serial_port *)urb->context; struct digi_port *priv; struct digi_serial *serial_priv; int ret; int status = urb->status; - -dbg( "digi_read_bulk_callback: TOP" ); + dbg("digi_read_bulk_callback: TOP"); /* port sanity check, do not resubmit if port is not valid */ - if( port == NULL || (priv=usb_get_serial_port_data(port)) == NULL ) { + if (port == NULL || (priv = usb_get_serial_port_data(port)) == NULL) { err("%s: port or port->private is NULL, status=%d", __FUNCTION__, status); return; } - if( port->serial == NULL - || (serial_priv=usb_get_serial_data(port->serial)) == NULL ) { + if (port->serial == NULL || + (serial_priv=usb_get_serial_data(port->serial)) == NULL) { err("%s: serial is bad or serial->private is NULL, status=%d", - __FUNCTION__, status); + __FUNCTION__, status); return; } @@ -1768,24 +1637,23 @@ dbg( "digi_read_bulk_callback: TOP" ); } /* handle oob or inb callback, do not resubmit if error */ - if( priv->dp_port_num == serial_priv->ds_oob_port_num ) { - if( digi_read_oob_callback( urb ) != 0 ) + if (priv->dp_port_num == serial_priv->ds_oob_port_num) { + if (digi_read_oob_callback(urb) != 0) return; } else { - if( digi_read_inb_callback( urb ) != 0 ) + if (digi_read_inb_callback(urb) != 0) return; } /* continue read */ urb->dev = port->serial->dev; - if( (ret=usb_submit_urb(urb, GFP_ATOMIC)) != 0 ) { - err("%s: failed resubmitting urb, ret=%d, port=%d", __FUNCTION__, - ret, priv->dp_port_num ); + if ((ret = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { + err("%s: failed resubmitting urb, ret=%d, port=%d", + __FUNCTION__, ret, priv->dp_port_num); } } - /* * Digi Read INB Callback * @@ -1796,7 +1664,7 @@ dbg( "digi_read_bulk_callback: TOP" ); * throttled, and -1 if the sanity checks failed. */ -static int digi_read_inb_callback( struct urb *urb ) +static int digi_read_inb_callback(struct urb *urb) { struct usb_serial_port *port = (struct usb_serial_port *)urb->context; @@ -1812,72 +1680,67 @@ static int digi_read_inb_callback( struct urb *urb ) /* do not process callbacks on closed ports */ /* but do continue the read chain */ - if( port->open_count == 0 ) - return( 0 ); + if (port->open_count == 0) + return 0; /* short/multiple packet check */ - if( urb->actual_length != len + 2 ) { - err("%s: INCOMPLETE OR MULTIPLE PACKET, urb status=%d, " + if (urb->actual_length != len + 2) { + err("%s: INCOMPLETE OR MULTIPLE PACKET, urb->status=%d, " "port=%d, opcode=%d, len=%d, actual_length=%d, " - "port_status=%d", __FUNCTION__, status, priv->dp_port_num, + "status=%d", __FUNCTION__, status, priv->dp_port_num, opcode, len, urb->actual_length, port_status); - return( -1 ); + return -1; } - spin_lock( &priv->dp_port_lock ); + spin_lock(&priv->dp_port_lock); /* check for throttle; if set, do not resubmit read urb */ /* indicate the read chain needs to be restarted on unthrottle */ throttled = priv->dp_throttled; - if( throttled ) + if (throttled) priv->dp_throttle_restart = 1; /* receive data */ - if( opcode == DIGI_CMD_RECEIVE_DATA ) { - + if (opcode == DIGI_CMD_RECEIVE_DATA) { /* get flag from port_status */ flag = 0; /* overrun is special, not associated with a char */ - if (port_status & DIGI_OVERRUN_ERROR) { - tty_insert_flip_char( tty, 0, TTY_OVERRUN ); - } + if (port_status & DIGI_OVERRUN_ERROR) + tty_insert_flip_char(tty, 0, TTY_OVERRUN); /* break takes precedence over parity, */ /* which takes precedence over framing errors */ - if (port_status & DIGI_BREAK_ERROR) { + if (port_status & DIGI_BREAK_ERROR) flag = TTY_BREAK; - } else if (port_status & DIGI_PARITY_ERROR) { + else if (port_status & DIGI_PARITY_ERROR) flag = TTY_PARITY; - } else if (port_status & DIGI_FRAMING_ERROR) { + else if (port_status & DIGI_FRAMING_ERROR) flag = TTY_FRAME; - } /* data length is len-1 (one byte of len is port_status) */ --len; len = tty_buffer_request_room(tty, len); - if( len > 0 ) { + if (len > 0) { /* Hot path */ - if(flag == TTY_NORMAL) + if (flag == TTY_NORMAL) tty_insert_flip_string(tty, data, len); else { for(i = 0; i < len; i++) tty_insert_flip_char(tty, data[i], flag); } - tty_flip_buffer_push( tty ); + tty_flip_buffer_push(tty); } } + spin_unlock(&priv->dp_port_lock); - spin_unlock( &priv->dp_port_lock ); - - if( opcode == DIGI_CMD_RECEIVE_DISABLE ) { - dbg("%s: got RECEIVE_DISABLE", __FUNCTION__ ); - } else if( opcode != DIGI_CMD_RECEIVE_DATA ) { - dbg("%s: unknown opcode: %d", __FUNCTION__, opcode ); - } + if (opcode == DIGI_CMD_RECEIVE_DISABLE) + dbg("%s: got RECEIVE_DISABLE", __FUNCTION__); + else if (opcode != DIGI_CMD_RECEIVE_DATA) + dbg("%s: unknown opcode: %d", __FUNCTION__, opcode); - return( throttled ? 1 : 0 ); + return(throttled ? 1 : 0); } @@ -1891,7 +1754,7 @@ static int digi_read_inb_callback( struct urb *urb ) * -1 if the sanity checks failed. */ -static int digi_read_oob_callback( struct urb *urb ) +static int digi_read_oob_callback(struct urb *urb) { struct usb_serial_port *port = (struct usb_serial_port *)urb->context; @@ -1900,87 +1763,75 @@ static int digi_read_oob_callback( struct urb *urb ) int opcode, line, status, val; int i; - -dbg( "digi_read_oob_callback: port=%d, len=%d", priv->dp_port_num, -urb->actual_length ); + dbg("digi_read_oob_callback: port=%d, len=%d", + priv->dp_port_num, urb->actual_length); /* handle each oob command */ - for( i=0; i<urb->actual_length-3; ) { - + for(i = 0; i < urb->actual_length - 3;) { opcode = ((unsigned char *)urb->transfer_buffer)[i++]; line = ((unsigned char *)urb->transfer_buffer)[i++]; status = ((unsigned char *)urb->transfer_buffer)[i++]; val = ((unsigned char *)urb->transfer_buffer)[i++]; -dbg( "digi_read_oob_callback: opcode=%d, line=%d, status=%d, val=%d", -opcode, line, status, val ); + dbg("digi_read_oob_callback: opcode=%d, line=%d, status=%d, val=%d", + opcode, line, status, val); - if( status != 0 || line >= serial->type->num_ports ) + if (status != 0 || line >= serial->type->num_ports) continue; port = serial->port[line]; - if ((priv=usb_get_serial_port_data(port)) == NULL ) + if ((priv=usb_get_serial_port_data(port)) == NULL) return -1; - if( opcode == DIGI_CMD_READ_INPUT_SIGNALS ) { - - spin_lock( &priv->dp_port_lock ); - + if (opcode == DIGI_CMD_READ_INPUT_SIGNALS) { + spin_lock(&priv->dp_port_lock); /* convert from digi flags to termiox flags */ - if( val & DIGI_READ_INPUT_SIGNALS_CTS ) { + if (val & DIGI_READ_INPUT_SIGNALS_CTS) { priv->dp_modem_signals |= TIOCM_CTS; /* port must be open to use tty struct */ - if( port->open_count - && port->tty->termios->c_cflag & CRTSCTS ) { + if (port->open_count + && port->tty->termios->c_cflag & CRTSCTS) { port->tty->hw_stopped = 0; - digi_wakeup_write( port ); + digi_wakeup_write(port); } } else { priv->dp_modem_signals &= ~TIOCM_CTS; /* port must be open to use tty struct */ - if( port->open_count - && port->tty->termios->c_cflag & CRTSCTS ) { + if (port->open_count + && port->tty->termios->c_cflag & CRTSCTS) { port->tty->hw_stopped = 1; } } - if( val & DIGI_READ_INPUT_SIGNALS_DSR ) + if (val & DIGI_READ_INPUT_SIGNALS_DSR) priv->dp_modem_signals |= TIOCM_DSR; else priv->dp_modem_signals &= ~TIOCM_DSR; - if( val & DIGI_READ_INPUT_SIGNALS_RI ) + if (val & DIGI_READ_INPUT_SIGNALS_RI) priv->dp_modem_signals |= TIOCM_RI; else priv->dp_modem_signals &= ~TIOCM_RI; - if( val & DIGI_READ_INPUT_SIGNALS_DCD ) + if (val & DIGI_READ_INPUT_SIGNALS_DCD) priv->dp_modem_signals |= TIOCM_CD; else priv->dp_modem_signals &= ~TIOCM_CD; - wake_up_interruptible( &priv->dp_modem_change_wait ); - spin_unlock( &priv->dp_port_lock ); - - } else if( opcode == DIGI_CMD_TRANSMIT_IDLE ) { - - spin_lock( &priv->dp_port_lock ); + wake_up_interruptible(&priv->dp_modem_change_wait); + spin_unlock(&priv->dp_port_lock); + } else if (opcode == DIGI_CMD_TRANSMIT_IDLE) { + spin_lock(&priv->dp_port_lock); priv->dp_transmit_idle = 1; - wake_up_interruptible( &priv->dp_transmit_idle_wait ); - spin_unlock( &priv->dp_port_lock ); - - } else if( opcode == DIGI_CMD_IFLUSH_FIFO ) { - - wake_up_interruptible( &priv->dp_flush_wait ); - + wake_up_interruptible(&priv->dp_transmit_idle_wait); + spin_unlock(&priv->dp_port_lock); + } else if (opcode == DIGI_CMD_IFLUSH_FIFO) { + wake_up_interruptible(&priv->dp_flush_wait); } - } - - return( 0 ); + return 0; } - -static int __init digi_init (void) +static int __init digi_init(void) { int retval; retval = usb_serial_register(&digi_acceleport_2_device); @@ -2002,12 +1853,11 @@ failed_acceleport_2_device: return retval; } - static void __exit digi_exit (void) { - usb_deregister (&digi_driver); - usb_serial_deregister (&digi_acceleport_2_device); - usb_serial_deregister (&digi_acceleport_4_device); + usb_deregister(&digi_driver); + usb_serial_deregister(&digi_acceleport_2_device); + usb_serial_deregister(&digi_acceleport_4_device); } @@ -2015,8 +1865,8 @@ module_init(digi_init); module_exit(digi_exit); -MODULE_AUTHOR( DRIVER_AUTHOR ); -MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); module_param(debug, bool, S_IRUGO | S_IWUSR); diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index dd42f57089f..2ecb1d2a034 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -2366,9 +2366,8 @@ static int send_cmd_write_baud_rate (struct edgeport_port *edge_port, int baudRa int status; unsigned char number = edge_port->port->number - edge_port->port->serial->minor; - if ((!edge_serial->is_epic) || - ((edge_serial->is_epic) && - (!edge_serial->epic_descriptor.Supports.IOSPSetBaudRate))) { + if (edge_serial->is_epic && + !edge_serial->epic_descriptor.Supports.IOSPSetBaudRate) { dbg("SendCmdWriteBaudRate - NOT Setting baud rate for port = %d, baud = %d", edge_port->port->number, baudRate); return 0; @@ -2461,18 +2460,16 @@ static int send_cmd_write_uart_register (struct edgeport_port *edge_port, __u8 r dbg("%s - write to %s register 0x%02x", (regNum == MCR) ? "MCR" : "LCR", __FUNCTION__, regValue); - if ((!edge_serial->is_epic) || - ((edge_serial->is_epic) && - (!edge_serial->epic_descriptor.Supports.IOSPWriteMCR) && - (regNum == MCR))) { + if (edge_serial->is_epic && + !edge_serial->epic_descriptor.Supports.IOSPWriteMCR && + regNum == MCR) { dbg("SendCmdWriteUartReg - Not writing to MCR Register"); return 0; } - if ((!edge_serial->is_epic) || - ((edge_serial->is_epic) && - (!edge_serial->epic_descriptor.Supports.IOSPWriteLCR) && - (regNum == LCR))) { + if (edge_serial->is_epic && + !edge_serial->epic_descriptor.Supports.IOSPWriteLCR && + regNum == LCR) { dbg ("SendCmdWriteUartReg - Not writing to LCR Register"); return 0; } diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c index 2a3fabcf518..e08c9bb403d 100644 --- a/drivers/usb/serial/mct_u232.c +++ b/drivers/usb/serial/mct_u232.c @@ -184,21 +184,21 @@ struct mct_u232_private { * we do not know how to support. We ignore them for the moment. * XXX Rate-limit the error message, it's user triggerable. */ -static int mct_u232_calculate_baud_rate(struct usb_serial *serial, int value) +static int mct_u232_calculate_baud_rate(struct usb_serial *serial, speed_t value) { if (le16_to_cpu(serial->dev->descriptor.idProduct) == MCT_U232_SITECOM_PID || le16_to_cpu(serial->dev->descriptor.idProduct) == MCT_U232_BELKIN_F5U109_PID) { switch (value) { - case B300: return 0x01; - case B600: return 0x02; /* this one not tested */ - case B1200: return 0x03; - case B2400: return 0x04; - case B4800: return 0x06; - case B9600: return 0x08; - case B19200: return 0x09; - case B38400: return 0x0a; - case B57600: return 0x0b; - case B115200: return 0x0c; + case 300: return 0x01; + case 600: return 0x02; /* this one not tested */ + case 1200: return 0x03; + case 2400: return 0x04; + case 4800: return 0x06; + case 9600: return 0x08; + case 19200: return 0x09; + case 38400: return 0x0a; + case 57600: return 0x0b; + case 115200: return 0x0c; default: err("MCT USB-RS232: unsupported baudrate request 0x%x," " using default of B9600", value); @@ -206,27 +206,27 @@ static int mct_u232_calculate_baud_rate(struct usb_serial *serial, int value) } } else { switch (value) { - case B300: value = 300; break; - case B600: value = 600; break; - case B1200: value = 1200; break; - case B2400: value = 2400; break; - case B4800: value = 4800; break; - case B9600: value = 9600; break; - case B19200: value = 19200; break; - case B38400: value = 38400; break; - case B57600: value = 57600; break; - case B115200: value = 115200; break; - default: - err("MCT USB-RS232: unsupported baudrate request 0x%x," - " using default of B9600", value); - value = 9600; + case 300: break; + case 600: break; + case 1200: break; + case 2400: break; + case 4800: break; + case 9600: break; + case 19200: break; + case 38400: break; + case 57600: break; + case 115200: break; + default: + err("MCT USB-RS232: unsupported baudrate request 0x%x," + " using default of B9600", value); + value = 9600; } return 115200/value; } } static int mct_u232_set_baud_rate(struct usb_serial *serial, struct usb_serial_port *port, - int value) + speed_t value) { __le32 divisor; int rc; @@ -634,7 +634,7 @@ static void mct_u232_set_termios (struct usb_serial_port *port, mct_u232_set_modem_ctrl(serial, control_state); } - mct_u232_set_baud_rate(serial, port, cflag & CBAUD); + mct_u232_set_baud_rate(serial, port, tty_get_baud_rate(port->tty)); if ((cflag & CBAUD) == B0 ) { dbg("%s: baud is B0", __FUNCTION__); diff --git a/drivers/usb/serial/mct_u232.h b/drivers/usb/serial/mct_u232.h index a61bac8f224..aae10c8174d 100644 --- a/drivers/usb/serial/mct_u232.h +++ b/drivers/usb/serial/mct_u232.h @@ -79,7 +79,7 @@ * and "Intel solution". They are the regular MCT and "Sitecom" for us. * This is pointless to document in the header, see the code for the bits. */ -static int mct_u232_calculate_baud_rate(struct usb_serial *serial, int value); +static int mct_u232_calculate_baud_rate(struct usb_serial *serial, speed_t value); /* * Line Control Register (LCR) diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 0794ccdebfd..0bb8de4cc52 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -45,7 +45,7 @@ enum devicetype { DEVICE_INSTALLER = 2, }; -int sierra_set_power_state(struct usb_device *udev, __u16 swiState) +static int sierra_set_power_state(struct usb_device *udev, __u16 swiState) { int result; dev_dbg(&udev->dev, "%s", "SET POWER STATE"); @@ -60,7 +60,7 @@ int sierra_set_power_state(struct usb_device *udev, __u16 swiState) return result; } -int sierra_set_ms_mode(struct usb_device *udev, __u16 eSocMode) +static int sierra_set_ms_mode(struct usb_device *udev, __u16 eSocMode) { int result; dev_dbg(&udev->dev, "%s", "DEVICE MODE SWITCH"); @@ -75,7 +75,8 @@ int sierra_set_ms_mode(struct usb_device *udev, __u16 eSocMode) return result; } -int sierra_probe(struct usb_interface *iface, const struct usb_device_id *id) +static int sierra_probe(struct usb_interface *iface, + const struct usb_device_id *id) { int result; struct usb_device *udev; diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index a3665659d13..9bf01a5efc8 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -60,19 +60,19 @@ static struct usb_driver usb_serial_driver = { static int debug; static struct usb_serial *serial_table[SERIAL_TTY_MINORS]; /* initially all NULL */ -static spinlock_t table_lock; +static DEFINE_MUTEX(table_lock); static LIST_HEAD(usb_serial_driver_list); struct usb_serial *usb_serial_get_by_index(unsigned index) { struct usb_serial *serial; - spin_lock(&table_lock); + mutex_lock(&table_lock); serial = serial_table[index]; if (serial) kref_get(&serial->kref); - spin_unlock(&table_lock); + mutex_unlock(&table_lock); return serial; } @@ -84,7 +84,7 @@ static struct usb_serial *get_free_serial (struct usb_serial *serial, int num_po dbg("%s %d", __FUNCTION__, num_ports); *minor = 0; - spin_lock(&table_lock); + mutex_lock(&table_lock); for (i = 0; i < SERIAL_TTY_MINORS; ++i) { if (serial_table[i]) continue; @@ -106,10 +106,10 @@ static struct usb_serial *get_free_serial (struct usb_serial *serial, int num_po serial_table[i] = serial; serial->port[j++]->number = i; } - spin_unlock(&table_lock); + mutex_unlock(&table_lock); return serial; } - spin_unlock(&table_lock); + mutex_unlock(&table_lock); return NULL; } @@ -172,9 +172,9 @@ static void destroy_serial(struct kref *kref) void usb_serial_put(struct usb_serial *serial) { - spin_lock(&table_lock); + mutex_lock(&table_lock); kref_put(&serial->kref, destroy_serial); - spin_unlock(&table_lock); + mutex_unlock(&table_lock); } /***************************************************************************** @@ -1077,16 +1077,17 @@ int usb_serial_suspend(struct usb_interface *intf, pm_message_t message) struct usb_serial_port *port; int i, r = 0; - if (serial) { - for (i = 0; i < serial->num_ports; ++i) { - port = serial->port[i]; - if (port) - kill_traffic(port); - } + if (!serial) /* device has been disconnected */ + return 0; + + for (i = 0; i < serial->num_ports; ++i) { + port = serial->port[i]; + if (port) + kill_traffic(port); } if (serial->type->suspend) - serial->type->suspend(serial, message); + r = serial->type->suspend(serial, message); return r; } @@ -1128,7 +1129,6 @@ static int __init usb_serial_init(void) return -ENOMEM; /* Initialize our global data */ - spin_lock_init(&table_lock); for (i = 0; i < SERIAL_TTY_MINORS; ++i) { serial_table[i] = NULL; } diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index a624e72f81d..d8d008d4294 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -320,6 +320,13 @@ UNUSUAL_DEV( 0x04b0, 0x0401, 0x0200, 0x0200, US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_FIX_CAPACITY), +/* Reported by Milinevsky Dmitry <niam.niam@gmail.com> */ +UNUSUAL_DEV( 0x04b0, 0x0409, 0x0100, 0x0100, + "NIKON", + "NIKON DSC D50", + US_SC_DEVICE, US_PR_DEVICE, NULL, + US_FL_FIX_CAPACITY), + /* Reported by Andreas Bockhold <andreas@bockionline.de> */ UNUSUAL_DEV( 0x04b0, 0x0405, 0x0100, 0x0100, "NIKON", @@ -1357,6 +1364,20 @@ UNUSUAL_DEV( 0x0f19, 0x0105, 0x0100, 0x0100, US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), +/* Jeremy Katz <katzj@redhat.com>: + * The Blackberry Pearl can run in two modes; a usb-storage only mode + * and a mode that allows access via mass storage and to its database. + * The berry_charge module will set the device to dual mode and thus we + * should ignore its native mode if that module is built + */ +#ifdef CONFIG_USB_BERRY_CHARGE +UNUSUAL_DEV( 0x0fca, 0x0006, 0x0001, 0x0001, + "RIM", + "Blackberry Pearl", + US_SC_DEVICE, US_PR_DEVICE, NULL, + US_FL_IGNORE_DEVICE ), +#endif + /* Reported by Michael Stattmann <michael@stattmann.com> */ UNUSUAL_DEV( 0x0fce, 0xd008, 0x0000, 0x0000, "Sony Ericsson", diff --git a/include/linux/usb.h b/include/linux/usb.h index 7a60946df3b..4f33a58fa9d 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -94,6 +94,7 @@ enum usb_interface_condition { * endpoint configurations. They will be in no particular order. * @num_altsetting: number of altsettings defined. * @cur_altsetting: the current altsetting. + * @intf_assoc: interface association descriptor * @driver: the USB driver that is bound to this interface. * @minor: the minor number assigned to this interface, if this * interface is bound to a driver that uses the USB major number. @@ -213,6 +214,7 @@ struct usb_interface_cache { * @desc: the device's configuration descriptor. * @string: pointer to the cached version of the iConfiguration string, if * present for this configuration. + * @intf_assoc: list of any interface association descriptors in this config * @interface: array of pointers to usb_interface structures, one for each * interface in the configuration. The number of interfaces is stored * in desc.bNumInterfaces. These pointers are valid only while the |