Merge branch 'hotfixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...

[pandora-kernel.git] / drivers / net / wireless / rt2x00 / rt2x00usb.c

diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
index 83862e7..933e6cc 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
@@ -122,6 +122,38 @@ int rt2x00usb_vendor_request_buff(struct rt2x00_dev *rt2x00dev,
 }
 EXPORT_SYMBOL_GPL(rt2x00usb_vendor_request_buff);
 
+int rt2x00usb_vendor_request_large_buff(struct rt2x00_dev *rt2x00dev,
+                                       const u8 request, const u8 requesttype,
+                                       const u16 offset, void *buffer,
+                                       const u16 buffer_length,
+                                       const int timeout)
+{
+       int status = 0;
+       unsigned char *tb;
+       u16 off, len, bsize;
+
+       mutex_lock(&rt2x00dev->usb_cache_mutex);
+
+       tb  = buffer;
+       off = offset;
+       len = buffer_length;
+       while (len && !status) {
+               bsize = min_t(u16, CSR_CACHE_SIZE, len);
+               status = rt2x00usb_vendor_req_buff_lock(rt2x00dev, request,
+                                                       requesttype, off, tb,
+                                                       bsize, timeout);
+
+               tb  += bsize;
+               len -= bsize;
+               off += bsize;
+       }
+
+       mutex_unlock(&rt2x00dev->usb_cache_mutex);
+
+       return status;
+}
+EXPORT_SYMBOL_GPL(rt2x00usb_vendor_request_large_buff);
+
 /*
  * TX data handlers.
  */