* ever possible.
*/
-#include <linux/config.h>
#include <linux/delay.h>
#undef SERIAL_PARANOIA_CHECK
/* Sanity checks */
-#define SERIAL_INLINE
-
#if defined(MODULE) && defined(SERIAL_DEBUG_MCOUNT)
#define DBG_CNT(s) printk("(%s): [%x] refc=%d, serc=%d, ttyc=%d -> %s\n", \
tty->name, (info->flags), serial_driver->refcount,info->count,tty->count,s)
#include <asm/amigahw.h>
#include <asm/amigaints.h>
-#ifdef SERIAL_INLINE
-#define _INLINE_ inline
-#endif
-
#define custom amiga_custom
static char *serial_name = "Amiga-builtin serial driver";
static unsigned char current_ctl_bits;
-static void change_speed(struct async_struct *info, struct termios *old);
+static void change_speed(struct async_struct *info, struct ktermios *old);
static void rs_wait_until_sent(struct tty_struct *tty, int timeout);
#define NR_PORTS ARRAY_SIZE(rs_table)
-/*
- * tmp_buf is used as a temporary buffer by serial_write. We need to
- * lock it in case the copy_from_user blocks while swapping in a page,
- * and some other program tries to do a serial write at the same time.
- * Since the lock will only come under contention when the system is
- * swapping and available memory is low, it makes sense to share one
- * buffer across all the serial ports, since it significantly saves
- * memory if large numbers of serial ports are open.
- */
-static unsigned char *tmp_buf;
-
#include <asm/uaccess.h>
#define serial_isroot() (capable(CAP_SYS_ADMIN))
* 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 async_struct *info,
- int event)
+static void rs_sched_event(struct async_struct *info,
+ int event)
{
info->event |= 1 << event;
tasklet_schedule(&info->tlet);
}
-static _INLINE_ void receive_chars(struct async_struct *info)
+static void receive_chars(struct async_struct *info)
{
int status;
int serdatr;
return;
}
-static _INLINE_ void transmit_chars(struct async_struct *info)
+static void transmit_chars(struct async_struct *info)
{
custom.intreq = IF_TBE;
mb();
}
}
-static _INLINE_ void check_modem_status(struct async_struct *info)
+static void check_modem_status(struct async_struct *info)
{
unsigned char status = ciab.pra & (SER_DCD | SER_CTS | SER_DSR);
unsigned char dstatus;
}
}
-static irqreturn_t ser_vbl_int( int irq, void *data, struct pt_regs *regs)
+static irqreturn_t ser_vbl_int( int irq, void *data)
{
/* vbl is just a periodic interrupt we tie into to update modem status */
struct async_struct * info = IRQ_ports;
return IRQ_HANDLED;
}
-static irqreturn_t ser_rx_int(int irq, void *dev_id, struct pt_regs * regs)
+static irqreturn_t ser_rx_int(int irq, void *dev_id)
{
struct async_struct * info;
return IRQ_HANDLED;
}
-static irqreturn_t ser_tx_int(int irq, void *dev_id, struct pt_regs * regs)
+static irqreturn_t ser_tx_int(int irq, void *dev_id)
{
struct async_struct * info;
* the specified baud rate for a serial port.
*/
static void change_speed(struct async_struct *info,
- struct termios *old_termios)
+ struct ktermios *old_termios)
{
int quot = 0, baud_base, baud;
unsigned cflag, cval = 0;
if (serial_paranoia_check(info, tty->name, "rs_write"))
return 0;
- if (!info->xmit.buf || !tmp_buf)
+ if (!info->xmit.buf)
return 0;
local_save_flags(flags);
return 0;
}
-static void rs_set_termios(struct tty_struct *tty, struct termios *old_termios)
+static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
{
struct async_struct *info = (struct async_struct *)tty->driver_data;
unsigned long flags;
{
struct async_struct *info;
int retval, line;
- unsigned long page;
line = tty->index;
if ((line < 0) || (line >= NR_PORTS)) {
#endif
info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
- if (!tmp_buf) {
- page = get_zeroed_page(GFP_KERNEL);
- if (!page) {
- return -ENOMEM;
- }
- if (tmp_buf)
- free_page(page);
- else
- tmp_buf = (unsigned char *) page;
- }
-
/*
* If the port is the middle of closing, bail out now
*/
* number, and identifies which options were configured into this
* driver.
*/
-static _INLINE_ void show_serial_version(void)
+static void show_serial_version(void)
{
printk(KERN_INFO "%s version %s\n", serial_name, serial_version);
}
-static struct tty_operations serial_ops = {
+static const struct tty_operations serial_ops = {
.open = rs_open,
.close = rs_close,
.write = rs_write,
/* set ISRs, and then disable the rx interrupts */
request_irq(IRQ_AMIGA_TBE, ser_tx_int, 0, "serial TX", state);
- request_irq(IRQ_AMIGA_RBF, ser_rx_int, SA_INTERRUPT, "serial RX", state);
+ request_irq(IRQ_AMIGA_RBF, ser_rx_int, IRQF_DISABLED, "serial RX", state);
/* turn off Rx and Tx interrupts */
custom.intena = IF_RBF | IF_TBE;
kfree(info);
}
- if (tmp_buf) {
- free_page((unsigned long) tmp_buf);
- tmp_buf = NULL;
- }
-
release_mem_region(CUSTOM_PHYSADDR+0x30, 4);
}