Re: Some more details on parport autoprobing bug

Tim Waugh (twaugh@redhat.com)
Mon, 20 Dec 1999 17:59:31 +0000 (GMT)


On Mon, 20 Dec 1999, Bernhard Rosenkraenzer wrote:

> Doesn't.
> I've also tried increasing the delay to ridiculously high numbers
> schedule_timeout (HZ * 5);
> without any changes. The userspace program, too, still wants the
> usleep(70001); before working.

Eek. Okay, just as a test, please try this out. If _this_ doesn't work,
try commenting out the 'assign_addrs' call a few lines above it.

Index: daisy.c
===================================================================
RCS file: /usr/local/src/cvsroot/linux/drivers/parport/daisy.c,v
retrieving revision 1.1.1.1
diff -u -r1.1.1.1 daisy.c
--- daisy.c 1999/09/24 22:00:49 1.1.1.1
+++ daisy.c 1999/12/20 17:58:14
@@ -136,6 +136,7 @@
/* Find out the legacy device's IEEE 1284 device ID. */
deviceid = kmalloc (1000, GFP_KERNEL);
if (deviceid) {
+ schedule_timeout (HZ);
parport_device_id (numdevs - 1, deviceid, 1000);
kfree (deviceid);
}

Tim.
*/

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