linux-kernel - [PATCH 3/3] Fix compile error in drivers/gpu/drm/msm/msm

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Date:	Wed, 25 Sep 2013 16:49:42 +0200
From:	Joerg Roedel <joro@...tes.org>
To:	Stephen Boyd <sboyd@...eaurora.org>
Cc:	David Airlie <airlied@...ux.ie>, Rob Clark <robdclark@...il.com>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	iommu@...ts.linux-foundation.org, Joerg Roedel <joro@...tes.org>
Subject: [PATCH 3/3] Fix compile error in drivers/gpu/drm/msm/msm_drv.c with IOMMU disabled

The function msm_iommu_get_ctx() is needed buy the MSM-GPU
driver with and wiithout IOMMU compiled in. Make the
function available when no IOMMU driver is there.

Signed-off-by: Joerg Roedel <joro@...tes.org>
---
 drivers/iommu/msm_iommu.h |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/iommu/msm_iommu.h b/drivers/iommu/msm_iommu.h
index 5c7c955..da53558 100644
--- a/drivers/iommu/msm_iommu.h
+++ b/drivers/iommu/msm_iommu.h
@@ -108,7 +108,14 @@ struct msm_iommu_ctx_drvdata {
  * Useful for testing and drivers that do not yet fully have IOMMU stuff in
  * their platform devices.
  */
+#ifdef CONFIG_MSM_IOMMU
 struct device *msm_iommu_get_ctx(const char *ctx_name);
+#else
+static inline struct device *msm_iommu_get_ctx(const char *ctx_name)
+{
+	return NULL;
+}
+#endif
 
 /*
  * Interrupt handler for the IOMMU context fault interrupt. Hooking the
-- 
1.7.9.5


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