linux-kernel - Re: ahci: sata hotplug doesn't work after suspend

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Date:	Mon, 27 Feb 2012 09:48:42 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	Lin Ming <ming.m.lin@...el.com>
CC:	Holger Macht <holger@...ac.de>, Jiri Slaby <jirislaby@...il.com>,
	Jeff Garzik <jgarzik@...ox.com>, linux-ide@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: ahci: sata hotplug doesn't work after suspend

On 02/27/2012 02:05 AM, Lin Ming wrote:
>> Could you please try below patch?
>>
>> And please also show the debug info.
>> dmesg |grep "DEBUG: port"
>
> Hi Jiri,
>
> Will you get a chance to test this patch?

Yes, yesterday I booted a kernel with that patch, today I resumed from 
suspend. It works fine.

[    3.544423] DEBUG: port 0, PORT_CMD=0x40006
[    3.544445] DEBUG: port 1, PORT_CMD=0x40006
[    3.544467] DEBUG: port 2, PORT_CMD=0x40006
[    3.544489] DEBUG: port 3, PORT_CMD=0x40006
[    3.544511] DEBUG: port 4, PORT_CMD=0x6
[    3.544532] DEBUG: port 5, PORT_CMD=0x6
[ 1724.132173] DEBUG: port 0, PORT_CMD=0x40006
[ 1724.132184] DEBUG: port 1, PORT_CMD=0x40006
[ 1724.132194] DEBUG: port 2, PORT_CMD=0x40006
[ 1724.132204] DEBUG: port 3, PORT_CMD=0x40006
[ 1724.132214] DEBUG: port 4, PORT_CMD=0x6
[ 1724.132222] DEBUG: port 5, PORT_CMD=0x6

thanks,
-- 
js
suse labs
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