Re: VIA vt8235 headache

From: sven kissner (sven.kissner@t-online.de)
Date: Tue Feb 04 2003 - 22:01:30 EST


hi petr,

i had the same errors (although i never experienced any issues with hd,
but this seems to be because i'm running them on primary while having my
atapu devices on secondary). i fixed them the following:

- using 2.4.21pre4 (pre3 worked either)
- applying the following patch from vojteck:

<--
ChangeSet@1.884, 2002-12-19 11:23:11+01:00, vojtech@suse.cz
    VIA IDE: Always use slow address setup timings for ATAPI devices.

via82cxxx.c | 19 ++++++-------------
1 files changed, 6 insertions(+), 13 deletions(-)

diff -Nru a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
--- a/drivers/ide/pci/via82cxxx.c Thu Dec 19 11:23:42 2002
+++ b/drivers/ide/pci/via82cxxx.c Thu Dec 19 11:23:42 2002
@@ -1,16 +1,5 @@
/*
- * $Id: via82cxxx.c,v 3.35-ac2 2002/09/111 Alan Exp $
- *
- * Copyright (c) 2000-2001 Vojtech Pavlik
- *
- * Based on the work of:
- * Michel Aubry
- * Jeff Garzik
- * Andre Hedrick
- */
-
-/*
- * Version 3.35
+ * Version 3.36
    *
    * VIA IDE driver for Linux. Supported southbridges:
    *
@@ -152,7 +141,7 @@
          via_print("----------VIA BusMastering IDE Configuration"
                  "----------------");

- via_print("Driver Version: 3.35-ac");
+ via_print("Driver Version: 3.36");
          via_print("South Bridge: VIA %s",
                  via_config->name);

@@ -351,6 +340,10 @@
                  ide_timing_compute(peer, peer->current_speed, &p, T, UT);
                  ide_timing_merge(&p, &t, &t, IDE_TIMING_8BIT);
          }
+
+ /* Always use 4 address setup clocks on ATAPI devices */
+ if (drive->media != ide_disk)
+ t.setup = 4;

          via_set_speed(HWIF(drive)->pci_dev, drive->dn, &t);
-->

keep on rockin'
sven

-
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