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Subject[PATCH 3/3] random: Remove kernel blocking API
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This patch removes the kernel blocking API as it has been completely
replaced by the callback API.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

drivers/char/random.c | 12 ------------
include/linux/random.h | 1 -
2 files changed, 13 deletions(-)

diff --git a/drivers/char/random.c b/drivers/char/random.c
index a1576ed..d0da5d8 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1265,18 +1265,6 @@ void get_random_bytes(void *buf, int nbytes)
EXPORT_SYMBOL(get_random_bytes);

/*
- * Equivalent function to get_random_bytes with the difference that this
- * function blocks the request until the nonblocking_pool is initialized.
- */
-void get_blocking_random_bytes(void *buf, int nbytes)
-{
- if (unlikely(nonblocking_pool.initialized == 0))
- wait_event(urandom_init_wait, nonblocking_pool.initialized);
- extract_entropy(&nonblocking_pool, buf, nbytes, 0, 0);
-}
-EXPORT_SYMBOL(get_blocking_random_bytes);
-
-/*
* Add a callback function that will be invoked when the nonblocking
* pool is initialised.
*
diff --git a/include/linux/random.h b/include/linux/random.h
index 30e2aca..e651874 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -21,7 +21,6 @@ extern void add_input_randomness(unsigned int type, unsigned int code,
extern void add_interrupt_randomness(int irq, int irq_flags);

extern void get_random_bytes(void *buf, int nbytes);
-extern void get_blocking_random_bytes(void *buf, int nbytes);
extern int add_random_ready_callback(struct random_ready_callback *rdy);
extern void del_random_ready_callback(struct random_ready_callback *rdy);
extern void get_random_bytes_arch(void *buf, int nbytes);

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