13 files changed, 208 insertions, 189 deletions

diff --git a/arch/arm/mach-omap2/iommu2.c b/arch/arm/mach-omap2/iommu2.c
index f286012783c6..eefc37912ef3 100644
--- a/arch/arm/mach-omap2/iommu2.c
+++ b/arch/arm/mach-omap2/iommu2.c
@@ -66,7 +66,7 @@
          ((pgsz) == MMU_CAM_PGSZ_4K)  ? 0xfffff000 : 0)
 
 
-static void __iommu_set_twl(struct iommu *obj, bool on)
+static void __iommu_set_twl(struct omap_iommu *obj, bool on)
 {
         u32 l = iommu_read_reg(obj, MMU_CNTL);
 
@@ -85,7 +85,7 @@ static void __iommu_set_twl(struct iommu *obj, bool on)
 }
 
 
-static int omap2_iommu_enable(struct iommu *obj)
+static int omap2_iommu_enable(struct omap_iommu *obj)
 {
         u32 l, pa;
         unsigned long timeout;
@@ -127,7 +127,7 @@ static int omap2_iommu_enable(struct iommu *obj)
         return 0;
 }
 
-static void omap2_iommu_disable(struct iommu *obj)
+static void omap2_iommu_disable(struct omap_iommu *obj)
 {
         u32 l = iommu_read_reg(obj, MMU_CNTL);
 
@@ -138,12 +138,12 @@ static void omap2_iommu_disable(struct iommu *obj)
         dev_dbg(obj->dev, "%s is shutting down\n", obj->name);
 }
 
-static void omap2_iommu_set_twl(struct iommu *obj, bool on)
+static void omap2_iommu_set_twl(struct omap_iommu *obj, bool on)
 {
         __iommu_set_twl(obj, false);
 }
 
-static u32 omap2_iommu_fault_isr(struct iommu *obj, u32 *ra)
+static u32 omap2_iommu_fault_isr(struct omap_iommu *obj, u32 *ra)
 {
         u32 stat, da;
         u32 errs = 0;
@@ -173,13 +173,13 @@ static u32 omap2_iommu_fault_isr(struct iommu *obj, u32 *ra)
         return errs;
 }
 
-static void omap2_tlb_read_cr(struct iommu *obj, struct cr_regs *cr)
+static void omap2_tlb_read_cr(struct omap_iommu *obj, struct cr_regs *cr)
 {
         cr->cam = iommu_read_reg(obj, MMU_READ_CAM);
         cr->ram = iommu_read_reg(obj, MMU_READ_RAM);
 }
 
-static void omap2_tlb_load_cr(struct iommu *obj, struct cr_regs *cr)
+static void omap2_tlb_load_cr(struct omap_iommu *obj, struct cr_regs *cr)
 {
         iommu_write_reg(obj, cr->cam | MMU_CAM_V, MMU_CAM);
         iommu_write_reg(obj, cr->ram, MMU_RAM);
@@ -193,7 +193,8 @@ static u32 omap2_cr_to_virt(struct cr_regs *cr)
         return cr->cam & mask;
 }
 
-static struct cr_regs *omap2_alloc_cr(struct iommu *obj, struct iotlb_entry *e)
+static struct cr_regs *omap2_alloc_cr(struct omap_iommu *obj,
+                                                struct iotlb_entry *e)
 {
         struct cr_regs *cr;
 
@@ -230,7 +231,8 @@ static u32 omap2_get_pte_attr(struct iotlb_entry *e)
         return attr;
 }
 
-static ssize_t omap2_dump_cr(struct iommu *obj, struct cr_regs *cr, char *buf)
+static ssize_t
+omap2_dump_cr(struct omap_iommu *obj, struct cr_regs *cr, char *buf)
 {
         char *p = buf;
 
@@ -254,7 +256,8 @@ static ssize_t omap2_dump_cr(struct iommu *obj, struct cr_regs *cr, char *buf)
                         goto out;                                       \
         } while (0)
 
-static ssize_t omap2_iommu_dump_ctx(struct iommu *obj, char *buf, ssize_t len)
+static ssize_t
+omap2_iommu_dump_ctx(struct omap_iommu *obj, char *buf, ssize_t len)
 {
         char *p = buf;
 
@@ -280,7 +283,7 @@ out:
         return p - buf;
 }
 
-static void omap2_iommu_save_ctx(struct iommu *obj)
+static void omap2_iommu_save_ctx(struct omap_iommu *obj)
 {
         int i;
         u32 *p = obj->ctx;
@@ -293,7 +296,7 @@ static void omap2_iommu_save_ctx(struct iommu *obj)
         BUG_ON(p[0] != IOMMU_ARCH_VERSION);
 }
 
-static void omap2_iommu_restore_ctx(struct iommu *obj)
+static void omap2_iommu_restore_ctx(struct omap_iommu *obj)
 {
         int i;
         u32 *p = obj->ctx;
@@ -343,13 +346,13 @@ static const struct iommu_functions omap2_iommu_ops = {
 
 static int __init omap2_iommu_init(void)
 {
-        return install_iommu_arch(&omap2_iommu_ops);
+        return omap_install_iommu_arch(&omap2_iommu_ops);
 }
 module_init(omap2_iommu_init);
 
 static void __exit omap2_iommu_exit(void)
 {
-        uninstall_iommu_arch(&omap2_iommu_ops);
+        omap_uninstall_iommu_arch(&omap2_iommu_ops);
 }
 module_exit(omap2_iommu_exit);
 
diff --git a/arch/arm/plat-omap/include/plat/iommu.h b/arch/arm/plat-omap/include/plat/iommu.h
index 9ae1e279864a..7f1df0e18d51 100644
--- a/arch/arm/plat-omap/include/plat/iommu.h
+++ b/arch/arm/plat-omap/include/plat/iommu.h
@@ -25,7 +25,7 @@ struct iotlb_entry {
         };
 };
 
-struct iommu {
+struct omap_iommu {
         const char      *name;
         struct module   *owner;
         struct clk      *clk;
@@ -48,7 +48,7 @@ struct iommu {
         struct list_head        mmap;
         struct mutex            mmap_lock; /* protect mmap */
 
-        int (*isr)(struct iommu *obj, u32 da, u32 iommu_errs, void *priv);
+        int (*isr)(struct omap_iommu *obj, u32 da, u32 iommu_errs, void *priv);
 
         void *ctx; /* iommu context: registres saved area */
         u32 da_start;
@@ -81,25 +81,27 @@ struct iotlb_lock {
 struct iommu_functions {
         unsigned long   version;
 
-        int (*enable)(struct iommu *obj);
-        void (*disable)(struct iommu *obj);
-        void (*set_twl)(struct iommu *obj, bool on);
-        u32 (*fault_isr)(struct iommu *obj, u32 *ra);
+        int (*enable)(struct omap_iommu *obj);
+        void (*disable)(struct omap_iommu *obj);
+        void (*set_twl)(struct omap_iommu *obj, bool on);
+        u32 (*fault_isr)(struct omap_iommu *obj, u32 *ra);
 
-        void (*tlb_read_cr)(struct iommu *obj, struct cr_regs *cr);
-        void (*tlb_load_cr)(struct iommu *obj, struct cr_regs *cr);
+        void (*tlb_read_cr)(struct omap_iommu *obj, struct cr_regs *cr);
+        void (*tlb_load_cr)(struct omap_iommu *obj, struct cr_regs *cr);
 
-        struct cr_regs *(*alloc_cr)(struct iommu *obj, struct iotlb_entry *e);
+        struct cr_regs *(*alloc_cr)(struct omap_iommu *obj,
+                                                        struct iotlb_entry *e);
         int (*cr_valid)(struct cr_regs *cr);
         u32 (*cr_to_virt)(struct cr_regs *cr);
         void (*cr_to_e)(struct cr_regs *cr, struct iotlb_entry *e);
-        ssize_t (*dump_cr)(struct iommu *obj, struct cr_regs *cr, char *buf);
+        ssize_t (*dump_cr)(struct omap_iommu *obj, struct cr_regs *cr,
+                                                        char *buf);
 
         u32 (*get_pte_attr)(struct iotlb_entry *e);
 
-        void (*save_ctx)(struct iommu *obj);
-        void (*restore_ctx)(struct iommu *obj);
-        ssize_t (*dump_ctx)(struct iommu *obj, char *buf, ssize_t len);
+        void (*save_ctx)(struct omap_iommu *obj);
+        void (*restore_ctx)(struct omap_iommu *obj);
+        ssize_t (*dump_ctx)(struct omap_iommu *obj, char *buf, ssize_t len);
 };
 
 struct iommu_platform_data {
@@ -150,28 +152,31 @@ struct iommu_platform_data {
 /*
  * global functions
  */
-extern u32 iommu_arch_version(void);
+extern u32 omap_iommu_arch_version(void);
 
-extern void iotlb_cr_to_e(struct cr_regs *cr, struct iotlb_entry *e);
+extern void omap_iotlb_cr_to_e(struct cr_regs *cr, struct iotlb_entry *e);
 
-extern int iopgtable_store_entry(struct iommu *obj, struct iotlb_entry *e);
+extern int
+omap_iopgtable_store_entry(struct omap_iommu *obj, struct iotlb_entry *e);
 
-extern int iommu_set_isr(const char *name,
-                         int (*isr)(struct iommu *obj, u32 da, u32 iommu_errs,
+extern int omap_iommu_set_isr(const char *name,
+                 int (*isr)(struct omap_iommu *obj, u32 da, u32 iommu_errs,
                                     void *priv),
                          void *isr_priv);
 
-extern void iommu_save_ctx(struct iommu *obj);
-extern void iommu_restore_ctx(struct iommu *obj);
+extern void omap_iommu_save_ctx(struct omap_iommu *obj);
+extern void omap_iommu_restore_ctx(struct omap_iommu *obj);
 
-extern int install_iommu_arch(const struct iommu_functions *ops);
-extern void uninstall_iommu_arch(const struct iommu_functions *ops);
+extern int omap_install_iommu_arch(const struct iommu_functions *ops);
+extern void omap_uninstall_iommu_arch(const struct iommu_functions *ops);
 
-extern int foreach_iommu_device(void *data,
+extern int omap_foreach_iommu_device(void *data,
                                 int (*fn)(struct device *, void *));
 
-extern ssize_t iommu_dump_ctx(struct iommu *obj, char *buf, ssize_t len);
-extern size_t dump_tlb_entries(struct iommu *obj, char *buf, ssize_t len);
+extern ssize_t
+omap_iommu_dump_ctx(struct omap_iommu *obj, char *buf, ssize_t len);
+extern size_t
+omap_dump_tlb_entries(struct omap_iommu *obj, char *buf, ssize_t len);
 struct device *omap_find_iommu_device(const char *name);
 
 #endif /* __MACH_IOMMU_H */
diff --git a/arch/arm/plat-omap/include/plat/iommu2.h b/arch/arm/plat-omap/include/plat/iommu2.h
index 10ad05f410e9..d4116b595e40 100644
--- a/arch/arm/plat-omap/include/plat/iommu2.h
+++ b/arch/arm/plat-omap/include/plat/iommu2.h
@@ -83,12 +83,12 @@
 /*
  * register accessors
  */
-static inline u32 iommu_read_reg(struct iommu *obj, size_t offs)
+static inline u32 iommu_read_reg(struct omap_iommu *obj, size_t offs)
 {
         return __raw_readl(obj->regbase + offs);
 }
 
-static inline void iommu_write_reg(struct iommu *obj, u32 val, size_t offs)
+static inline void iommu_write_reg(struct omap_iommu *obj, u32 val, size_t offs)
 {
         __raw_writel(val, obj->regbase + offs);
 }
diff --git a/arch/arm/plat-omap/include/plat/iopgtable.h b/arch/arm/plat-omap/include/plat/iopgtable.h
index 33c7aa986f53..66a813977d52 100644
--- a/arch/arm/plat-omap/include/plat/iopgtable.h
+++ b/arch/arm/plat-omap/include/plat/iopgtable.h
@@ -115,6 +115,6 @@ static inline u32 iotlb_init_entry(struct iotlb_entry *e, u32 da, u32 pa,
 }
 
 #define to_iommu(dev)                                                   \
-        (struct iommu *)platform_get_drvdata(to_platform_device(dev))
+        (struct omap_iommu *)platform_get_drvdata(to_platform_device(dev))
 
 #endif /* __PLAT_OMAP_IOMMU_H */
diff --git a/arch/arm/plat-omap/include/plat/iovmm.h b/arch/arm/plat-omap/include/plat/iovmm.h
index fc9aa6fe590f..6af1a91c0f36 100644
--- a/arch/arm/plat-omap/include/plat/iovmm.h
+++ b/arch/arm/plat-omap/include/plat/iovmm.h
@@ -16,7 +16,7 @@
 #include <linux/iommu.h>
 
 struct iovm_struct {
-        struct iommu            *iommu; /* iommu object which this belongs to */
+        struct omap_iommu       *iommu; /* iommu object which this belongs to */
         u32                     da_start; /* area definition */
         u32                     da_end;
         u32                     flags; /* IOVMF_: see below */
@@ -72,15 +72,18 @@ struct iovm_struct {
 #define IOVMF_DA_FIXED          (1 << (4 + IOVMF_SW_SHIFT))
 
 
-extern struct iovm_struct *find_iovm_area(struct iommu *obj, u32 da);
-extern u32 iommu_vmap(struct iommu_domain *domain, struct iommu *obj, u32 da,
+extern struct iovm_struct *omap_find_iovm_area(struct omap_iommu *obj, u32 da);
+extern u32
+omap_iommu_vmap(struct iommu_domain *domain, struct omap_iommu *obj, u32 da,
                         const struct sg_table *sgt, u32 flags);
-extern struct sg_table *iommu_vunmap(struct iommu_domain *domain,
-                                struct iommu *obj, u32 da);
-extern u32 iommu_vmalloc(struct iommu_domain *domain, struct iommu *obj,
+extern struct sg_table *omap_iommu_vunmap(struct iommu_domain *domain,
+                                struct omap_iommu *obj, u32 da);
+extern u32
+omap_iommu_vmalloc(struct iommu_domain *domain, struct omap_iommu *obj,
                                 u32 da, size_t bytes, u32 flags);
-extern void iommu_vfree(struct iommu_domain *domain, struct iommu *obj,
+extern void
+omap_iommu_vfree(struct iommu_domain *domain, struct omap_iommu *obj,
                                 const u32 da);
-extern void *da_to_va(struct iommu *obj, u32 da);
+extern void *omap_da_to_va(struct omap_iommu *obj, u32 da);
 
 #endif /* __IOMMU_MMAP_H */
diff --git a/drivers/iommu/omap-iommu-debug.c b/drivers/iommu/omap-iommu-debug.c
index 0f8c8dd55018..9c192e79f806 100644
--- a/drivers/iommu/omap-iommu-debug.c
+++ b/drivers/iommu/omap-iommu-debug.c
@@ -32,7 +32,7 @@ static struct dentry *iommu_debug_root;
 static ssize_t debug_read_ver(struct file *file, char __user *userbuf,
                               size_t count, loff_t *ppos)
 {
-        u32 ver = iommu_arch_version();
+        u32 ver = omap_iommu_arch_version();
         char buf[MAXCOLUMN], *p = buf;
 
         p += sprintf(p, "H/W version: %d.%d\n", (ver >> 4) & 0xf , ver & 0xf);
@@ -43,7 +43,7 @@ static ssize_t debug_read_ver(struct file *file, char __user *userbuf,
 static ssize_t debug_read_regs(struct file *file, char __user *userbuf,
                                size_t count, loff_t *ppos)
 {
-        struct iommu *obj = file->private_data;
+        struct omap_iommu *obj = file->private_data;
         char *p, *buf;
         ssize_t bytes;
 
@@ -54,7 +54,7 @@ static ssize_t debug_read_regs(struct file *file, char __user *userbuf,
 
         mutex_lock(&iommu_debug_lock);
 
-        bytes = iommu_dump_ctx(obj, p, count);
+        bytes = omap_iommu_dump_ctx(obj, p, count);
         bytes = simple_read_from_buffer(userbuf, count, ppos, buf, bytes);
 
         mutex_unlock(&iommu_debug_lock);
@@ -66,7 +66,7 @@ static ssize_t debug_read_regs(struct file *file, char __user *userbuf,
 static ssize_t debug_read_tlb(struct file *file, char __user *userbuf,
                               size_t count, loff_t *ppos)
 {
-        struct iommu *obj = file->private_data;
+        struct omap_iommu *obj = file->private_data;
         char *p, *buf;
         ssize_t bytes, rest;
 
@@ -80,7 +80,7 @@ static ssize_t debug_read_tlb(struct file *file, char __user *userbuf,
         p += sprintf(p, "%8s %8s\n", "cam:", "ram:");
         p += sprintf(p, "-----------------------------------------\n");
         rest = count - (p - buf);
-        p += dump_tlb_entries(obj, p, rest);
+        p += omap_dump_tlb_entries(obj, p, rest);
 
         bytes = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
 
@@ -96,7 +96,7 @@ static ssize_t debug_write_pagetable(struct file *file,
         struct iotlb_entry e;
         struct cr_regs cr;
         int err;
-        struct iommu *obj = file->private_data;
+        struct omap_iommu *obj = file->private_data;
         char buf[MAXCOLUMN], *p = buf;
 
         count = min(count, sizeof(buf));
@@ -113,8 +113,8 @@ static ssize_t debug_write_pagetable(struct file *file,
                 return -EINVAL;
         }
 
-        iotlb_cr_to_e(&cr, &e);
-        err = iopgtable_store_entry(obj, &e);
+        omap_iotlb_cr_to_e(&cr, &e);
+        err = omap_iopgtable_store_entry(obj, &e);
         if (err)
                 dev_err(obj->dev, "%s: fail to store cr\n", __func__);
 
@@ -136,7 +136,7 @@ static ssize_t debug_write_pagetable(struct file *file,
                 __err;                                          \
         })
 
-static ssize_t dump_ioptable(struct iommu *obj, char *buf, ssize_t len)
+static ssize_t dump_ioptable(struct omap_iommu *obj, char *buf, ssize_t len)
 {
         int i;
         u32 *iopgd;
@@ -183,7 +183,7 @@ out:
 static ssize_t debug_read_pagetable(struct file *file, char __user *userbuf,
                                     size_t count, loff_t *ppos)
 {
-        struct iommu *obj = file->private_data;
+        struct omap_iommu *obj = file->private_data;
         char *p, *buf;
         size_t bytes;
 
@@ -211,7 +211,7 @@ static ssize_t debug_read_pagetable(struct file *file, char __user *userbuf,
 static ssize_t debug_read_mmap(struct file *file, char __user *userbuf,
                                size_t count, loff_t *ppos)
 {
-        struct iommu *obj = file->private_data;
+        struct omap_iommu *obj = file->private_data;
         char *p, *buf;
         struct iovm_struct *tmp;
         int uninitialized_var(i);
@@ -253,7 +253,7 @@ static ssize_t debug_read_mmap(struct file *file, char __user *userbuf,
 static ssize_t debug_read_mem(struct file *file, char __user *userbuf,
                               size_t count, loff_t *ppos)
 {
-        struct iommu *obj = file->private_data;
+        struct omap_iommu *obj = file->private_data;
         char *p, *buf;
         struct iovm_struct *area;
         ssize_t bytes;
@@ -267,7 +267,7 @@ static ssize_t debug_read_mem(struct file *file, char __user *userbuf,
 
         mutex_lock(&iommu_debug_lock);
 
-        area = find_iovm_area(obj, (u32)ppos);
+        area = omap_find_iovm_area(obj, (u32)ppos);
         if (IS_ERR(area)) {
                 bytes = -EINVAL;
                 goto err_out;
@@ -286,7 +286,7 @@ err_out:
 static ssize_t debug_write_mem(struct file *file, const char __user *userbuf,
                                size_t count, loff_t *ppos)
 {
-        struct iommu *obj = file->private_data;
+        struct omap_iommu *obj = file->private_data;
         struct iovm_struct *area;
         char *p, *buf;
 
@@ -304,7 +304,7 @@ static ssize_t debug_write_mem(struct file *file, const char __user *userbuf,
                 goto err_out;
         }
 
-        area = find_iovm_area(obj, (u32)ppos);
+        area = omap_find_iovm_area(obj, (u32)ppos);
         if (IS_ERR(area)) {
                 count = -EINVAL;
                 goto err_out;
@@ -360,7 +360,7 @@ DEBUG_FOPS(mem);
 static int iommu_debug_register(struct device *dev, void *data)
 {
         struct platform_device *pdev = to_platform_device(dev);
-        struct iommu *obj = platform_get_drvdata(pdev);
+        struct omap_iommu *obj = platform_get_drvdata(pdev);
         struct dentry *d, *parent;
 
         if (!obj || !obj->dev)
@@ -396,7 +396,7 @@ static int __init iommu_debug_init(void)
                 return -ENOMEM;
         iommu_debug_root = d;
 
-        err = foreach_iommu_device(d, iommu_debug_register);
+        err = omap_foreach_iommu_device(d, iommu_debug_register);
         if (err)
                 goto err_out;
         return 0;
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index d0f28e73be67..dad45ab8cce3 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -42,7 +42,7 @@
  */
 struct omap_iommu_domain {
         u32 *pgtable;
-        struct iommu *iommu_dev;
+        struct omap_iommu *iommu_dev;
         spinlock_t lock;
 };
 
@@ -53,13 +53,13 @@ static struct platform_driver omap_iommu_driver;
 static struct kmem_cache *iopte_cachep;
 
 /**
- * install_iommu_arch - Install archtecure specific iommu functions
+ * omap_install_iommu_arch - Install archtecure specific iommu functions
  * @ops:        a pointer to architecture specific iommu functions
  *
  * There are several kind of iommu algorithm(tlb, pagetable) among
  * omap series. This interface installs such an iommu algorighm.
  **/
-int install_iommu_arch(const struct iommu_functions *ops)
+int omap_install_iommu_arch(const struct iommu_functions *ops)
 {
         if (arch_iommu)
                 return -EBUSY;
@@ -67,53 +67,53 @@ int install_iommu_arch(const struct iommu_functions *ops)
         arch_iommu = ops;
         return 0;
 }
-EXPORT_SYMBOL_GPL(install_iommu_arch);
+EXPORT_SYMBOL_GPL(omap_install_iommu_arch);
 
 /**
- * uninstall_iommu_arch - Uninstall archtecure specific iommu functions
+ * omap_uninstall_iommu_arch - Uninstall archtecure specific iommu functions
  * @ops:        a pointer to architecture specific iommu functions
  *
  * This interface uninstalls the iommu algorighm installed previously.
  **/
-void uninstall_iommu_arch(const struct iommu_functions *ops)
+void omap_uninstall_iommu_arch(const struct iommu_functions *ops)
 {
         if (arch_iommu != ops)
                 pr_err("%s: not your arch\n", __func__);
 
         arch_iommu = NULL;
 }
-EXPORT_SYMBOL_GPL(uninstall_iommu_arch);
+EXPORT_SYMBOL_GPL(omap_uninstall_iommu_arch);
 
 /**
- * iommu_save_ctx - Save registers for pm off-mode support
+ * omap_iommu_save_ctx - Save registers for pm off-mode support
  * @obj:        target iommu
  **/
-void iommu_save_ctx(struct iommu *obj)
+void omap_iommu_save_ctx(struct omap_iommu *obj)
 {
         arch_iommu->save_ctx(obj);
 }
-EXPORT_SYMBOL_GPL(iommu_save_ctx);
+EXPORT_SYMBOL_GPL(omap_iommu_save_ctx);
 
 /**
- * iommu_restore_ctx - Restore registers for pm off-mode support
+ * omap_iommu_restore_ctx - Restore registers for pm off-mode support
  * @obj:        target iommu
  **/
-void iommu_restore_ctx(struct iommu *obj)
+void omap_iommu_restore_ctx(struct omap_iommu *obj)
 {
         arch_iommu->restore_ctx(obj);
 }
-EXPORT_SYMBOL_GPL(iommu_restore_ctx);
+EXPORT_SYMBOL_GPL(omap_iommu_restore_ctx);
 
 /**
- * iommu_arch_version - Return running iommu arch version
+ * omap_iommu_arch_version - Return running iommu arch version
  **/
-u32 iommu_arch_version(void)
+u32 omap_iommu_arch_version(void)
 {
         return arch_iommu->version;
 }
-EXPORT_SYMBOL_GPL(iommu_arch_version);
+EXPORT_SYMBOL_GPL(omap_iommu_arch_version);
 
-static int iommu_enable(struct iommu *obj)
+static int iommu_enable(struct omap_iommu *obj)
 {
         int err;
 
@@ -131,7 +131,7 @@ static int iommu_enable(struct iommu *obj)
         return err;
 }
 
-static void iommu_disable(struct iommu *obj)
+static void iommu_disable(struct omap_iommu *obj)
 {
         if (!obj)
                 return;
@@ -146,13 +146,13 @@ static void iommu_disable(struct iommu *obj)
 /*
  *      TLB operations
  */
-void iotlb_cr_to_e(struct cr_regs *cr, struct iotlb_entry *e)
+void omap_iotlb_cr_to_e(struct cr_regs *cr, struct iotlb_entry *e)
 {
         BUG_ON(!cr || !e);
 
         arch_iommu->cr_to_e(cr, e);
 }
-EXPORT_SYMBOL_GPL(iotlb_cr_to_e);
+EXPORT_SYMBOL_GPL(omap_iotlb_cr_to_e);
 
 static inline int iotlb_cr_valid(struct cr_regs *cr)
 {
@@ -162,7 +162,7 @@ static inline int iotlb_cr_valid(struct cr_regs *cr)
         return arch_iommu->cr_valid(cr);
 }
 
-static inline struct cr_regs *iotlb_alloc_cr(struct iommu *obj,
+static inline struct cr_regs *iotlb_alloc_cr(struct omap_iommu *obj,
                                              struct iotlb_entry *e)
 {
         if (!e)
@@ -181,12 +181,12 @@ static u32 get_iopte_attr(struct iotlb_entry *e)
         return arch_iommu->get_pte_attr(e);
 }
 
-static u32 iommu_report_fault(struct iommu *obj, u32 *da)
+static u32 iommu_report_fault(struct omap_iommu *obj, u32 *da)
 {
         return arch_iommu->fault_isr(obj, da);
 }
 
-static void iotlb_lock_get(struct iommu *obj, struct iotlb_lock *l)
+static void iotlb_lock_get(struct omap_iommu *obj, struct iotlb_lock *l)
 {
         u32 val;
 
@@ -197,7 +197,7 @@ static void iotlb_lock_get(struct iommu *obj, struct iotlb_lock *l)
 
 }
 
-static void iotlb_lock_set(struct iommu *obj, struct iotlb_lock *l)
+static void iotlb_lock_set(struct omap_iommu *obj, struct iotlb_lock *l)
 {
         u32 val;
 
@@ -207,12 +207,12 @@ static void iotlb_lock_set(struct iommu *obj, struct iotlb_lock *l)
         iommu_write_reg(obj, val, MMU_LOCK);
 }
 
-static void iotlb_read_cr(struct iommu *obj, struct cr_regs *cr)
+static void iotlb_read_cr(struct omap_iommu *obj, struct cr_regs *cr)
 {
         arch_iommu->tlb_read_cr(obj, cr);
 }
 
-static void iotlb_load_cr(struct iommu *obj, struct cr_regs *cr)
+static void iotlb_load_cr(struct omap_iommu *obj, struct cr_regs *cr)
 {
         arch_iommu->tlb_load_cr(obj, cr);
 
@@ -226,7 +226,7 @@ static void iotlb_load_cr(struct iommu *obj, struct cr_regs *cr)
  * @cr:         contents of cam and ram register
  * @buf:        output buffer
  **/
-static inline ssize_t iotlb_dump_cr(struct iommu *obj, struct cr_regs *cr,
+static inline ssize_t iotlb_dump_cr(struct omap_iommu *obj, struct cr_regs *cr,
                                     char *buf)
 {
         BUG_ON(!cr || !buf);
@@ -235,7 +235,7 @@ static inline ssize_t iotlb_dump_cr(struct iommu *obj, struct cr_regs *cr,
 }
 
 /* only used in iotlb iteration for-loop */
-static struct cr_regs __iotlb_read_cr(struct iommu *obj, int n)
+static struct cr_regs __iotlb_read_cr(struct omap_iommu *obj, int n)
 {
         struct cr_regs cr;
         struct iotlb_lock l;
@@ -254,7 +254,7 @@ static struct cr_regs __iotlb_read_cr(struct iommu *obj, int n)
  * @e:          an iommu tlb entry info
  **/
 #ifdef PREFETCH_IOTLB
-static int load_iotlb_entry(struct iommu *obj, struct iotlb_entry *e)
+static int load_iotlb_entry(struct omap_iommu *obj, struct iotlb_entry *e)
 {
         int err = 0;
         struct iotlb_lock l;
@@ -313,14 +313,14 @@ out:
 
 #else /* !PREFETCH_IOTLB */
 
-static int load_iotlb_entry(struct iommu *obj, struct iotlb_entry *e)
+static int load_iotlb_entry(struct omap_iommu *obj, struct iotlb_entry *e)
 {
         return 0;
 }
 
 #endif /* !PREFETCH_IOTLB */
 
-static int prefetch_iotlb_entry(struct iommu *obj, struct iotlb_entry *e)
+static int prefetch_iotlb_entry(struct omap_iommu *obj, struct iotlb_entry *e)
 {
         return load_iotlb_entry(obj, e);
 }
@@ -332,7 +332,7 @@ static int prefetch_iotlb_entry(struct iommu *obj, struct iotlb_entry *e)
  *
  * Clear an iommu tlb entry which includes 'da' address.
  **/
-static void flush_iotlb_page(struct iommu *obj, u32 da)
+static void flush_iotlb_page(struct omap_iommu *obj, u32 da)
 {
         int i;
         struct cr_regs cr;
@@ -366,7 +366,7 @@ static void flush_iotlb_page(struct iommu *obj, u32 da)
  * flush_iotlb_all - Clear all iommu tlb entries
  * @obj:        target iommu
  **/
-static void flush_iotlb_all(struct iommu *obj)
+static void flush_iotlb_all(struct omap_iommu *obj)
 {
         struct iotlb_lock l;
 
@@ -383,7 +383,7 @@ static void flush_iotlb_all(struct iommu *obj)
 
 #if defined(CONFIG_OMAP_IOMMU_DEBUG_MODULE)
 
-ssize_t iommu_dump_ctx(struct iommu *obj, char *buf, ssize_t bytes)
+ssize_t omap_iommu_dump_ctx(struct omap_iommu *obj, char *buf, ssize_t bytes)
 {
         if (!obj || !buf)
                 return -EINVAL;
@@ -396,9 +396,10 @@ ssize_t iommu_dump_ctx(struct iommu *obj, char *buf, ssize_t bytes)
 
         return bytes;
 }
-EXPORT_SYMBOL_GPL(iommu_dump_ctx);
+EXPORT_SYMBOL_GPL(omap_iommu_dump_ctx);
 
-static int __dump_tlb_entries(struct iommu *obj, struct cr_regs *crs, int num)
+static int
+__dump_tlb_entries(struct omap_iommu *obj, struct cr_regs *crs, int num)
 {
         int i;
         struct iotlb_lock saved;
@@ -421,11 +422,11 @@ static int __dump_tlb_entries(struct iommu *obj, struct cr_regs *crs, int num)
 }
 
 /**
- * dump_tlb_entries - dump cr arrays to given buffer
+ * omap_dump_tlb_entries - dump cr arrays to given buffer
  * @obj:        target iommu
  * @buf:        output buffer
  **/
-size_t dump_tlb_entries(struct iommu *obj, char *buf, ssize_t bytes)
+size_t omap_dump_tlb_entries(struct omap_iommu *obj, char *buf, ssize_t bytes)
 {
         int i, num;
         struct cr_regs *cr;
@@ -445,14 +446,14 @@ size_t dump_tlb_entries(struct iommu *obj, char *buf, ssize_t bytes)
 
         return p - buf;
 }
-EXPORT_SYMBOL_GPL(dump_tlb_entries);
+EXPORT_SYMBOL_GPL(omap_dump_tlb_entries);
 
-int foreach_iommu_device(void *data, int (*fn)(struct device *, void *))
+int omap_foreach_iommu_device(void *data, int (*fn)(struct device *, void *))
 {
         return driver_for_each_device(&omap_iommu_driver.driver,
                                       NULL, data, fn);
 }
-EXPORT_SYMBOL_GPL(foreach_iommu_device);
+EXPORT_SYMBOL_GPL(omap_foreach_iommu_device);
 
 #endif /* CONFIG_OMAP_IOMMU_DEBUG_MODULE */
 
@@ -485,7 +486,7 @@ static void iopte_free(u32 *iopte)
         kmem_cache_free(iopte_cachep, iopte);
 }
 
-static u32 *iopte_alloc(struct iommu *obj, u32 *iopgd, u32 da)
+static u32 *iopte_alloc(struct omap_iommu *obj, u32 *iopgd, u32 da)
 {
         u32 *iopte;
 
@@ -523,7 +524,7 @@ pte_ready:
         return iopte;
 }
 
-static int iopgd_alloc_section(struct iommu *obj, u32 da, u32 pa, u32 prot)
+static int iopgd_alloc_section(struct omap_iommu *obj, u32 da, u32 pa, u32 prot)
 {
         u32 *iopgd = iopgd_offset(obj, da);
 
@@ -538,7 +539,7 @@ static int iopgd_alloc_section(struct iommu *obj, u32 da, u32 pa, u32 prot)
         return 0;
 }
 
-static int iopgd_alloc_super(struct iommu *obj, u32 da, u32 pa, u32 prot)
+static int iopgd_alloc_super(struct omap_iommu *obj, u32 da, u32 pa, u32 prot)
 {
         u32 *iopgd = iopgd_offset(obj, da);
         int i;
@@ -555,7 +556,7 @@ static int iopgd_alloc_super(struct iommu *obj, u32 da, u32 pa, u32 prot)
         return 0;
 }
 
-static int iopte_alloc_page(struct iommu *obj, u32 da, u32 pa, u32 prot)
+static int iopte_alloc_page(struct omap_iommu *obj, u32 da, u32 pa, u32 prot)
 {
         u32 *iopgd = iopgd_offset(obj, da);
         u32 *iopte = iopte_alloc(obj, iopgd, da);
@@ -572,7 +573,7 @@ static int iopte_alloc_page(struct iommu *obj, u32 da, u32 pa, u32 prot)
         return 0;
 }
 
-static int iopte_alloc_large(struct iommu *obj, u32 da, u32 pa, u32 prot)
+static int iopte_alloc_large(struct omap_iommu *obj, u32 da, u32 pa, u32 prot)
 {
         u32 *iopgd = iopgd_offset(obj, da);
         u32 *iopte = iopte_alloc(obj, iopgd, da);
@@ -593,9 +594,10 @@ static int iopte_alloc_large(struct iommu *obj, u32 da, u32 pa, u32 prot)
         return 0;
 }
 
-static int iopgtable_store_entry_core(struct iommu *obj, struct iotlb_entry *e)
+static int
+iopgtable_store_entry_core(struct omap_iommu *obj, struct iotlb_entry *e)
 {
-        int (*fn)(struct iommu *, u32, u32, u32);
+        int (*fn)(struct omap_iommu *, u32, u32, u32);
         u32 prot;
         int err;
 
@@ -631,11 +633,11 @@ static int iopgtable_store_entry_core(struct iommu *obj, struct iotlb_entry *e)
 }
 
 /**
- * iopgtable_store_entry - Make an iommu pte entry
+ * omap_iopgtable_store_entry - Make an iommu pte entry
  * @obj:        target iommu
  * @e:          an iommu tlb entry info
  **/
-int iopgtable_store_entry(struct iommu *obj, struct iotlb_entry *e)
+int omap_iopgtable_store_entry(struct omap_iommu *obj, struct iotlb_entry *e)
 {
         int err;
 
@@ -645,7 +647,7 @@ int iopgtable_store_entry(struct iommu *obj, struct iotlb_entry *e)
                 prefetch_iotlb_entry(obj, e);
         return err;
 }
-EXPORT_SYMBOL_GPL(iopgtable_store_entry);
+EXPORT_SYMBOL_GPL(omap_iopgtable_store_entry);
 
 /**
  * iopgtable_lookup_entry - Lookup an iommu pte entry
@@ -670,7 +672,7 @@ out:
         *ppte = iopte;
 }
 
-static size_t iopgtable_clear_entry_core(struct iommu *obj, u32 da)
+static size_t iopgtable_clear_entry_core(struct omap_iommu *obj, u32 da)
 {
         size_t bytes;
         u32 *iopgd = iopgd_offset(obj, da);
@@ -723,7 +725,7 @@ out:
  * @obj:        target iommu
  * @da:         iommu device virtual address
  **/
-static size_t iopgtable_clear_entry(struct iommu *obj, u32 da)
+static size_t iopgtable_clear_entry(struct omap_iommu *obj, u32 da)
 {
         size_t bytes;
 
@@ -737,7 +739,7 @@ static size_t iopgtable_clear_entry(struct iommu *obj, u32 da)
         return bytes;
 }
 
-static void iopgtable_clear_entry_all(struct iommu *obj)
+static void iopgtable_clear_entry_all(struct omap_iommu *obj)
 {
         int i;
 
@@ -772,7 +774,7 @@ static irqreturn_t iommu_fault_handler(int irq, void *data)
 {
         u32 da, errs;
         u32 *iopgd, *iopte;
-        struct iommu *obj = data;
+        struct omap_iommu *obj = data;
 
         if (!obj->refcount)
                 return IRQ_NONE;
@@ -808,7 +810,7 @@ static irqreturn_t iommu_fault_handler(int irq, void *data)
 
 static int device_match_by_alias(struct device *dev, void *data)
 {
-        struct iommu *obj = to_iommu(dev);
+        struct omap_iommu *obj = to_iommu(dev);
         const char *name = data;
 
         pr_debug("%s: %s %s\n", __func__, obj->name, name);
@@ -842,10 +844,10 @@ EXPORT_SYMBOL_GPL(omap_find_iommu_device);
  * @dev:        target omap iommu device
  * @iopgd:      page table
  **/
-static struct iommu *omap_iommu_attach(struct device *dev, u32 *iopgd)
+static struct omap_iommu *omap_iommu_attach(struct device *dev, u32 *iopgd)
 {
         int err = -ENOMEM;
-        struct iommu *obj = to_iommu(dev);
+        struct omap_iommu *obj = to_iommu(dev);
 
         spin_lock(&obj->iommu_lock);
 
@@ -883,7 +885,7 @@ err_enable:
  * omap_iommu_detach - release iommu device
  * @obj:        target iommu
  **/
-static void omap_iommu_detach(struct iommu *obj)
+static void omap_iommu_detach(struct omap_iommu *obj)
 {
         if (!obj || IS_ERR(obj))
                 return;
@@ -902,13 +904,13 @@ static void omap_iommu_detach(struct iommu *obj)
         dev_dbg(obj->dev, "%s: %s\n", __func__, obj->name);
 }
 
-int iommu_set_isr(const char *name,
-                  int (*isr)(struct iommu *obj, u32 da, u32 iommu_errs,
+int omap_iommu_set_isr(const char *name,
+                  int (*isr)(struct omap_iommu *obj, u32 da, u32 iommu_errs,
                              void *priv),
                   void *isr_priv)
 {
         struct device *dev;
-        struct iommu *obj;
+        struct omap_iommu *obj;
 
         dev = driver_find_device(&omap_iommu_driver.driver, NULL, (void *)name,
                                  device_match_by_alias);
@@ -927,7 +929,7 @@ int iommu_set_isr(const char *name,
 
         return 0;
 }
-EXPORT_SYMBOL_GPL(iommu_set_isr);
+EXPORT_SYMBOL_GPL(omap_iommu_set_isr);
 
 /*
  *      OMAP Device MMU(IOMMU) detection
@@ -936,7 +938,7 @@ static int __devinit omap_iommu_probe(struct platform_device *pdev)
 {
         int err = -ENODEV;
         int irq;
-        struct iommu *obj;
+        struct omap_iommu *obj;
         struct resource *res;
         struct iommu_platform_data *pdata = pdev->dev.platform_data;
 
@@ -1011,7 +1013,7 @@ static int __devexit omap_iommu_remove(struct platform_device *pdev)
 {
         int irq;
         struct resource *res;
-        struct iommu *obj = platform_get_drvdata(pdev);
+        struct omap_iommu *obj = platform_get_drvdata(pdev);
 
         platform_set_drvdata(pdev, NULL);
 
@@ -1046,7 +1048,7 @@ static int omap_iommu_map(struct iommu_domain *domain, unsigned long da,
                          phys_addr_t pa, int order, int prot)
 {
         struct omap_iommu_domain *omap_domain = domain->priv;
-        struct iommu *oiommu = omap_domain->iommu_dev;
+        struct omap_iommu *oiommu = omap_domain->iommu_dev;
         struct device *dev = oiommu->dev;
         size_t bytes = PAGE_SIZE << order;
         struct iotlb_entry e;
@@ -1066,9 +1068,9 @@ static int omap_iommu_map(struct iommu_domain *domain, unsigned long da,
 
         iotlb_init_entry(&e, da, pa, flags);
 
-        ret = iopgtable_store_entry(oiommu, &e);
+        ret = omap_iopgtable_store_entry(oiommu, &e);
         if (ret) {
-                dev_err(dev, "iopgtable_store_entry failed: %d\n", ret);
+                dev_err(dev, "omap_iopgtable_store_entry failed: %d\n", ret);
                 return ret;
         }
 
@@ -1079,7 +1081,7 @@ static int omap_iommu_unmap(struct iommu_domain *domain, unsigned long da,
                             int order)
 {
         struct omap_iommu_domain *omap_domain = domain->priv;
-        struct iommu *oiommu = omap_domain->iommu_dev;
+        struct omap_iommu *oiommu = omap_domain->iommu_dev;
         struct device *dev = oiommu->dev;
         size_t bytes = PAGE_SIZE << order;
         size_t ret;
@@ -1099,7 +1101,7 @@ static int
 omap_iommu_attach_dev(struct iommu_domain *domain, struct device *dev)
 {
         struct omap_iommu_domain *omap_domain = domain->priv;
-        struct iommu *oiommu;
+        struct omap_iommu *oiommu;
         int ret = 0;
 
         spin_lock(&omap_domain->lock);
@@ -1130,7 +1132,7 @@ static void omap_iommu_detach_dev(struct iommu_domain *domain,
                                  struct device *dev)
 {
         struct omap_iommu_domain *omap_domain = domain->priv;
-        struct iommu *oiommu = to_iommu(dev);
+        struct omap_iommu *oiommu = to_iommu(dev);
 
         spin_lock(&omap_domain->lock);
 
@@ -1200,7 +1202,7 @@ static phys_addr_t omap_iommu_iova_to_phys(struct iommu_domain *domain,
                                           unsigned long da)
 {
         struct omap_iommu_domain *omap_domain = domain->priv;
-        struct iommu *oiommu = omap_domain->iommu_dev;
+        struct omap_iommu *oiommu = omap_domain->iommu_dev;
         struct device *dev = oiommu->dev;
         u32 *pgd, *pte;
         phys_addr_t ret = 0;
diff --git a/drivers/iommu/omap-iovmm.c b/drivers/iommu/omap-iovmm.c
index 996bec0b4a2b..5e7f97dc76ef 100644
--- a/drivers/iommu/omap-iovmm.c
+++ b/drivers/iommu/omap-iovmm.c
@@ -191,7 +191,8 @@ static inline void vunmap_sg(const void *va)
         vunmap(va);
 }
 
-static struct iovm_struct *__find_iovm_area(struct iommu *obj, const u32 da)
+static struct iovm_struct *__find_iovm_area(struct omap_iommu *obj,
+                                                        const u32 da)
 {
         struct iovm_struct *tmp;
 
@@ -213,12 +214,12 @@ static struct iovm_struct *__find_iovm_area(struct iommu *obj, const u32 da)
 }
 
 /**
- * find_iovm_area  -  find iovma which includes @da
+ * omap_find_iovm_area  -  find iovma which includes @da
  * @da:         iommu device virtual address
  *
  * Find the existing iovma starting at @da
  */
-struct iovm_struct *find_iovm_area(struct iommu *obj, u32 da)
+struct iovm_struct *omap_find_iovm_area(struct omap_iommu *obj, u32 da)
 {
         struct iovm_struct *area;
 
@@ -228,13 +229,13 @@ struct iovm_struct *find_iovm_area(struct iommu *obj, u32 da)
 
         return area;
 }
-EXPORT_SYMBOL_GPL(find_iovm_area);
+EXPORT_SYMBOL_GPL(omap_find_iovm_area);
 
 /*
  * This finds the hole(area) which fits the requested address and len
  * in iovmas mmap, and returns the new allocated iovma.
  */
-static struct iovm_struct *alloc_iovm_area(struct iommu *obj, u32 da,
+static struct iovm_struct *alloc_iovm_area(struct omap_iommu *obj, u32 da,
                                            size_t bytes, u32 flags)
 {
         struct iovm_struct *new, *tmp;
@@ -309,7 +310,7 @@ found:
         return new;
 }
 
-static void free_iovm_area(struct iommu *obj, struct iovm_struct *area)
+static void free_iovm_area(struct omap_iommu *obj, struct iovm_struct *area)
 {
         size_t bytes;
 
@@ -325,14 +326,14 @@ static void free_iovm_area(struct iommu *obj, struct iovm_struct *area)
 }
 
 /**
- * da_to_va - convert (d) to (v)
+ * omap_da_to_va - convert (d) to (v)
  * @obj:        objective iommu
  * @da:         iommu device virtual address
  * @va:         mpu virtual address
  *
  * Returns mpu virtual addr which corresponds to a given device virtual addr
  */
-void *da_to_va(struct iommu *obj, u32 da)
+void *omap_da_to_va(struct omap_iommu *obj, u32 da)
 {
         void *va = NULL;
         struct iovm_struct *area;
@@ -350,7 +351,7 @@ out:
 
         return va;
 }
-EXPORT_SYMBOL_GPL(da_to_va);
+EXPORT_SYMBOL_GPL(omap_da_to_va);
 
 static void sgtable_fill_vmalloc(struct sg_table *sgt, void *_va)
 {
@@ -364,7 +365,7 @@ static void sgtable_fill_vmalloc(struct sg_table *sgt, void *_va)
                 const size_t bytes = PAGE_SIZE;
 
                 /*
-                 * iommu 'superpage' isn't supported with 'iommu_vmalloc()'
+                 * iommu 'superpage' isn't supported with 'omap_iommu_vmalloc()'
                  */
                 pg = vmalloc_to_page(va);
                 BUG_ON(!pg);
@@ -443,7 +444,7 @@ err_out:
 }
 
 /* release 'da' <-> 'pa' mapping */
-static void unmap_iovm_area(struct iommu_domain *domain, struct iommu *obj,
+static void unmap_iovm_area(struct iommu_domain *domain, struct omap_iommu *obj,
                                                 struct iovm_struct *area)
 {
         u32 start;
@@ -480,7 +481,7 @@ static void unmap_iovm_area(struct iommu_domain *domain, struct iommu *obj,
 
 /* template function for all unmapping */
 static struct sg_table *unmap_vm_area(struct iommu_domain *domain,
-                                      struct iommu *obj, const u32 da,
+                                      struct omap_iommu *obj, const u32 da,
                                       void (*fn)(const void *), u32 flags)
 {
         struct sg_table *sgt = NULL;
@@ -521,7 +522,7 @@ out:
         return sgt;
 }
 
-static u32 map_iommu_region(struct iommu_domain *domain, struct iommu *obj,
+static u32 map_iommu_region(struct iommu_domain *domain, struct omap_iommu *obj,
                                 u32 da, const struct sg_table *sgt, void *va,
                                 size_t bytes, u32 flags)
 {
@@ -555,7 +556,8 @@ err_alloc_iovma:
         return err;
 }
 
-static inline u32 __iommu_vmap(struct iommu_domain *domain, struct iommu *obj,
+static inline u32
+__iommu_vmap(struct iommu_domain *domain, struct omap_iommu *obj,
                                 u32 da, const struct sg_table *sgt,
                                 void *va, size_t bytes, u32 flags)
 {
@@ -563,7 +565,7 @@ static inline u32 __iommu_vmap(struct iommu_domain *domain, struct iommu *obj,
 }
 
 /**
- * iommu_vmap  -  (d)-(p)-(v) address mapper
+ * omap_iommu_vmap  -  (d)-(p)-(v) address mapper
  * @obj:        objective iommu
  * @sgt:        address of scatter gather table
  * @flags:      iovma and page property
@@ -571,7 +573,7 @@ static inline u32 __iommu_vmap(struct iommu_domain *domain, struct iommu *obj,
  * Creates 1-n-1 mapping with given @sgt and returns @da.
  * All @sgt element must be io page size aligned.
  */
-u32 iommu_vmap(struct iommu_domain *domain, struct iommu *obj, u32 da,
+u32 omap_iommu_vmap(struct iommu_domain *domain, struct omap_iommu *obj, u32 da,
                 const struct sg_table *sgt, u32 flags)
 {
         size_t bytes;
@@ -600,22 +602,22 @@ u32 iommu_vmap(struct iommu_domain *domain, struct iommu *obj, u32 da,
 
         return da;
 }
-EXPORT_SYMBOL_GPL(iommu_vmap);
+EXPORT_SYMBOL_GPL(omap_iommu_vmap);
 
 /**
- * iommu_vunmap  -  release virtual mapping obtained by 'iommu_vmap()'
+ * omap_iommu_vunmap  -  release virtual mapping obtained by 'omap_iommu_vmap()'
  * @obj:        objective iommu
  * @da:         iommu device virtual address
  *
  * Free the iommu virtually contiguous memory area starting at
- * @da, which was returned by 'iommu_vmap()'.
+ * @da, which was returned by 'omap_iommu_vmap()'.
  */
 struct sg_table *
-iommu_vunmap(struct iommu_domain *domain, struct iommu *obj, u32 da)
+omap_iommu_vunmap(struct iommu_domain *domain, struct omap_iommu *obj, u32 da)
 {
         struct sg_table *sgt;
         /*
-         * 'sgt' is allocated before 'iommu_vmalloc()' is called.
+         * 'sgt' is allocated before 'omap_iommu_vmalloc()' is called.
          * Just returns 'sgt' to the caller to free
          */
         sgt = unmap_vm_area(domain, obj, da, vunmap_sg,
@@ -624,10 +626,10 @@ iommu_vunmap(struct iommu_domain *domain, struct iommu *obj, u32 da)
                 dev_dbg(obj->dev, "%s: No sgt\n", __func__);
         return sgt;
 }
-EXPORT_SYMBOL_GPL(iommu_vunmap);
+EXPORT_SYMBOL_GPL(omap_iommu_vunmap);
 
 /**
- * iommu_vmalloc  -  (d)-(p)-(v) address allocator and mapper
+ * omap_iommu_vmalloc  -  (d)-(p)-(v) address allocator and mapper
  * @obj:        objective iommu
  * @da:         contiguous iommu virtual memory
  * @bytes:      allocation size
@@ -636,7 +638,8 @@ EXPORT_SYMBOL_GPL(iommu_vunmap);
  * Allocate @bytes linearly and creates 1-n-1 mapping and returns
  * @da again, which might be adjusted if 'IOVMF_DA_FIXED' is not set.
  */
-u32 iommu_vmalloc(struct iommu_domain *domain, struct iommu *obj, u32 da,
+u32
+omap_iommu_vmalloc(struct iommu_domain *domain, struct omap_iommu *obj, u32 da,
                                                 size_t bytes, u32 flags)
 {
         void *va;
@@ -674,17 +677,18 @@ err_sgt_alloc:
         vfree(va);
         return da;
 }
-EXPORT_SYMBOL_GPL(iommu_vmalloc);
+EXPORT_SYMBOL_GPL(omap_iommu_vmalloc);
 
 /**
- * iommu_vfree  -  release memory allocated by 'iommu_vmalloc()'
+ * omap_iommu_vfree  -  release memory allocated by 'omap_iommu_vmalloc()'
  * @obj:        objective iommu
  * @da:         iommu device virtual address
  *
  * Frees the iommu virtually continuous memory area starting at
- * @da, as obtained from 'iommu_vmalloc()'.
+ * @da, as obtained from 'omap_iommu_vmalloc()'.
  */
-void iommu_vfree(struct iommu_domain *domain, struct iommu *obj, const u32 da)
+void omap_iommu_vfree(struct iommu_domain *domain, struct omap_iommu *obj,
+                                                                const u32 da)
 {
         struct sg_table *sgt;
 
@@ -694,7 +698,7 @@ void iommu_vfree(struct iommu_domain *domain, struct iommu *obj, const u32 da)
                 dev_dbg(obj->dev, "%s: No sgt\n", __func__);
         sgtable_free(sgt);
 }
-EXPORT_SYMBOL_GPL(iommu_vfree);
+EXPORT_SYMBOL_GPL(omap_iommu_vfree);
 
 static int __init iovmm_init(void)
 {
diff --git a/drivers/media/video/omap3isp/isp.c b/drivers/media/video/omap3isp/isp.c
index 0db45ac7489b..a4baa6165c2c 100644
--- a/drivers/media/video/omap3isp/isp.c
+++ b/drivers/media/video/omap3isp/isp.c
@@ -85,7 +85,7 @@
  * any omap-specific iommu API
  */
 #define to_iommu(dev)                                                   \
-        (struct iommu *)platform_get_drvdata(to_platform_device(dev))
+        (struct omap_iommu *)platform_get_drvdata(to_platform_device(dev))
 
 static unsigned int autoidle;
 module_param(autoidle, int, 0444);
@@ -1115,7 +1115,7 @@ static void isp_save_ctx(struct isp_device *isp)
 {
         isp_save_context(isp, isp_reg_list);
         if (isp->iommu)
-                iommu_save_ctx(isp->iommu);
+                omap_iommu_save_ctx(isp->iommu);
 }
 
 /*
@@ -1129,7 +1129,7 @@ static void isp_restore_ctx(struct isp_device *isp)
 {
         isp_restore_context(isp, isp_reg_list);
         if (isp->iommu)
-                iommu_restore_ctx(isp->iommu);
+                omap_iommu_restore_ctx(isp->iommu);
         omap3isp_ccdc_restore_context(isp);
         omap3isp_preview_restore_context(isp);
 }
diff --git a/drivers/media/video/omap3isp/isp.h b/drivers/media/video/omap3isp/isp.h
index c9ec7a2e53ea..81fdd85deb60 100644
--- a/drivers/media/video/omap3isp/isp.h
+++ b/drivers/media/video/omap3isp/isp.h
@@ -295,7 +295,7 @@ struct isp_device {
         unsigned int sbl_resources;
         unsigned int subclk_resources;
 
-        struct iommu *iommu;
+        struct omap_iommu *iommu;
         struct iommu_domain *domain;
         struct device *iommu_dev;
 
diff --git a/drivers/media/video/omap3isp/ispccdc.c b/drivers/media/video/omap3isp/ispccdc.c
index de2547413739..9891dde2af77 100644
--- a/drivers/media/video/omap3isp/ispccdc.c
+++ b/drivers/media/video/omap3isp/ispccdc.c
@@ -365,7 +365,7 @@ static void ccdc_lsc_free_request(struct isp_ccdc_device *ccdc,
                 dma_unmap_sg(isp->dev, req->iovm->sgt->sgl,
                              req->iovm->sgt->nents, DMA_TO_DEVICE);
         if (req->table)
-                iommu_vfree(isp->domain, isp->iommu, req->table);
+                omap_iommu_vfree(isp->domain, isp->iommu, req->table);
         kfree(req);
 }
 
@@ -437,7 +437,7 @@ static int ccdc_lsc_config(struct isp_ccdc_device *ccdc,
 
                 req->enable = 1;
 
-                req->table = iommu_vmalloc(isp->domain, isp->iommu, 0,
+                req->table = omap_iommu_vmalloc(isp->domain, isp->iommu, 0,
                                         req->config.size, IOMMU_FLAG);
                 if (IS_ERR_VALUE(req->table)) {
                         req->table = 0;
@@ -445,7 +445,7 @@ static int ccdc_lsc_config(struct isp_ccdc_device *ccdc,
                         goto done;
                 }
 
-                req->iovm = find_iovm_area(isp->iommu, req->table);
+                req->iovm = omap_find_iovm_area(isp->iommu, req->table);
                 if (req->iovm == NULL) {
                         ret = -ENOMEM;
                         goto done;
@@ -461,7 +461,7 @@ static int ccdc_lsc_config(struct isp_ccdc_device *ccdc,
                 dma_sync_sg_for_cpu(isp->dev, req->iovm->sgt->sgl,
                                     req->iovm->sgt->nents, DMA_TO_DEVICE);
 
-                table = da_to_va(isp->iommu, req->table);
+                table = omap_da_to_va(isp->iommu, req->table);
                 if (copy_from_user(table, config->lsc, req->config.size)) {
                         ret = -EFAULT;
                         goto done;
@@ -730,18 +730,19 @@ static int ccdc_config(struct isp_ccdc_device *ccdc,
 
                         /*
                          * table_new must be 64-bytes aligned, but it's
-                         * already done by iommu_vmalloc().
+                         * already done by omap_iommu_vmalloc().
                          */
                         size = ccdc->fpc.fpnum * 4;
-                        table_new = iommu_vmalloc(isp->domain, isp->iommu, 0,
-                                                        size, IOMMU_FLAG);
+                        table_new = omap_iommu_vmalloc(isp->domain, isp->iommu,
+                                                        0, size, IOMMU_FLAG);
                         if (IS_ERR_VALUE(table_new))
                                 return -ENOMEM;
 
-                        if (copy_from_user(da_to_va(isp->iommu, table_new),
+                        if (copy_from_user(omap_da_to_va(isp->iommu, table_new),
                                            (__force void __user *)
                                            ccdc->fpc.fpcaddr, size)) {
-                                iommu_vfree(isp->domain, isp->iommu, table_new);
+                                omap_iommu_vfree(isp->domain, isp->iommu,
+                                                                table_new);
                                 return -EFAULT;
                         }
 
@@ -751,7 +752,7 @@ static int ccdc_config(struct isp_ccdc_device *ccdc,
 
                 ccdc_configure_fpc(ccdc);
                 if (table_old != 0)
-                        iommu_vfree(isp->domain, isp->iommu, table_old);
+                        omap_iommu_vfree(isp->domain, isp->iommu, table_old);
         }
 
         return ccdc_lsc_config(ccdc, ccdc_struct);
@@ -2286,5 +2287,5 @@ void omap3isp_ccdc_cleanup(struct isp_device *isp)
         ccdc_lsc_free_queue(ccdc, &ccdc->lsc.free_queue);
 
         if (ccdc->fpc.fpcaddr != 0)
-                iommu_vfree(isp->domain, isp->iommu, ccdc->fpc.fpcaddr);
+                omap_iommu_vfree(isp->domain, isp->iommu, ccdc->fpc.fpcaddr);
 }
diff --git a/drivers/media/video/omap3isp/ispstat.c b/drivers/media/video/omap3isp/ispstat.c
index 98af736b9a90..732905552261 100644
--- a/drivers/media/video/omap3isp/ispstat.c
+++ b/drivers/media/video/omap3isp/ispstat.c
@@ -366,7 +366,8 @@ static void isp_stat_bufs_free(struct ispstat *stat)
                                 dma_unmap_sg(isp->dev, buf->iovm->sgt->sgl,
                                              buf->iovm->sgt->nents,
                                              DMA_FROM_DEVICE);
-                        iommu_vfree(isp->domain, isp->iommu, buf->iommu_addr);
+                        omap_iommu_vfree(isp->domain, isp->iommu,
+                                                        buf->iommu_addr);
                 } else {
                         if (!buf->virt_addr)
                                 continue;
@@ -399,7 +400,7 @@ static int isp_stat_bufs_alloc_iommu(struct ispstat *stat, unsigned int size)
                 struct iovm_struct *iovm;
 
                 WARN_ON(buf->dma_addr);
-                buf->iommu_addr = iommu_vmalloc(isp->domain, isp->iommu, 0,
+                buf->iommu_addr = omap_iommu_vmalloc(isp->domain, isp->iommu, 0,
                                                         size, IOMMU_FLAG);
                 if (IS_ERR((void *)buf->iommu_addr)) {
                         dev_err(stat->isp->dev,
@@ -409,7 +410,7 @@ static int isp_stat_bufs_alloc_iommu(struct ispstat *stat, unsigned int size)
                         return -ENOMEM;
                 }
 
-                iovm = find_iovm_area(isp->iommu, buf->iommu_addr);
+                iovm = omap_find_iovm_area(isp->iommu, buf->iommu_addr);
                 if (!iovm ||
                     !dma_map_sg(isp->dev, iovm->sgt->sgl, iovm->sgt->nents,
                                 DMA_FROM_DEVICE)) {
@@ -418,7 +419,7 @@ static int isp_stat_bufs_alloc_iommu(struct ispstat *stat, unsigned int size)
                 }
                 buf->iovm = iovm;
 
-                buf->virt_addr = da_to_va(stat->isp->iommu,
+                buf->virt_addr = omap_da_to_va(stat->isp->iommu,
                                           (u32)buf->iommu_addr);
                 buf->empty = 1;
                 dev_dbg(stat->isp->dev, "%s: buffer[%d] allocated."
diff --git a/drivers/media/video/omap3isp/ispvideo.c b/drivers/media/video/omap3isp/ispvideo.c
index 023b5028a27b..912ac071b104 100644
--- a/drivers/media/video/omap3isp/ispvideo.c
+++ b/drivers/media/video/omap3isp/ispvideo.c
@@ -446,7 +446,7 @@ ispmmu_vmap(struct isp_device *isp, const struct scatterlist *sglist, int sglen)
         sgt->nents = sglen;
         sgt->orig_nents = sglen;
 
-        da = iommu_vmap(isp->domain, isp->iommu, 0, sgt, IOMMU_FLAG);
+        da = omap_iommu_vmap(isp->domain, isp->iommu, 0, sgt, IOMMU_FLAG);
         if (IS_ERR_VALUE(da))
                 kfree(sgt);
 
@@ -462,7 +462,7 @@ static void ispmmu_vunmap(struct isp_device *isp, dma_addr_t da)
 {
         struct sg_table *sgt;
 
-        sgt = iommu_vunmap(isp->domain, isp->iommu, (u32)da);
+        sgt = omap_iommu_vunmap(isp->domain, isp->iommu, (u32)da);
         kfree(sgt);
 }