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[PATCH] m68k/MVME167: SERIAL167 tty flip buffer updates
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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>
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Geert Uytterhoeven authored and Linus Torvalds committed Oct 9, 2006
1 parent ea62aa1 commit 81e859a
Showing 1 changed file with 10 additions and 6 deletions.
16 changes: 10 additions & 6 deletions drivers/char/serial167.c
Original file line number Diff line number Diff line change
Expand Up @@ -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>
Expand Down Expand Up @@ -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) */
Expand All @@ -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;
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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;
Expand Down

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