From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Tue, 15 Nov 2011 09:13:24 +0000 (+0100)
Subject: virtio: add HAS_IOMEM dependency to MMIO platform bus driver
X-Git-Tag: v3.2-rc3~1^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bd20817f733ceb0291e0449106307ffc939006ba;p=platform%2Fkernel%2Flinux-exynos.git

virtio: add HAS_IOMEM dependency to MMIO platform bus driver

Fix this compile error on s390:

  CC [M]  drivers/virtio/virtio_mmio.o
drivers/virtio/virtio_mmio.c: In function 'vm_get_features':
drivers/virtio/virtio_mmio.c:107:2: error: implicit declaration of function 'writel'

Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---

diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
index 816ed08..1a61939 100644
--- a/drivers/virtio/Kconfig
+++ b/drivers/virtio/Kconfig
@@ -37,7 +37,7 @@ config VIRTIO_BALLOON
 
  config VIRTIO_MMIO
  	tristate "Platform bus driver for memory mapped virtio devices (EXPERIMENTAL)"
- 	depends on EXPERIMENTAL
+ 	depends on HAS_IOMEM && EXPERIMENTAL
  	select VIRTIO
  	select VIRTIO_RING
  	---help---