pandora: defconfig: update

[pandora-kernel.git] / include / linux / usb.h

diff --git a/include/linux/usb.h b/include/linux/usb.h
index d3d0c13..93629fc 100644 (file)
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -775,6 +775,27 @@ static inline int usb_make_path(struct usb_device *dev, char *buf, size_t size)
        .bInterfaceSubClass = (sc), \
        .bInterfaceProtocol = (pr)
 
+/**
+ * USB_VENDOR_AND_INTERFACE_INFO - describe a specific usb vendor with a class of usb interfaces
+ * @vend: the 16 bit USB Vendor ID
+ * @cl: bInterfaceClass value
+ * @sc: bInterfaceSubClass value
+ * @pr: bInterfaceProtocol value
+ *
+ * This macro is used to create a struct usb_device_id that matches a
+ * specific vendor with a specific class of interfaces.
+ *
+ * This is especially useful when explicitly matching devices that have
+ * vendor specific bDeviceClass values, but standards-compliant interfaces.
+ */
+#define USB_VENDOR_AND_INTERFACE_INFO(vend, cl, sc, pr) \
+       .match_flags = USB_DEVICE_ID_MATCH_INT_INFO \
+               | USB_DEVICE_ID_MATCH_VENDOR, \
+       .idVendor = (vend), \
+       .bInterfaceClass = (cl), \
+       .bInterfaceSubClass = (sc), \
+       .bInterfaceProtocol = (pr)
+
 /* ----------------------------------------------------------------------- */
 
 /* Stuff for dynamic usb ids */
@@ -1221,6 +1242,7 @@ struct urb {
        void *transfer_buffer;          /* (in) associated data buffer */
        dma_addr_t transfer_dma;        /* (in) dma addr for transfer_buffer */
        struct scatterlist *sg;         /* (in) scatter gather buffer list */
+       int num_mapped_sgs;             /* (internal) mapped sg entries */
        int num_sgs;                    /* (in) number of entries in the sg list */
        u32 transfer_buffer_length;     /* (in) data buffer length */
        u32 actual_length;              /* (return) actual transfer length */
@@ -1598,6 +1620,19 @@ usb_maxpacket(struct usb_device *udev, int pipe, int is_out)
 
 /* ----------------------------------------------------------------------- */
 
+/* translate USB error codes to codes user space understands */
+static inline int usb_translate_errors(int error_code)
+{
+       switch (error_code) {
+       case 0:
+       case -ENOMEM:
+       case -ENODEV:
+               return error_code;
+       default:
+               return -EIO;
+       }
+}
+
 /* Events from the usb core */
 #define USB_DEVICE_ADD         0x0001
 #define USB_DEVICE_REMOVE      0x0002