[take 2] [patch] 2.4.3-pre8: another parport bug

Tim Waugh (twaugh@redhat.com)
Tue, 27 Mar 2001 23:04:03 +0100


Oops, the last patch isn't the one I meant to send. Here is the right
one.

Tim.
*/

2001-03-27 Tim Waugh <twaugh@redhat.com>

* parport_pc: Fix save/restore_state to take account of the soft
control port.
* ChangeLog: Updated.

--- linux/drivers/parport/parport_pc.c.restorestate Tue Mar 27 23:00:18 2001
+++ linux/drivers/parport/parport_pc.c Tue Mar 27 23:00:50 2001
@@ -347,15 +347,16 @@
void parport_pc_save_state(struct parport *p, struct parport_state *s)
{
const struct parport_pc_private *priv = p->physport->private_data;
- s->u.pc.ctr = inb (CONTROL (p));
+ s->u.pc.ctr = priv->ctr;
if (priv->ecr)
s->u.pc.ecr = inb (ECONTROL (p));
}

void parport_pc_restore_state(struct parport *p, struct parport_state *s)
{
- const struct parport_pc_private *priv = p->physport->private_data;
+ struct parport_pc_private *priv = p->physport->private_data;
outb (s->u.pc.ctr, CONTROL (p));
+ priv->ctr = s->u.pc.ctr;
if (priv->ecr)
outb (s->u.pc.ecr, ECONTROL (p));
}
*** linux/drivers/parport/ChangeLog.restorestate Tue Mar 27 23:00:18 2001
--- linux/drivers/parport/ChangeLog Tue Mar 27 23:00:38 2001
***************
*** 0 ****
--- 1,7 ----
+ 2001-03-27 Tim Waugh <twaugh@redhat.com>
+
+ * parport_pc.c (parport_pc_save_state): Read from the soft copy of
+ the control port.
+ (parport_pc_restore_state): Update the soft copy of the control
+ port.
+
-
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