Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / drivers / serial / crisv10.c

diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c
index 3da5494..8970014 100644 (file)
--- a/drivers/serial/crisv10.c
+++ b/drivers/serial/crisv10.c
@@ -426,8 +426,6 @@
 static char *serial_version = "$Revision: 1.25 $";
 
 #include <linux/config.h>
-#include <linux/version.h>
-
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/signal.h>
@@ -444,11 +442,11 @@ static char *serial_version = "$Revision: 1.25 $";
 #include <linux/init.h>
 #include <asm/uaccess.h>
 #include <linux/kernel.h>
+#include <linux/mutex.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/system.h>
-#include <asm/segment.h>
 #include <asm/bitops.h>
 #include <linux/delay.h>
 
@@ -483,8 +481,6 @@ static char *serial_version = "$Revision: 1.25 $";
 #include "serial_compat.h"
 #endif
 
-#define _INLINE_ inline
-
 struct tty_driver *serial_driver;
 
 /* serial subtype definitions */
@@ -593,8 +589,6 @@ static void rs_throttle(struct tty_struct * tty);
 static void rs_wait_until_sent(struct tty_struct *tty, int timeout);
 static int rs_write(struct tty_struct * tty, int from_user,
                     const unsigned char *buf, int count);
-extern _INLINE_ int rs_raw_write(struct tty_struct * tty, int from_user,
-                            const unsigned char *buf, int count);
 #ifdef CONFIG_ETRAX_RS485
 static int e100_write_rs485(struct tty_struct * tty, int from_user,
                             const unsigned char *buf, int count);
@@ -1318,11 +1312,7 @@ static const struct control_pins e100_modem_pins[NR_PORTS] =
  * memory if large numbers of serial ports are open.
  */
 static unsigned char *tmp_buf;
-#ifdef DECLARE_MUTEX
-static DECLARE_MUTEX(tmp_buf_sem);
-#else
-static struct semaphore tmp_buf_sem = MUTEX;
-#endif
+static DEFINE_MUTEX(tmp_buf_mutex);
 
 /* Calculate the chartime depending on baudrate, numbor of bits etc. */
 static void update_char_time(struct e100_serial * info)
@@ -1544,8 +1534,7 @@ e100_enable_rxdma_irq(struct e100_serial *info)
 
 /* the tx DMA uses only dma_descr interrupt */
 
-static _INLINE_ void
-e100_disable_txdma_irq(struct e100_serial *info)
+static void e100_disable_txdma_irq(struct e100_serial *info)
 {
 #ifdef SERIAL_DEBUG_INTR
        printk("txdma_irq(%d): 0\n",info->line);
@@ -1554,8 +1543,7 @@ e100_disable_txdma_irq(struct e100_serial *info)
        *R_IRQ_MASK2_CLR = info->irq;
 }
 
-static _INLINE_ void
-e100_enable_txdma_irq(struct e100_serial *info)
+static void e100_enable_txdma_irq(struct e100_serial *info)
 {
 #ifdef SERIAL_DEBUG_INTR
        printk("txdma_irq(%d): 1\n",info->line);
@@ -1564,8 +1552,7 @@ e100_enable_txdma_irq(struct e100_serial *info)
        *R_IRQ_MASK2_SET = info->irq;
 }
 
-static _INLINE_ void
-e100_disable_txdma_channel(struct e100_serial *info)
+static void e100_disable_txdma_channel(struct e100_serial *info)
 {
        unsigned long flags;
 
@@ -1605,8 +1592,7 @@ e100_disable_txdma_channel(struct e100_serial *info)
 }
 
 
-static _INLINE_ void
-e100_enable_txdma_channel(struct e100_serial *info)
+static void e100_enable_txdma_channel(struct e100_serial *info)
 {
        unsigned long flags;
 
@@ -1631,8 +1617,7 @@ e100_enable_txdma_channel(struct e100_serial *info)
        restore_flags(flags);
 }
 
-static _INLINE_ void
-e100_disable_rxdma_channel(struct e100_serial *info)
+static void e100_disable_rxdma_channel(struct e100_serial *info)
 {
        unsigned long flags;
 
@@ -1671,8 +1656,7 @@ e100_disable_rxdma_channel(struct e100_serial *info)
 }
 
 
-static _INLINE_ void
-e100_enable_rxdma_channel(struct e100_serial *info)
+static void e100_enable_rxdma_channel(struct e100_serial *info)
 {
        unsigned long flags;
 
@@ -1919,9 +1903,7 @@ rs_start(struct tty_struct *tty)
  * This routine is used by the interrupt handler to schedule
  * processing in the software interrupt portion of the driver.
  */
-static _INLINE_ void
-rs_sched_event(struct e100_serial *info,
-                                   int event)
+static void rs_sched_event(struct e100_serial *info, int event)
 {
        if (info->event & (1 << event))
                return;
@@ -2161,8 +2143,9 @@ add_char_and_flag(struct e100_serial *info, unsigned char data, unsigned char fl
        return 1;
 }
 
-extern _INLINE_ unsigned int
-handle_descr_data(struct e100_serial *info, struct etrax_dma_descr *descr, unsigned int recvl)
+static unsigned int handle_descr_data(struct e100_serial *info,
+                                     struct etrax_dma_descr *descr,
+                                     unsigned int recvl)
 {
        struct etrax_recv_buffer *buffer = phys_to_virt(descr->buf) - sizeof *buffer;
 
@@ -2188,8 +2171,7 @@ handle_descr_data(struct e100_serial *info, struct etrax_dma_descr *descr, unsig
        return recvl;
 }
 
-static _INLINE_ unsigned int
-handle_all_descr_data(struct e100_serial *info)
+static unsigned int handle_all_descr_data(struct e100_serial *info)
 {
        struct etrax_dma_descr *descr;
        unsigned int recvl;
@@ -2236,8 +2218,7 @@ handle_all_descr_data(struct e100_serial *info)
        return ret;
 }
 
-static _INLINE_ void
-receive_chars_dma(struct e100_serial *info)
+static void receive_chars_dma(struct e100_serial *info)
 {
        struct tty_struct *tty;
        unsigned char rstat;
@@ -2298,8 +2279,7 @@ receive_chars_dma(struct e100_serial *info)
        *info->icmdadr = IO_STATE(R_DMA_CH6_CMD, cmd, restart);
 }
 
-static _INLINE_ int
-start_recv_dma(struct e100_serial *info)
+static int start_recv_dma(struct e100_serial *info)
 {
        struct etrax_dma_descr *descr = info->rec_descr;
        struct etrax_recv_buffer *buffer;
@@ -2354,11 +2334,6 @@ start_receive(struct e100_serial *info)
 }
 
 
-static _INLINE_ void
-status_handle(struct e100_serial *info, unsigned short status)
-{
-}
-
 /* the bits in the MASK2 register are laid out like this:
    DMAI_EOP DMAI_DESCR DMAO_EOP DMAO_DESCR
    where I is the input channel and O is the output channel for the port.
@@ -2460,8 +2435,7 @@ rec_interrupt(int irq, void *dev_id, struct pt_regs * regs)
        return IRQ_RETVAL(handled);
 } /* rec_interrupt */
 
-static _INLINE_ int
-force_eop_if_needed(struct e100_serial *info)
+static int force_eop_if_needed(struct e100_serial *info)
 {
        /* We check data_avail bit to determine if data has
         * arrived since last time
@@ -2505,8 +2479,7 @@ force_eop_if_needed(struct e100_serial *info)
        return 1;
 }
 
-extern _INLINE_ void
-flush_to_flip_buffer(struct e100_serial *info)
+static void flush_to_flip_buffer(struct e100_serial *info)
 {
        struct tty_struct *tty;
        struct etrax_recv_buffer *buffer;
@@ -2617,8 +2590,7 @@ flush_to_flip_buffer(struct e100_serial *info)
        tty_flip_buffer_push(tty);
 }
 
-static _INLINE_ void
-check_flush_timeout(struct e100_serial *info)
+static void check_flush_timeout(struct e100_serial *info)
 {
        /* Flip what we've got (if we can) */
        flush_to_flip_buffer(info);
@@ -2747,7 +2719,7 @@ TODO: The break will be delayed until an F or V character is received.
 
 */
 
-extern _INLINE_
+static
 struct e100_serial * handle_ser_rx_interrupt_no_dma(struct e100_serial *info)
 {
        unsigned long data_read;
@@ -2881,8 +2853,7 @@ more_data:
        return info;
 }
 
-extern _INLINE_
-struct e100_serial* handle_ser_rx_interrupt(struct e100_serial *info)
+static struct e100_serial* handle_ser_rx_interrupt(struct e100_serial *info)
 {
        unsigned char rstat;
 
@@ -3001,7 +2972,7 @@ struct e100_serial* handle_ser_rx_interrupt(struct e100_serial *info)
        return info;
 } /* handle_ser_rx_interrupt */
 
-extern _INLINE_ void handle_ser_tx_interrupt(struct e100_serial *info)
+static void handle_ser_tx_interrupt(struct e100_serial *info)
 {
        unsigned long flags;
 
@@ -3627,9 +3598,8 @@ rs_flush_chars(struct tty_struct *tty)
        restore_flags(flags);
 }
 
-extern _INLINE_ int
-rs_raw_write(struct tty_struct * tty, int from_user,
-         const unsigned char *buf, int count)
+static int rs_raw_write(struct tty_struct * tty, int from_user,
+                       const unsigned char *buf, int count)
 {
        int     c, ret = 0;
        struct e100_serial *info = (struct e100_serial *)tty->driver_data;
@@ -3664,7 +3634,7 @@ rs_raw_write(struct tty_struct * tty, int from_user,
         * design.
         */
        if (from_user) {
-               down(&tmp_buf_sem);
+               mutex_lock(&tmp_buf_mutex);
                while (1) {
                        int c1;
                        c = CIRC_SPACE_TO_END(info->xmit.head,
@@ -3695,7 +3665,7 @@ rs_raw_write(struct tty_struct * tty, int from_user,
                        count -= c;
                        ret += c;
                }
-               up(&tmp_buf_sem);
+               mutex_unlock(&tmp_buf_mutex);
        } else {
                cli();
                while (count) {
@@ -4419,10 +4389,8 @@ rs_close(struct tty_struct *tty, struct file * filp)
        info->event = 0;
        info->tty = 0;
        if (info->blocked_open) {
-               if (info->close_delay) {
-                       set_current_state(TASK_INTERRUPTIBLE);
-                       schedule_timeout(info->close_delay);
-               }
+               if (info->close_delay)
+                       schedule_timeout_interruptible(info->close_delay);
                wake_up_interruptible(&info->open_wait);
        }
        info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
@@ -4472,8 +4440,7 @@ static void rs_wait_until_sent(struct tty_struct *tty, int timeout)
        while (info->xmit.head != info->xmit.tail || /* More in send queue */
               (*info->ostatusadr & 0x007f) ||  /* more in FIFO */
               (elapsed_usec < 2*info->char_time_usec)) {
-               set_current_state(TASK_INTERRUPTIBLE);
-               schedule_timeout(1);
+               schedule_timeout_interruptible(1);
                if (signal_pending(current))
                        break;
                if (timeout && time_after(jiffies, orig_jiffies + timeout))
@@ -4719,7 +4686,7 @@ rs_open(struct tty_struct *tty, struct file * filp)
  * /proc fs routines....
  */
 
-extern _INLINE_ int line_info(char *buf, struct e100_serial *info)
+static int line_info(char *buf, struct e100_serial *info)
 {
        char    stat_buf[30];
        int     ret;
@@ -5043,17 +5010,3 @@ rs_init(void)
 /* this makes sure that rs_init is called during kernel boot */
 
 module_init(rs_init);
-
-/*
- * register_serial and unregister_serial allows for serial ports to be
- * configured at run-time, to support PCMCIA modems.
- */
-int
-register_serial(struct serial_struct *req)
-{
-       return -1;
-}
-
-void unregister_serial(int line)
-{
-}