Staging: hv: add driver_data to hv_vmbus_device_id

This is going to be needed by some drivers that handle more than one
device, like all other bus types do, so prepare for that in advance
before the user/kernel api is used.

Cc:  K. Y. Srinivasan <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 5a123774c2e67fcd22c6be52aeffd620a46b191f..468819cdde87c987fad9294e53dcc5652c508980 100644 (file)
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -410,6 +410,8 @@ struct virtio_device_id {
  */
 struct hv_vmbus_device_id {
        __u8 guid[16];
+       kernel_ulong_t driver_data      /* Data private to the driver */
+                       __attribute__((aligned(sizeof(kernel_ulong_t))));
 };
 
 /* i2c */