X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fhw_random.h;h=9bede7633f745d7c5bd866d2f46df9a51021f92d;hb=60d9aa758c00f20ade0cb1951f6a934f628dd2d7;hp=7244456e7e6573466f0534857bef00b8b1dbdad7;hpb=d67c6f869c0a7f275689855161c93d714197e052;p=pandora-kernel.git

diff --git a/include/linux/hw_random.h b/include/linux/hw_random.h
index 7244456e7e65..9bede7633f74 100644
--- a/include/linux/hw_random.h
+++ b/include/linux/hw_random.h
@@ -22,10 +22,12 @@
  * @cleanup:		Cleanup callback (can be NULL).
  * @data_present:	Callback to determine if data is available
  *			on the RNG. If NULL, it is assumed that
- *			there is always data available.
+ *			there is always data available.  *OBSOLETE*
  * @data_read:		Read data from the RNG device.
  *			Returns the number of lower random bytes in "data".
- *			Must not be NULL.
+ *			Must not be NULL.    *OSOLETE*
+ * @read:		New API. drivers can fill up to max bytes of data
+ *			into the buffer. The buffer is aligned for any type.
  * @priv:		Private data, for use by the RNG driver.
  */
 struct hwrng {
@@ -34,6 +36,7 @@ struct hwrng {
 	void (*cleanup)(struct hwrng *rng);
 	int (*data_present)(struct hwrng *rng, int wait);
 	int (*data_read)(struct hwrng *rng, u32 *data);
+	int (*read)(struct hwrng *rng, void *data, size_t max, bool wait);
 	unsigned long priv;
 
 	/* internal. */