renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-18 18:23:53 +08:00
Code

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

Browse Source 
Compile fixes related to changed tty flip buffer handling.

Signed-off-by: Kars de Jong <jongk@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Geert Uytterhoeven 2006-10-09 22:27:42 +02:00 committed by Linus Torvalds
parent ea62aa1b6f
commit 81e859ac1e
1 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/char/serial167.c
View File

@ -62,6 +62,7 @@
#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>
@ -427,8 +428,9 @@ cd2401_rxerr_interrupt(int irq, void *dev_id)
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) */
@ -437,14 +439,14 @@ cd2401_rxerr_interrupt(int irq, void *dev_id)
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;
@ -635,6 +637,7 @@ cd2401_rx_interrupt(int irq, void *dev_id)
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);
@ -667,14 +670,15 @@ cd2401_rx_interrupt(int irq, void *dev_id)
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;