From: Lan Tianyu <tianyu.lan@intel.com>
To: Oliver Neukum <oneukum@suse.de>
Cc: lenb@kernel.org, gregkh@linuxfoundation.org,
linux-usb@vger.kernel.org, linux-acpi@vger.kernel.org,
stern@rowland.harvard.edu, sarah.a.sharp@linux.intel.com,
mjg59@srcf.ucam.org, mfm@muteddisk.com,
Matthew Garrett <mjg@redhat.com>
Subject: Re: [Resend PATCH V2 3/7] usb: Set device removable state based on ACPI USB data
Date: Mon, 07 May 2012 09:38:15 +0800 [thread overview]
Message-ID: <4FA72787.5000106@intel.com> (raw)
In-Reply-To: <201205040824.17010.oneukum@suse.de>
On 2012年05月04日 14:24, Oliver Neukum wrote:
> Am Freitag, 4. Mai 2012, 05:06:39 schrieb Lan Tianyu:
>>
>> From: Matthew Garrett<mjg@redhat.com>
>>
>> ACPI offers two methods that allow us to infer whether or not a USB port
>> is removable. The _PLD method gives us information on whether the port is
>> "user visible" or not. If that's not present then we can fall back to the
>> _UPC method which tells us whether or not a port is connectable.
>
> How does this act on bluetooth devices that are (dis)connected by switches
> on laptops?
This depends on the bios. From my opinion, the bluetooth is device on the
motherboard so it belongs to hard-wired type.
>
> Regards
> Oliver
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--
Best Regards
Tianyu Lan
linux kernel enabling team
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next prev parent reply other threads:[~2012-05-07 1:43 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-04 3:06 [Resend PATCH V2 0/7] usb/acpi: Add binding usb device with acpi Lan Tianyu
2012-05-04 3:06 ` [Resend PATCH V2 1/7] ACPI: Add _PLD support Lan Tianyu
2012-05-04 6:18 ` Oliver Neukum
2012-05-04 3:06 ` [Resend PATCH V2 2/7] usb: Bind devices to ACPI devices when possible Lan Tianyu
[not found] ` <1336100803-28353-3-git-send-email-tianyu.lan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2012-05-05 0:21 ` Greg KH
2012-05-05 5:26 ` Matthew Garrett
2012-05-05 11:14 ` Sergei Shtylyov
2012-05-05 14:47 ` Greg KH
2012-05-05 15:00 ` Matthew Garrett
[not found] ` <1336100803-28353-1-git-send-email-tianyu.lan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2012-05-04 3:06 ` [Resend PATCH V2 3/7] usb: Set device removable state based on ACPI USB data Lan Tianyu
2012-05-04 6:24 ` Oliver Neukum
2012-05-07 1:38 ` Lan Tianyu [this message]
2012-05-07 16:57 ` Greg KH
[not found] ` <20120507165744.GA28045-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2012-05-08 2:58 ` Matthew Garrett
2012-05-08 8:52 ` Lan Tianyu
2012-05-08 20:23 ` Len Brown
[not found] ` <4FA980C9.4020107-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2012-05-09 1:00 ` Lan Tianyu
2012-05-08 17:31 ` Greg KH
2012-05-09 2:49 ` Lan Tianyu
2012-05-04 3:06 ` [Resend PATCH V2 4/7] usb: add struct usb_hub_port to store port related members Lan Tianyu
2012-05-04 3:06 ` [Resend PATCH V2 6/7] usb/acpi: add the support of usb hub ports' acpi binding without attached devices Lan Tianyu
2012-05-04 3:06 ` [Resend PATCH V2 7/7] usb/acpi: add usb check for the connect type of usb port Lan Tianyu
2012-05-04 6:37 ` Oliver Neukum
2012-05-07 1:37 ` Lan Tianyu
2012-05-04 3:17 ` [Resend PATCH V2 0/7] usb/acpi: Add binding usb device with acpi Matthew Garrett
[not found] ` <20120504031720.GA6840-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2012-05-04 3:20 ` Greg KH
2012-05-04 3:06 ` [Resend PATCH V2 5/7] usb: move struct usb_device->children to struct usb_hub_port->child Lan Tianyu
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