On Wednesday 16 August 2006 08:45, Andrew Morton wrote:
> > > Perhaps we could create an mxser-new.c and offer that in config, plan
> > > to remove mxser.c N months hence?
> >
> > I can test the updated driver with MOXA CP-168U series board if it will
> > compile on 2.6.12.6.
>
> Thanks.
>
> > Unfortunately I can't change kernel to latest one there.
> > Will testing on 2.6.12.6 be enough for you?
[...]
> Perhaps it'll work if you apply the patch to 2.6.18-rc4 then copy the
> patched files over to 2.6.12..
I've copied 2.6.18rc4+1.9.1 update applied to 2.6.12 + applied patch below, started minicom
and tried to write something... at that moment machine blew up - instantly rebooted.
Nothing on serial console unfortunately.
mxser.c from 2.6.18rc4 without proposed 1.9.1 patch works fine (+ problem described
here http://lkml.org/lkml/2005/11/2/175 no longer happens).
--- mxser.c.new.org 2006-08-16 10:50:44.578413363 +0200
+++ mxser.c 2006-08-16 10:54:07.399361546 +0200
@@ -85,7 +85,7 @@
#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK|\
IXON|IXOFF))
-#define IRQ_T(info) ((info->flags & ASYNC_SHARE_IRQ) ? IRQF_SHARED : IRQF_DISABLED)
+#define IRQ_T(info) ((info->flags & ASYNC_SHARE_IRQ) ? SA_SHIRQ : SA_INTERRUPT)
#define C168_ASIC_ID 1
#define C104_ASIC_ID 2
@@ -1108,7 +1108,8 @@
*/
timeout = jiffies + HZ;
while (!(inb(info->base + UART_LSR) & UART_LSR_TEMT)) {
- schedule_timeout_interruptible(5);
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule_timeout(5);
if (time_after(jiffies, timeout))
break;
}
@@ -1129,8 +1130,10 @@
info->event = 0;
info->tty = NULL;
if (info->blocked_open) {
- if (info->close_delay)
- schedule_timeout_interruptible(info->close_delay);
+ if (info->close_delay) {
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule_timeout(info->close_delay);
+ }
wake_up_interruptible(&info->open_wait);
}
@@ -1870,7 +1873,8 @@
#ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
printk("lsr = %d (jiff=%lu)...", lsr, jiffies);
#endif
- schedule_timeout_interruptible(char_time);
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule_timeout(char_time);
if (signal_pending(current))
break;
if (timeout && time_after(jiffies, orig_jiffies + timeout))
@@ -2054,7 +2058,7 @@
spin_lock_irqsave(&info->slock, flags);
- recv_room = tty->receive_room;
+ recv_room = tty->ldisc.receive_room(tty);
if ((recv_room == 0) && (!info->ldisc_stop_rx)) {
/* mxser_throttle(tty); */
mxser_stoprx(tty);
--
Arkadiusz Miśkiewicz PLD/Linux Team
arekm / maven.pl http://ftp.pld-linux.org/
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