Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
[linux-drm-fsl-dcu.git] / drivers / char / synclink_gt.c
index d4334c79f8d44cece757c8f56630a39a23308fb7..54af763518fefde65774091d6dc8591c025f53c1 100644 (file)
 
 #include "linux/synclink.h"
 
-#ifdef CONFIG_HDLC_MODULE
-#define CONFIG_HDLC 1
+#if defined(CONFIG_HDLC) || (defined(CONFIG_HDLC_MODULE) && defined(CONFIG_SYNCLINK_GT_MODULE))
+#define SYNCLINK_GENERIC_HDLC 1
+#else
+#define SYNCLINK_GENERIC_HDLC 0
 #endif
 
 /*
@@ -149,7 +151,7 @@ static struct tty_driver *serial_driver;
 static int  open(struct tty_struct *tty, struct file * filp);
 static void close(struct tty_struct *tty, struct file * filp);
 static void hangup(struct tty_struct *tty);
-static void set_termios(struct tty_struct *tty, struct termios *old_termios);
+static void set_termios(struct tty_struct *tty, struct ktermios *old_termios);
 
 static int  write(struct tty_struct *tty, const unsigned char *buf, int count);
 static void put_char(struct tty_struct *tty, unsigned char ch);
@@ -171,7 +173,7 @@ static void set_break(struct tty_struct *tty, int break_state);
 /*
  * generic HDLC support and callbacks
  */
-#ifdef CONFIG_HDLC
+#if SYNCLINK_GENERIC_HDLC
 #define dev_to_port(D) (dev_to_hdlc(D)->priv)
 static void hdlcdev_tx_done(struct slgt_info *info);
 static void hdlcdev_rx(struct slgt_info *info, char *buf, int size);
@@ -359,7 +361,7 @@ struct slgt_info {
        int netcount;
        int dosyncppp;
        spinlock_t netlock;
-#ifdef CONFIG_HDLC
+#if SYNCLINK_GENERIC_HDLC
        struct net_device *netdev;
 #endif
 
@@ -485,7 +487,7 @@ static void enable_loopback(struct slgt_info *info);
 static void set_rate(struct slgt_info *info, u32 data_rate);
 
 static int  bh_action(struct slgt_info *info);
-static void bh_handler(void* context);
+static void bh_handler(struct work_struct *work);
 static void bh_transmit(struct slgt_info *info);
 static void isr_serial(struct slgt_info *info);
 static void isr_rdma(struct slgt_info *info);
@@ -814,7 +816,7 @@ static void hangup(struct tty_struct *tty)
        wake_up_interruptible(&info->open_wait);
 }
 
-static void set_termios(struct tty_struct *tty, struct termios *old_termios)
+static void set_termios(struct tty_struct *tty, struct ktermios *old_termios)
 {
        struct slgt_info *info = tty->driver_data;
        unsigned long flags;
@@ -1043,7 +1045,6 @@ static void flush_buffer(struct tty_struct *tty)
                info->tx_count = 0;
        spin_unlock_irqrestore(&info->lock,flags);
 
-       wake_up_interruptible(&tty->write_wait);
        tty_wakeup(tty);
 }
 
@@ -1354,7 +1355,7 @@ static void set_break(struct tty_struct *tty, int break_state)
        spin_unlock_irqrestore(&info->lock,flags);
 }
 
-#ifdef CONFIG_HDLC
+#if SYNCLINK_GENERIC_HDLC
 
 /**
  * called by generic HDLC layer when protocol selected (PPP, frame relay, etc.)
@@ -1878,9 +1879,9 @@ static int bh_action(struct slgt_info *info)
 /*
  * perform bottom half processing
  */
-static void bh_handler(void* context)
+static void bh_handler(struct work_struct *work)
 {
-       struct slgt_info *info = context;
+       struct slgt_info *info = container_of(work, struct slgt_info, task);
        int action;
 
        if (!info)
@@ -1931,10 +1932,8 @@ static void bh_transmit(struct slgt_info *info)
        struct tty_struct *tty = info->tty;
 
        DBGBH(("%s bh_transmit\n", info->device_name));
-       if (tty) {
+       if (tty)
                tty_wakeup(tty);
-               wake_up_interruptible(&tty->write_wait);
-       }
 }
 
 static void dsr_change(struct slgt_info *info)
@@ -2002,7 +2001,7 @@ static void dcd_change(struct slgt_info *info)
        } else {
                info->input_signal_events.dcd_down++;
        }
-#ifdef CONFIG_HDLC
+#if SYNCLINK_GENERIC_HDLC
        if (info->netcount) {
                if (info->signals & SerialSignal_DCD)
                        netif_carrier_on(info->netdev);
@@ -2180,7 +2179,7 @@ static void isr_txeom(struct slgt_info *info, unsigned short status)
                        set_signals(info);
                }
 
-#ifdef CONFIG_HDLC
+#if SYNCLINK_GENERIC_HDLC
                if (info->netcount)
                        hdlcdev_tx_done(info);
                else
@@ -3306,7 +3305,7 @@ static void add_device(struct slgt_info *info)
                devstr, info->device_name, info->phys_reg_addr,
                info->irq_level, info->max_frame_size);
 
-#ifdef CONFIG_HDLC
+#if SYNCLINK_GENERIC_HDLC
        hdlcdev_init(info);
 #endif
 }
@@ -3326,7 +3325,7 @@ static struct slgt_info *alloc_dev(int adapter_num, int port_num, struct pci_dev
        } else {
                memset(info, 0, sizeof(struct slgt_info));
                info->magic = MGSL_MAGIC;
-               INIT_WORK(&info->task, bh_handler, info);
+               INIT_WORK(&info->task, bh_handler);
                info->max_frame_size = 4096;
                info->raw_rx_size = DMABUFSIZE;
                info->close_delay = 5*HZ/10;
@@ -3488,7 +3487,7 @@ static void slgt_cleanup(void)
        /* release devices */
        info = slgt_device_list;
        while(info) {
-#ifdef CONFIG_HDLC
+#if SYNCLINK_GENERIC_HDLC
                hdlcdev_exit(info);
 #endif
                free_dma_bufs(info);
@@ -3522,6 +3521,7 @@ static int __init slgt_init(void)
 
        if (!slgt_device_list) {
                printk("%s no devices found\n",driver_name);
+               pci_unregister_driver(&pci_driver);
                return -ENODEV;
        }
 
@@ -3543,6 +3543,8 @@ static int __init slgt_init(void)
        serial_driver->init_termios = tty_std_termios;
        serial_driver->init_termios.c_cflag =
                B9600 | CS8 | CREAD | HUPCL | CLOCAL;
+       serial_driver->init_termios.c_ispeed = 9600;
+       serial_driver->init_termios.c_ospeed = 9600;
        serial_driver->flags = TTY_DRIVER_REAL_RAW;
        tty_set_operations(serial_driver, &ops);
        if ((rc = tty_register_driver(serial_driver)) < 0) {
@@ -4433,7 +4435,7 @@ check_again:
                        framesize = 0;
        }
 
-#ifdef CONFIG_HDLC
+#if SYNCLINK_GENERIC_HDLC
        if (framesize == 0) {
                struct net_device_stats *stats = hdlc_stats(info->netdev);
                stats->rx_errors++;
@@ -4476,7 +4478,7 @@ check_again:
                                framesize++;
                        }
 
-#ifdef CONFIG_HDLC
+#if SYNCLINK_GENERIC_HDLC
                        if (info->netcount)
                                hdlcdev_rx(info,info->tmp_rbuf, framesize);
                        else
@@ -4779,7 +4781,7 @@ static void tx_timeout(unsigned long context)
        info->tx_count = 0;
        spin_unlock_irqrestore(&info->lock,flags);
 
-#ifdef CONFIG_HDLC
+#if SYNCLINK_GENERIC_HDLC
        if (info->netcount)
                hdlcdev_tx_done(info);
        else
@@ -4799,6 +4801,6 @@ static void rx_timeout(unsigned long context)
        spin_lock_irqsave(&info->lock, flags);
        info->pending_bh |= BH_RECEIVE;
        spin_unlock_irqrestore(&info->lock, flags);
-       bh_handler(info);
+       bh_handler(&info->task);
 }