iommu: msm: Refactor code to separate compilation
Modify the code and update makefile and defconfig to allow us to
only compile one of the two IOMMU drivers that we have. Only one of
the drivers are needed at the same time. This will ensure we are not
compiling and linking code that is not needed.
Change-Id: I7db69f873245e57bddab6625e0b04e2ed48f44b6
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>
diff --git a/arch/arm/mach-msm/include/mach/iommu.h b/arch/arm/mach-msm/include/mach/iommu.h
index 70c696c..68cfb2e 100644
--- a/arch/arm/mach-msm/include/mach/iommu.h
+++ b/arch/arm/mach-msm/include/mach/iommu.h
@@ -21,6 +21,8 @@
extern pgprot_t pgprot_kernel;
extern struct bus_type msm_iommu_sec_bus_type;
+extern struct iommu_access_ops iommu_access_ops_v0;
+extern struct iommu_access_ops iommu_access_ops_v1;
/* Domain attributes */
#define MSM_IOMMU_DOMAIN_PT_CACHEABLE 0x1
@@ -229,6 +231,8 @@
void *msm_iommu_lock_initialize(void);
void msm_iommu_mutex_lock(void);
void msm_iommu_mutex_unlock(void);
+void msm_set_iommu_access_ops(struct iommu_access_ops *ops);
+struct iommu_access_ops *msm_get_iommu_access_ops(void);
#else
static inline void *msm_iommu_lock_initialize(void)
{
@@ -236,6 +240,14 @@
}
static inline void msm_iommu_mutex_lock(void) { }
static inline void msm_iommu_mutex_unlock(void) { }
+static inline void msm_set_iommu_access_ops(struct iommu_access_ops *ops)
+{
+
+}
+static inline struct iommu_access_ops *msm_get_iommu_access_ops(void)
+{
+ return NULL;
+}
#endif
#ifdef CONFIG_MSM_IOMMU_GPU_SYNC