1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/usb/input/hid.h b/drivers/usb/input/hid.h
index ca3e170ce0b3..d76bbc81f6a8 100644
--- a/drivers/usb/input/hid.h
+++ b/drivers/usb/input/hid.h
@@ -351,7 +351,8 @@ struct hid_report_enum {
 
 #define HID_REPORT_TYPES 3
 
-#define HID_BUFFER_SIZE         64              /* use 64 for compatibility with all possible packetlen */
+#define HID_MIN_BUFFER_SIZE     64              /* make sure there is at least a packet size of space */
+#define HID_MAX_BUFFER_SIZE     4096            /* 4kb */
 #define HID_CONTROL_FIFO_SIZE   256             /* to init devices with >100 reports */
 #define HID_OUTPUT_FIFO_SIZE    64
 
@@ -389,6 +390,8 @@ struct hid_device {							/* device report descriptor */
 
         unsigned long iofl;                                             /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */
 
+        unsigned int bufsize;                                           /* URB buffer size */
+
         struct urb *urbin;                                              /* Input URB */
         char *inbuf;                                                    /* Input buffer */
         dma_addr_t inbuf_dma;                                           /* Input buffer dma */