[PATCH 604] m68k/MVME167: SERIAL167 tty flip buffer updates

From: Geert Uytterhoeven
Date: Mon Oct 09 2006 - 16:28:14 EST


Compile fixes related to changed tty flip buffer handling.

Signed-Off-By: Kars de Jong <jongk@xxxxxxxxxxxxxx>
Signed-Off-By: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>

---
serial167.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)

--- linux/drivers/char/serial167.c 2006/04/09 22:22:27 1.11
+++ linux/drivers/char/serial167.c 2006/05/21 22:00:37 1.12
@@ -63,6 +63,7 @@
#include <linux/console.h>
#include <linux/module.h>
#include <linux/bitops.h>
+#include <linux/tty_flip.h>

#include <asm/system.h>
#include <asm/io.h>
@@ -439,8 +440,9 @@ cd2401_rxerr_interrupt(int irq, void *de
overflowing, we still loose
the next incoming character.
*/
- tty_insert_flip_char(tty, data, TTY_NORMAL);
- }
+ if (tty_buffer_request_room(tty, 1) != 0){
+ tty_insert_flip_char(tty, data, TTY_FRAME);
+ }
/* These two conditions may imply */
/* a normal read should be done. */
/* else if(data & CyTIMEOUT) */
@@ -449,14 +451,14 @@ cd2401_rxerr_interrupt(int irq, void *de
tty_insert_flip_char(tty, 0, TTY_NORMAL);
}
}else{
- tty_insert_flip_char(tty, data, TTY_NORMAL);
+ tty_insert_flip_char(tty, data, TTY_NORMAL);
}
}else{
/* there was a software buffer overrun
and nothing could be done about it!!! */
}
}
- schedule_delayed_work(&tty->flip.work, 1);
+ tty_schedule_flip(tty);
/* end of service */
base_addr[CyREOIR] = rfoc ? 0 : CyNOTRANS;
return IRQ_HANDLED;
@@ -647,6 +649,7 @@ cd2401_rx_interrupt(int irq, void *dev_i
char data;
int char_count;
int save_cnt;
+ int len;

/* determine the channel and change to that context */
channel = (u_short ) (base_addr[CyLICR] >> 2);
@@ -679,14 +682,15 @@ cd2401_rx_interrupt(int irq, void *dev_i
info->mon.char_max = char_count;
info->mon.char_last = char_count;
#endif
- while(char_count--){
+ len = tty_buffer_request_room(tty, char_count);
+ while(len--){
data = base_addr[CyRDR];
tty_insert_flip_char(tty, data, TTY_NORMAL);
#ifdef CYCLOM_16Y_HACK
udelay(10L);
#endif
}
- schedule_delayed_work(&tty->flip.work, 1);
+ tty_schedule_flip(tty);
}
/* end of service */
base_addr[CyREOIR] = save_cnt ? 0 : CyNOTRANS;

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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