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: Fri, 26 Nov 2010 18:25:38 +0100 [thread overview]
Message-ID: <4CEFED92.7050701@kernel.org> (raw)
In-Reply-To: <4CECA643.2010005@st.com>
On 11/24/2010 06:44 AM, viresh kumar wrote:
> On 11/22/2010 04:24 PM, Viresh KUMAR wrote:
>> I am writing arasan CF controller driver (pio mode). Hotplug is not working
>> with my driver and i can't find the reason for this. What i am expecting is,
>> inserting CF card on already booted machine should add /dev/sd* node for CF
>> card and removing card should remove /dev/sd* node. If i insert card before
>> booting my board and then start my board, things work fine. I am able to mount,
>> read, write, unmount. But hotplug is not working.
>>
>> I am working on linux-2.6.32.
>>
>> Can somebody please help me on this??
>
> Guys,
>
> Any help on this??
You gotta tell EH that the device needs rescanning. When you detect a
hotplug event, call ata_ehi_hotplugged() followed by
ata_port_freeze().
--
tejun
next prev parent reply other threads:[~2010-11-26 17:25 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 [this message]
2010-11-29 3:48 ` viresh kumar
2010-12-02 10:41 ` viresh kumar
2010-12-02 10:44 ` Tejun Heo
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