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usb-bus: introduce a wrapper function to check speed

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In this way, we can check speed directly, don't need
call usb_device_attach(), which has other conditions,
such as checking the chardev is open.

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gonglei 2014-09-19 15:25:20 +08:00 • committed by Gerd Hoffmann
parent bd2ba2752d
commit 594a53607e
2 changed files with 14 additions and 1 deletions
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1
include/hw/usb.h
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@ -553,6 +553,7 @@ void usb_release_port(USBDevice *dev);
void usb_device_attach(USBDevice *dev, Error **errp);
int usb_device_detach(USBDevice *dev);
int usb_device_delete_addr(int busnr, int addr);
void usb_check_attach(USBDevice *dev, Error **errp);
static inline USBBus *usb_bus_from_device(USBDevice *d)
{