[PATCH] remove stale add_blkdev_randomness() uses

[Robert Love <rml@tech9.net>]

add_blkdev_randomness() is long gone, so remove stale comments and a
lone remaining reference.

Patch is against current BK.  Linus, please apply.

	Robert Love


 drivers/char/random.c         |    3 ---
 drivers/s390/char/tapeblock.c |    6 +-----
 2 files changed, 1 insertion(+), 8 deletions(-)


diff -urN linux-2.5.50/drivers/char/random.c linux/drivers/char/random.c
--- linux-2.5.50/drivers/char/random.c	2002-11-27 17:35:49.000000000 -0500
+++ linux/drivers/char/random.c	2002-12-08 17:15:06.000000000 -0500
@@ -128,7 +128,6 @@
  * 	void add_keyboard_randomness(unsigned char scancode);
  * 	void add_mouse_randomness(__u32 mouse_data);
  * 	void add_interrupt_randomness(int irq);
- * 	void add_blkdev_randomness(int irq);
  * 
  * add_keyboard_randomness() uses the inter-keypress timing, as well as the
  * scancode as random inputs into the "entropy pool".
@@ -144,8 +143,6 @@
  * a better measure, since the timing of the disk interrupts are more
  * unpredictable.
  * 
- * add_blkdev_randomness() times the finishing time of block requests.
- * 
  * All of these routines try to estimate how many bits of randomness a
  * particular randomness source.  They do this by keeping track of the
  * first and second order deltas of the event timings.
diff -urN linux-2.5.50/drivers/s390/char/tapeblock.c linux/drivers/s390/char/tapeblock.c
--- linux-2.5.50/drivers/s390/char/tapeblock.c	2002-11-27 17:36:21.000000000 -0500
+++ linux/drivers/s390/char/tapeblock.c	2002-12-08 19:59:18.000000000 -0500
@@ -253,12 +253,8 @@
 	bh->b_reqnext = NULL;
 	bh->b_end_io (bh, uptodate);
     }
-    if (!end_that_request_first (td->blk_data.current_request, uptodate, "tBLK")) {
-#ifndef DEVICE_NO_RANDOM
-	add_blkdev_randomness (MAJOR (td->blk_data.current_request->rq_dev));
-#endif
+    if (!end_that_request_first (td->blk_data.current_request, uptodate, "tBLK"))
 	end_that_request_last (td->blk_data.current_request);
-    }
     if (treq!=NULL) {
 	    tape_remove_ccw_req(td,treq);
 	    td->discipline->free_bread(treq);