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path: root/drivers/char/isicom.c
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Diffstat (limited to 'drivers/char/isicom.c')
-rw-r--r--drivers/char/isicom.c24
1 files changed, 9 insertions, 15 deletions
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index 1bbf507adda..86033bed5d6 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -115,6 +115,7 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/tty.h>
+#include <linux/tty_flip.h>
#include <linux/termios.h>
#include <linux/fs.h>
#include <linux/sched.h>
@@ -773,6 +774,7 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id,
unsigned short base, header, word_count, count;
unsigned char channel;
short byte_count;
+ unsigned char *rp;
card = (struct isi_board *) dev_id;
@@ -903,14 +905,10 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id,
break;
case 1: /* Received Break !!! */
- if (tty->flip.count >= TTY_FLIPBUF_SIZE)
- break;
- *tty->flip.flag_buf_ptr++ = TTY_BREAK;
- *tty->flip.char_buf_ptr++ = 0;
- tty->flip.count++;
+ tty_insert_flip_char(tty, 0, TTY_BREAK);
if (port->flags & ASYNC_SAK)
do_SAK(tty);
- schedule_delayed_work(&tty->flip.work, 1);
+ tty_flip_buffer_push(tty);
break;
case 2: /* Statistics */
@@ -923,23 +921,19 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id,
}
}
else { /* Data Packet */
- count = min_t(unsigned short, byte_count, (TTY_FLIPBUF_SIZE - tty->flip.count));
+
+ count = tty_prepare_flip_string(tty, &rp, byte_count & ~1);
#ifdef ISICOM_DEBUG
printk(KERN_DEBUG "ISICOM: Intr: Can rx %d of %d bytes.\n",
count, byte_count);
#endif
word_count = count >> 1;
- insw(base, tty->flip.char_buf_ptr, word_count);
- tty->flip.char_buf_ptr += (word_count << 1);
+ insw(base, rp, word_count);
byte_count -= (word_count << 1);
if (count & 0x0001) {
- *tty->flip.char_buf_ptr++ = (char)(inw(base) & 0xff);
+ tty_insert_flip_char(tty, inw(base) & 0xff, TTY_NORMAL);
byte_count -= 2;
}
- memset(tty->flip.flag_buf_ptr, 0, count);
- tty->flip.flag_buf_ptr += count;
- tty->flip.count += count;
-
if (byte_count > 0) {
printk(KERN_DEBUG "ISICOM: Intr(0x%x:%d): Flip buffer overflow! dropping bytes...\n",
base, channel+1);
@@ -948,7 +942,7 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id,
byte_count -= 2;
}
}
- schedule_delayed_work(&tty->flip.work, 1);
+ tty_flip_buffer_push(tty);
}
if (card->isa == YES)
ClearInterrupt(base);