Messages in this thread | | | From | Bartlomiej Zolnierkiewicz <> | Subject | Re: [PATCH 2/2] Revert "Revert "ide: try to use PIO Mode 0 during probe if possible"" | Date | Wed, 7 Oct 2009 00:52:37 +0200 |
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On Wednesday 07 October 2009 00:41:20 David Miller wrote: > From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> > Date: Wed, 7 Oct 2009 00:27:45 +0200 > > > The root cause of reported system hangs was (now fixed) sis5513 bug > > and not "ide: try to use PIO Mode 0 during probe if possible" change > > (commit 6029336426a2b43e4bc6f4a84be8789a047d139e) so the revert was > > incorrect (it simply replaced one regression with the other one). > > What is this older "regression" fixed by the PIO-0 change? > > You're not explaining it and neither does the commit message for the > PIO-0 change.
It does:
| Subject: [PATCH] sis5513: fix PIO setup for ATAPI devices | | Clear prefetch setting before potentially (re-)enabling it in | config_drive_art_rwp() so the transition of the device type on | the port from ATA to ATAPI (i.e. during warm-plug operation) | is handled correctly.
and the empty port defaults to ATA-like behavior for the initial PIO setup.
> Please, fill us in :-)
Just connect the dots.. :)
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