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hwrng: timeriomem - Breaks an allyesconfig build on s390:

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From: Linux Kernel Mailing List
Subject: hwrng: timeriomem - Breaks an allyesconfig build on s390:
Date: Thursday, March 26, 2009 - 12:04 pm

Gitweb:     http://git.kernel.org/linus/e88cd6ff2ce14ed7025d253b7f7f468d38415f77
Commit:     e88cd6ff2ce14ed7025d253b7f7f468d38415f77
Parent:     908002161247e6e68c478052926b62d9a3d72418
Author:     Heiko Carstens <heiko.carstens@de.ibm.com>
AuthorDate: Sat Mar 21 14:19:04 2009 +0800
Committer:  Herbert Xu <herbert@gondor.apana.org.au>
CommitDate: Sat Mar 21 14:19:04 2009 +0800

    hwrng: timeriomem - Breaks an allyesconfig build on s390:
    
      CC      drivers/char/hw_random/timeriomem-rng.o
    drivers/char/hw_random/timeriomem-rng.c: In function 'timeriomem_rng_data_read':
    drivers/char/hw_random/timeriomem-rng.c:60: error: implicit declaration of function 'readl'
    
    Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/char/hw_random/Kconfig |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index e86dd42..5fab647 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -22,7 +22,7 @@ config HW_RANDOM
 
 config HW_RANDOM_TIMERIOMEM
 	tristate "Timer IOMEM HW Random Number Generator support"
-	depends on HW_RANDOM
+	depends on HW_RANDOM && HAS_IOMEM
 	---help---
 	  This driver provides kernel-side support for a generic Random
 	  Number Generator used by reading a 'dumb' iomem address that
--


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