From: Gerd Hoffmann <kraxel@redhat.com>
To: Hans de Goede <hdegoede@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 03/13] usb-host-libusb: Detach kernel drivers earlier
Date: Wed, 09 Oct 2013 15:35:23 +0200 [thread overview]
Message-ID: <1381325723.12583.108.camel@nilsson.home.kraxel.org> (raw)
In-Reply-To: <52555548.2050106@redhat.com>
Hi,
> > Assuming we have a device with multiple configurations, each
> > configuration has a different set of interfaces, guest switches from one
> > config to another. Do we correctly unbind kernel / claim interfaces
> > then?
>
> Yes we still have a usb_host_detach_kernel() call in the beginning
> of usb_host_claim_interfaces(), which gets run on the new interfaces
> immediately after the libusb_set_configuration call.
Ok, good.
> Doing a detach_kernel after a set_config has always been necessary,
> since the kernel will automatically bind drivers to the new interfaces
> if the set_config succeeds.
Is there some way to avoid the kernel's autobind in the first place btw?
cheers,
Gerd
next prev parent reply other threads:[~2013-10-09 13:35 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-08 19:58 [Qemu-devel] [PATCH 00/13] usb: Add support for bulk streams to usb-host-libusb Hans de Goede
2013-10-08 19:58 ` [Qemu-devel] [PATCH 01/13] usb-host-libusb: Fix reset handling Hans de Goede
2013-10-08 19:58 ` [Qemu-devel] [PATCH 02/13] usb-host-libusb: Configuration 0 may be a valid configuration Hans de Goede
2013-10-08 19:58 ` [Qemu-devel] [PATCH 03/13] usb-host-libusb: Detach kernel drivers earlier Hans de Goede
2013-10-09 8:55 ` Gerd Hoffmann
2013-10-09 13:08 ` Hans de Goede
2013-10-09 13:35 ` Gerd Hoffmann [this message]
2013-10-09 15:34 ` Hans de Goede
2013-10-08 19:58 ` [Qemu-devel] [PATCH 04/13] usb-hcd-xhci: Remove unused sstreamsm member from XHCIStreamContext Hans de Goede
2013-10-08 19:58 ` [Qemu-devel] [PATCH 05/13] usb-hcd-xhci: Remove unused cancelled member from XHCITransfer Hans de Goede
2013-10-08 19:58 ` [Qemu-devel] [PATCH 06/13] usb-hcd-xhci: Report completion of active transfer with CC_STOPPED on ep stop Hans de Goede
2013-10-08 19:58 ` [Qemu-devel] [PATCH 07/13] usb-hcd-xhci: Update endpoint context dequeue pointer for streams too Hans de Goede
2013-10-08 19:58 ` [Qemu-devel] [PATCH 08/13] usb: Add max_streams attribute to endpoint info Hans de Goede
2013-10-08 19:58 ` [Qemu-devel] [PATCH 09/13] usb: Add usb_device_alloc/free_streams Hans de Goede
2013-10-08 19:58 ` [Qemu-devel] [PATCH 10/13] xhci: Call usb_device_alloc/free_streams Hans de Goede
2013-10-08 19:58 ` [Qemu-devel] [PATCH 11/13] usb-host-libusb: Fill in endpoint max_streams when available Hans de Goede
2013-10-08 19:58 ` [Qemu-devel] [PATCH 12/13] usb-host-libusb: Add alloc / free streams ops Hans de Goede
2013-10-08 19:58 ` [Qemu-devel] [PATCH 13/13] usb-host-libusb: Set stream id when submitting bulk-stream transfers Hans de Goede
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