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Groups > linux.kernel > #1160975

nios2: Export get_cycles

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On Mon, Jun 08, 2015 at 09:31:54PM -0700, Guenter Roeck wrote:
> 
> nios2 still fails to build with
> 
> ERROR: "get_cycles" [crypto/jitterentropy.ko] undefined!

It's the only arch that doesn't inline get_cycles and doesn't
export it.

---8<---
nios2 is the only architecture that does not inline get_cycles
and does not export it.  This breaks crypto as it uses get_cycles
in a number of modules.

Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/arch/nios2/kernel/time.c b/arch/nios2/kernel/time.c
index 7f45474..be186a7 100644
--- a/arch/nios2/kernel/time.c
+++ b/arch/nios2/kernel/time.c
@@ -8,6 +8,7 @@
  * for more details.
  */
 
+#include <linux/export.h>
 #include <linux/interrupt.h>
 #include <linux/clockchips.h>
 #include <linux/clocksource.h>
@@ -106,6 +107,7 @@ cycles_t get_cycles(void)
 {
 	return nios2_timer_read(&nios2_cs.cs);
 }
+EXPORT_SYMBOL(get_cycles);
 
 static void nios2_timer_start(struct nios2_timer *timer)
 {
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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Re: [PATCH] crypto: drbg - use pragmas for disabling optimization Guenter Roeck <linux@roeck-us.net> - 2015-06-09 06:40 +0200
  nios2: Export get_cycles Herbert Xu <herbert@gondor.apana.org.au> - 2015-06-09 06:50 +0200

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