From: Tejun Heo <tj@kernel.org>
To: viresh kumar <viresh.kumar@st.com>
Cc: "linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>
Subject: Re: ata: hotplug not working with arasan CF controller driver
Date: Thu, 02 Dec 2010 11:44:06 +0100 [thread overview]
Message-ID: <4CF77876.9030703@kernel.org> (raw)
In-Reply-To: <4CF777D0.4010603@st.com>
On 12/02/2010 11:41 AM, viresh kumar wrote:
> On 11/26/2010 10:55 PM, Tejun Heo wrote:
>> You gotta tell EH that the device needs rescanning. When you detect a
>> hotplug event, call ata_ehi_hotplugged() followed by
>> ata_port_freeze().
>
> Do you want to say, we need to call above routines for both hotplugging
> events: card insert and remove??
Yes.
> Actually i am getting following messages on insert:
>
> ata1: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xe frozen
> ata1: soft resetting link
> ata1.00: CFA: TRANSCEND, 20091215, max UDMA/66
> ata1.00: 62537328 sectors, multi 0: LBA
> ata1.00: configured for PIO6
> ata1.00: configured for PIO6
> ata1: EH complete
> scsi 0:0:0:0: Direct-Access ATA TRANSCEND 2009 PQ: 0 ANSI: 5
> sd 0:0:0:0: [sda] 62537328 512-byte logical blocks: (32.0 GB/29.8 GiB)
> sd 0:0:0:0: [sda] Write Protect is off
> sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
> sda:
> sd 0:0:0:0: Attached scsi generic sg0 type 0
> sda1
> sd 0:0:0:0: [sda] Attached SCSI disk
>
>
> and following messages on card remove:
>
> ata1: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xe frozen
> ata1: soft resetting link
> ata1.00: revalidation failed (errno=-2)
> ata1: soft resetting link
> ata1.00: revalidation failed (errno=-2)
> ata1: soft resetting link
> ata1.00: revalidation failed (errno=-2)
> ata1.00: disabled
> ata1: soft resetting link
> ata1: EH complete
> ata1.00: detaching (SCSI 0:0:0:0)
> sd 0:0:0:0: [sda] Stopping disk
> sd 0:0:0:0: [sda] START_STOP FAILED
> sd 0:0:0:0: [sda] Result: hostbyte=0x04 driverbyte=0x00
>
> For me, card insertion messages are fine, but I am not sure if card removal
> messages are fine??
Yes, they are expected.
Thanks.
--
tejun
prev parent reply other threads:[~2010-12-02 10:44 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-22 10:54 ata: hotplug not working with arasan CF controller driver Viresh Kumar
2010-11-24 5:44 ` viresh kumar
2010-11-26 17:25 ` Tejun Heo
2010-11-29 3:48 ` viresh kumar
2010-12-02 10:41 ` viresh kumar
2010-12-02 10:44 ` Tejun Heo [this message]
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