Andrea Arcangeli (arcangeli@mbox.queen.it)
Fri, 23 Jan 1998 00:57:22 +0100 (CET)
The new (at least for i386) irq code show that lp don' t disable_irq and
warn us.
This patch should fix the problem, it' s against parport-diff-980111-tim.
Andrea[s] Arcangeli
--- linux/drivers/char/lp.c 1998/01/22 23:48:21 1.1
+++ linux/drivers/char/lp.c 1998/01/22 23:48:55
@@ -304,6 +304,7 @@
}
current->timeout = jiffies + LP_TIMEOUT_INTERRUPT;
interruptible_sleep_on(&lp->dev->wait_q);
+ disable_irq(lp->dev->port->irq);
w_ctr(minor, LP_PSELECP | LP_PINITP);
sti();
if (lp_check_status(minor))
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