linux-kernel - Re: [PATCH 4/5] pata: Update experimental tags

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Date:	Thu, 19 Nov 2009 14:02:59 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	Alan Cox <alan@...ux.intel.com>, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org
Subject: Re: [PATCH 4/5] pata: Update experimental tags

> BTW we can immediately reclaim 300 LOC by simply merging drivers back..

LoC - lines of comments ? (at least half of them).

Been testing a bit before fixing up the pata_hpt drivers. Resume from S2R
doesn't work with drivers/ide/hpt366.c. So it may have code for resume
but it doesn't actually work for all the chips.

Reason is fairly obvious - the PCI speed detection logic is broken except
for the case of a PC boot where the ROM BIOS for the HPT3xx is run. That
doesn't occur on a resume from RAM so a 66MHz clocked motherboard device
comes back with the speed guessed wrongly.
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