* 07/30/02 D. Mosberger Replace sti()/cli() with explicit spinlocks & local irq masking
*/
-#include <linux/config.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/sched.h>
#define KEYBOARD_INTR 3 /* must match with simulator! */
#define NR_PORTS 1 /* only one port for now */
-#define SERIAL_INLINE 1
-#ifdef SERIAL_INLINE
-#define _INLINE_ inline
-#endif
-
-#define IRQ_T(info) ((info->flags & ASYNC_SHARE_IRQ) ? SA_SHIRQ : SA_INTERRUPT)
+#define IRQ_T(info) ((info->flags & ASYNC_SHARE_IRQ) ? IRQF_SHARED : IRQF_DISABLED)
#define SSC_GETCHAR 21
{ "ST16650V2", 32, UART_CLEAR_FIFO | UART_USE_FIFO |
UART_STARTECH },
{ "TI16750", 64, UART_CLEAR_FIFO | UART_USE_FIFO},
- { 0, 0}
+ { NULL, 0}
};
struct tty_driver *hp_simserial_driver;
#endif
}
-static void receive_chars(struct tty_struct *tty, struct pt_regs *regs)
+static void receive_chars(struct tty_struct *tty)
{
unsigned char ch;
static unsigned char seen_esc = 0;
ch = ia64_ssc(0, 0, 0, 0,
SSC_GETCHAR);
while (!ch);
- handle_sysrq(ch, regs, NULL);
+ handle_sysrq(ch, NULL);
}
#endif
seen_esc = 0;
/*
* This is the serial driver's interrupt routine for a single port
*/
-static irqreturn_t rs_interrupt_single(int irq, void *dev_id, struct pt_regs * regs)
+static irqreturn_t rs_interrupt_single(int irq, void *dev_id)
{
struct async_struct * info;
* pretty simple in our case, because we only get interrupts
* on inbound traffic
*/
- receive_chars(info->tty, regs);
+ receive_chars(info->tty);
return IRQ_HANDLED;
}
}
#endif
-static void do_softint(void *private_)
+static void do_softint(struct work_struct *private_)
{
printk(KERN_ERR "simserial: do_softint called\n");
}
local_irq_restore(flags);
}
-static _INLINE_ void transmit_chars(struct async_struct *info, int *intr_done)
+static void transmit_chars(struct async_struct *info, int *intr_done)
{
int count;
unsigned long flags;
#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
-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)
{
unsigned int cflag = tty->termios->c_cflag;
if (info->xmit.buf) {
free_page((unsigned long) info->xmit.buf);
- info->xmit.buf = 0;
+ info->xmit.buf = NULL;
}
if (info->tty) set_bit(TTY_IO_ERROR, &info->tty->flags);
if (tty->driver->flush_buffer) tty->driver->flush_buffer(tty);
if (tty->ldisc.flush_buffer) tty->ldisc.flush_buffer(tty);
info->event = 0;
- info->tty = 0;
+ info->tty = NULL;
if (info->blocked_open) {
if (info->close_delay)
schedule_timeout_interruptible(info->close_delay);
info->event = 0;
state->count = 0;
info->flags &= ~ASYNC_NORMAL_ACTIVE;
- info->tty = 0;
+ info->tty = NULL;
wake_up_interruptible(&info->open_wait);
}
*ret_info = sstate->info;
return 0;
}
- info = kmalloc(sizeof(struct async_struct), GFP_KERNEL);
+ info = kzalloc(sizeof(struct async_struct), GFP_KERNEL);
if (!info) {
sstate->count--;
return -ENOMEM;
}
- memset(info, 0, sizeof(struct async_struct));
init_waitqueue_head(&info->open_wait);
init_waitqueue_head(&info->close_wait);
init_waitqueue_head(&info->delta_msr_wait);
info->flags = sstate->flags;
info->xmit_fifo_size = sstate->xmit_fifo_size;
info->line = line;
- INIT_WORK(&info->work, do_softint, info);
+ INIT_WORK(&info->work, do_softint);
info->state = sstate;
if (sstate->info) {
kfree(info);
{
unsigned long flags;
int retval=0;
- irqreturn_t (*handler)(int, void *, struct pt_regs *);
+ irq_handler_t handler;
struct serial_state *state= info->state;
unsigned long page;
/*
* Insert serial port into IRQ chain.
*/
- info->prev_port = 0;
+ info->prev_port = NULL;
info->next_port = IRQ_ports[state->irq];
if (info->next_port)
info->next_port->prev_port = info;
printk(KERN_INFO " no serial options enabled\n");
}
-static struct tty_operations hp_ops = {
+static const struct tty_operations hp_ops = {
.open = rs_open,
.close = rs_close,
.write = rs_write,