omap: iommu: omapify 'struct iommu' and exposed API

Prepend 'omap_' to OMAP's 'struct iommu' and exposed API, to prevent
namespace pollution and generally to improve readability of the code
that still uses the driver directly.

Update the users as needed as well.

Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
diff --git a/drivers/iommu/omap-iommu-debug.c b/drivers/iommu/omap-iommu-debug.c
index 0f8c8dd..9c192e7 100644
--- a/drivers/iommu/omap-iommu-debug.c
+++ b/drivers/iommu/omap-iommu-debug.c
@@ -32,7 +32,7 @@
 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_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 @@
 
 	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_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 @@
 	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 @@
 	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 @@
 		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 @@
 		__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 @@
 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_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_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 @@
 
 	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 @@
 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 @@
 		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 @@
 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 @@
 		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;