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Commitaeebf2b

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hadessgregkh
authored andcommitted
USB: Implement usb_device_match_id()
Match a usb_device with a table of IDs.Signed-off-by: Bastien Nocera <hadess@hadess.net>Acked-by: Alan Stern <stern@rowland.harvard.edu>Link:https://lore.kernel.org/r/20191016093933.693-4-hadess@hadess.netSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 parentc9d5033 commitaeebf2b

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‎drivers/usb/core/driver.c‎

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@@ -800,6 +800,20 @@ const struct usb_device_id *usb_match_id(struct usb_interface *interface,
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}
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EXPORT_SYMBOL_GPL(usb_match_id);
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conststructusb_device_id*usb_device_match_id(structusb_device*udev,
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conststructusb_device_id*id)
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{
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if (!id)
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returnNULL;
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for (;id->idVendor||id->idProduct ;id++) {
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if (usb_match_device(udev,id))
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returnid;
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}
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returnNULL;
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}
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staticintusb_device_match(structdevice*dev,structdevice_driver*drv)
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{
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/* devices and interfaces are handled separately */

‎drivers/usb/core/usb.h‎

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@@ -69,6 +69,8 @@ extern int usb_match_one_id_intf(struct usb_device *dev,
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conststructusb_device_id*id);
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externintusb_match_device(structusb_device*dev,
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conststructusb_device_id*id);
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externconststructusb_device_id*usb_device_match_id(structusb_device*udev,
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conststructusb_device_id*id);
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externvoidusb_forced_unbind_intf(structusb_interface*intf);
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externvoidusb_unbind_and_rebind_marked_interfaces(structusb_device*udev);
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