diff options
Diffstat (limited to 'drivers/char/isicom.c')
| -rw-r--r-- | drivers/char/isicom.c | 24 |
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); |