[ 20/26] USB: storage: Define a new macro for USB storage match rules

From: Greg Kroah-Hartman
Date: Thu Feb 07 2013 - 20:05:00 EST


3.4-stable review patch. If anyone has any objections, please let me know.

------------------

From: fangxiaozhi <huananhu@xxxxxxxxxx>

commit 07c7be3d87e5cdaf5f94c271c516456364ef286c upstream.

1. Define a new macro for USB storage match rules:
matching with Vendor ID and interface descriptors.

Signed-off-by: fangxiaozhi <huananhu@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/usb/storage/usb.c | 12 ++++++++++++
drivers/usb/storage/usual-tables.c | 15 +++++++++++++++
2 files changed, 27 insertions(+)

--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -120,6 +120,17 @@ MODULE_PARM_DESC(quirks, "supplemental l
.useTransport = use_transport, \
}

+#define UNUSUAL_VENDOR_INTF(idVendor, cl, sc, pr, \
+ vendor_name, product_name, use_protocol, use_transport, \
+ init_function, Flags) \
+{ \
+ .vendorName = vendor_name, \
+ .productName = product_name, \
+ .useProtocol = use_protocol, \
+ .useTransport = use_transport, \
+ .initFunction = init_function, \
+}
+
static struct us_unusual_dev us_unusual_dev_list[] = {
# include "unusual_devs.h"
{ } /* Terminating entry */
@@ -131,6 +142,7 @@ static struct us_unusual_dev for_dynamic
#undef UNUSUAL_DEV
#undef COMPLIANT_DEV
#undef USUAL_DEV
+#undef UNUSUAL_VENDOR_INTF

#ifdef CONFIG_LOCKDEP

--- a/drivers/usb/storage/usual-tables.c
+++ b/drivers/usb/storage/usual-tables.c
@@ -46,6 +46,20 @@
{ USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, useProto, useTrans), \
.driver_info = ((useType)<<24) }

+/* Define the device is matched with Vendor ID and interface descriptors */
+#define UNUSUAL_VENDOR_INTF(id_vendor, cl, sc, pr, \
+ vendorName, productName, useProtocol, useTransport, \
+ initFunction, flags) \
+{ \
+ .match_flags = USB_DEVICE_ID_MATCH_INT_INFO \
+ | USB_DEVICE_ID_MATCH_VENDOR, \
+ .idVendor = (id_vendor), \
+ .bInterfaceClass = (cl), \
+ .bInterfaceSubClass = (sc), \
+ .bInterfaceProtocol = (pr), \
+ .driver_info = (flags) \
+}
+
struct usb_device_id usb_storage_usb_ids[] = {
# include "unusual_devs.h"
{ } /* Terminating entry */
@@ -57,6 +71,7 @@ MODULE_DEVICE_TABLE(usb, usb_storage_usb
#undef UNUSUAL_DEV
#undef COMPLIANT_DEV
#undef USUAL_DEV
+#undef UNUSUAL_VENDOR_INTF


/*


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