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[usb] Allow for wildcard USB class IDs

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Make the class ID a property of the USB driver (rather than a property
of the USB device ID), and allow USB drivers to specify a wildcard ID
for any of the three component IDs (class, subclass, or protocol).

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2015-09-14 17:52:25 +01:00
parent 549a0caabb
commit 668dc73d52
9 changed files with 69 additions and 49 deletions
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7
src/drivers/usb/usbio.c
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@@ -1316,6 +1316,7 @@ static int usbio_supported ( EFI_HANDLE handle ) {
"%s\n", efi_handle_name ( handle ), strerror ( rc ) );
goto err_get_device_descriptor;
}
memset ( &desc, 0, sizeof ( desc ) );
desc.vendor = device.IdVendor;
desc.product = device.IdProduct;
@@ -1327,9 +1328,9 @@ static int usbio_supported ( EFI_HANDLE handle ) {
"%s\n", efi_handle_name ( handle ), strerror ( rc ) );
goto err_get_interface_descriptor;
}
desc.class.class = interface.InterfaceClass;
desc.class.subclass = interface.InterfaceSubClass;
desc.class.protocol = interface.InterfaceProtocol;
desc.class.class.class = interface.InterfaceClass;
desc.class.class.subclass = interface.InterfaceSubClass;
desc.class.class.protocol = interface.InterfaceProtocol;
/* Look for a driver for this interface */
driver = usb_find_driver ( &desc, &id );