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path: root/drivers/char/serial167.c
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Diffstat (limited to 'drivers/char/serial167.c')
-rw-r--r--drivers/char/serial167.c38
1 files changed, 11 insertions, 27 deletions
diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c
index c2deac968bd..037c940ac71 100644
--- a/drivers/char/serial167.c
+++ b/drivers/char/serial167.c
@@ -117,7 +117,7 @@ struct cyclades_port cy_port[] = {
{-1 }, /* ttyS2 */
{-1 }, /* ttyS3 */
};
-#define NR_PORTS (sizeof(cy_port)/sizeof(struct cyclades_port))
+#define NR_PORTS ARRAY_SIZE(cy_port)
/*
* tmp_buf is used as a temporary buffer by serial_write. We need to
@@ -129,7 +129,6 @@ struct cyclades_port cy_port[] = {
* memory if large numbers of serial ports are open.
*/
static unsigned char *tmp_buf = 0;
-DECLARE_MUTEX(tmp_buf_sem);
/*
* This is used to look up the divisor speeds and the timeouts
@@ -422,45 +421,35 @@ cd2401_rxerr_interrupt(int irq, void *dev_id, struct pt_regs *fp)
base_addr[CyREOIR] = rfoc ? 0 : CyNOTRANS;
return IRQ_HANDLED;
}
- if (tty->flip.count < TTY_FLIPBUF_SIZE){
- tty->flip.count++;
+ if (tty_buffer_request_room(tty, 1) != 0){
if (err & info->read_status_mask){
if(err & CyBREAK){
- *tty->flip.flag_buf_ptr++ = TTY_BREAK;
- *tty->flip.char_buf_ptr++ = data;
+ tty_insert_flip_char(tty, data, TTY_BREAK);
if (info->flags & ASYNC_SAK){
do_SAK(tty);
}
}else if(err & CyFRAME){
- *tty->flip.flag_buf_ptr++ = TTY_FRAME;
- *tty->flip.char_buf_ptr++ = data;
+ tty_insert_flip_char(tty, data, TTY_FRAME);
}else if(err & CyPARITY){
- *tty->flip.flag_buf_ptr++ = TTY_PARITY;
- *tty->flip.char_buf_ptr++ = data;
+ tty_insert_flip_char(tty, data, TTY_PARITY);
}else if(err & CyOVERRUN){
- *tty->flip.flag_buf_ptr++ = TTY_OVERRUN;
- *tty->flip.char_buf_ptr++ = 0;
+ tty_insert_flip_char(tty, 0, TTY_OVERRUN);
/*
If the flip buffer itself is
overflowing, we still loose
the next incoming character.
*/
- if(tty->flip.count < TTY_FLIPBUF_SIZE){
- tty->flip.count++;
- *tty->flip.flag_buf_ptr++ = TTY_NORMAL;
- *tty->flip.char_buf_ptr++ = data;
- }
+ tty_insert_flip_char(tty, data, TTY_NORMAL);
+ }
/* These two conditions may imply */
/* a normal read should be done. */
/* else if(data & CyTIMEOUT) */
/* else if(data & CySPECHAR) */
}else{
- *tty->flip.flag_buf_ptr++ = 0;
- *tty->flip.char_buf_ptr++ = 0;
+ tty_insert_flip_char(tty, 0, TTY_NORMAL);
}
}else{
- *tty->flip.flag_buf_ptr++ = 0;
- *tty->flip.char_buf_ptr++ = 0;
+ tty_insert_flip_char(tty, data, TTY_NORMAL);
}
}else{
/* there was a software buffer overrun
@@ -692,12 +681,7 @@ cd2401_rx_interrupt(int irq, void *dev_id, struct pt_regs *fp)
#endif
while(char_count--){
data = base_addr[CyRDR];
- if (tty->flip.count >= TTY_FLIPBUF_SIZE){
- continue;
- }
- tty->flip.count++;
- *tty->flip.flag_buf_ptr++ = TTY_NORMAL;
- *tty->flip.char_buf_ptr++ = data;
+ tty_insert_flip_char(tty, data, TTY_NORMAL);
#ifdef CYCLOM_16Y_HACK
udelay(10L);
#endif