1 files changed, 0 insertions, 264 deletions
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_slave_compat.c b/drivers/gpu/drm/tilcdc/tilcdc_slave_compat.c
deleted file mode 100644
index d2b9e5f04724..000000000000
--- a/drivers/gpu/drm/tilcdc/tilcdc_slave_compat.c
+++ /dev/null
@@ -1,264 +0,0 @@
-/*
- * Copyright (C) 2015 Texas Instruments
- * Author: Jyri Sarha <jsarha@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- */
-
-/*
- * To support the old "ti,tilcdc,slave" binding the binding has to be
- * transformed to the new external encoder binding.
- */
-
-#include <linux/kernel.h>
-#include <linux/of.h>
-#include <linux/of_graph.h>
-#include <linux/of_fdt.h>
-#include <linux/slab.h>
-#include <linux/list.h>
-
-#include "tilcdc_slave_compat.h"
-
-struct kfree_table {
-	int total;
-	int num;
-	void **table;
-};
-
-static int __init kfree_table_init(struct kfree_table *kft)
-{
-	kft->total = 32;
-	kft->num = 0;
-	kft->table = kmalloc(kft->total * sizeof(*kft->table),
-			     GFP_KERNEL);
-	if (!kft->table)
-		return -ENOMEM;
-
-	return 0;
-}
-
-static int __init kfree_table_add(struct kfree_table *kft, void *p)
-{
-	if (kft->num == kft->total) {
-		void **old = kft->table;
-
-		kft->total *= 2;
-		kft->table = krealloc(old, kft->total * sizeof(*kft->table),
-				      GFP_KERNEL);
-		if (!kft->table) {
-			kft->table = old;
-			kfree(p);
-			return -ENOMEM;
-		}
-	}
-	kft->table[kft->num++] = p;
-	return 0;
-}
-
-static void __init kfree_table_free(struct kfree_table *kft)
-{
-	int i;
-
-	for (i = 0; i < kft->num; i++)
-		kfree(kft->table[i]);
-
-	kfree(kft->table);
-}
-
-static
-struct property * __init tilcdc_prop_dup(const struct property *prop,
-					 struct kfree_table *kft)
-{
-	struct property *nprop;
-
-	nprop = kzalloc(sizeof(*nprop), GFP_KERNEL);
-	if (!nprop || kfree_table_add(kft, nprop))
-		return NULL;
-
-	nprop->name = kstrdup(prop->name, GFP_KERNEL);
-	if (!nprop->name || kfree_table_add(kft, nprop->name))
-		return NULL;
-
-	nprop->value = kmemdup(prop->value, prop->length, GFP_KERNEL);
-	if (!nprop->value || kfree_table_add(kft, nprop->value))
-		return NULL;
-
-	nprop->length = prop->length;
-
-	return nprop;
-}
-
-static void __init tilcdc_copy_props(struct device_node *from,
-				     struct device_node *to,
-				     const char * const props[],
-				     struct kfree_table *kft)
-{
-	struct property *prop;
-	int i;
-
-	for (i = 0; props[i]; i++) {
-		prop = of_find_property(from, props[i], NULL);
-		if (!prop)
-			continue;
-
-		prop = tilcdc_prop_dup(prop, kft);
-		if (!prop)
-			continue;
-
-		prop->next = to->properties;
-		to->properties = prop;
-	}
-}
-
-static int __init tilcdc_prop_str_update(struct property *prop,
-					  const char *str,
-					  struct kfree_table *kft)
-{
-	prop->value = kstrdup(str, GFP_KERNEL);
-	if (kfree_table_add(kft, prop->value) || !prop->value)
-		return -ENOMEM;
-	prop->length = strlen(str)+1;
-	return 0;
-}
-
-static void __init tilcdc_node_disable(struct device_node *node)
-{
-	struct property *prop;
-
-	prop = kzalloc(sizeof(*prop), GFP_KERNEL);
-	if (!prop)
-		return;
-
-	prop->name = "status";
-	prop->value = "disabled";
-	prop->length = strlen((char *)prop->value)+1;
-
-	of_update_property(node, prop);
-}
-
-static struct device_node * __init tilcdc_get_overlay(struct kfree_table *kft)
-{
-	const int size = __dtb_tilcdc_slave_compat_end -
-		__dtb_tilcdc_slave_compat_begin;
-	static void *overlay_data;
-	struct device_node *overlay;
-
-	if (!size) {
-		pr_warn("%s: No overlay data\n", __func__);
-		return NULL;
-	}
-
-	overlay_data = kmemdup(__dtb_tilcdc_slave_compat_begin,
-			       size, GFP_KERNEL);
-	if (!overlay_data || kfree_table_add(kft, overlay_data))
-		return NULL;
-
-	of_fdt_unflatten_tree(overlay_data, NULL, &overlay);
-	if (!overlay) {
-		pr_warn("%s: Unfattening overlay tree failed\n", __func__);
-		return NULL;
-	}
-
-	return overlay;
-}
-
-static const struct of_device_id tilcdc_slave_of_match[] __initconst = {
-	{ .compatible = "ti,tilcdc,slave", },
-	{},
-};
-
-static const struct of_device_id tilcdc_of_match[] __initconst = {
-	{ .compatible = "ti,am33xx-tilcdc", },
-	{},
-};
-
-static const struct of_device_id tilcdc_tda998x_of_match[] __initconst = {
-	{ .compatible = "nxp,tda998x", },
-	{},
-};
-
-static const char * const tilcdc_slave_props[] __initconst = {
-	"pinctrl-names",
-	"pinctrl-0",
-	"pinctrl-1",
-	NULL
-};
-
-static void __init tilcdc_convert_slave_node(void)
-{
-	struct device_node *slave = NULL, *lcdc = NULL;
-	struct device_node *i2c = NULL, *fragment = NULL;
-	struct device_node *overlay, *encoder;
-	struct property *prop;
-	/* For all memory needed for the overlay tree. This memory can
-	   be freed after the overlay has been applied. */
-	struct kfree_table kft;
-	int ovcs_id, ret;
-
-	if (kfree_table_init(&kft))
-		return;
-
-	lcdc = of_find_matching_node(NULL, tilcdc_of_match);
-	slave = of_find_matching_node(NULL, tilcdc_slave_of_match);
-
-	if (!slave || !of_device_is_available(lcdc))
-		goto out;
-
-	i2c = of_parse_phandle(slave, "i2c", 0);
-	if (!i2c) {
-		pr_err("%s: Can't find i2c node trough phandle\n", __func__);
-		goto out;
-	}
-
-	overlay = tilcdc_get_overlay(&kft);
-	if (!overlay)
-		goto out;
-
-	encoder = of_find_matching_node(overlay, tilcdc_tda998x_of_match);
-	if (!encoder) {
-		pr_err("%s: Failed to find tda998x node\n", __func__);
-		goto out;
-	}
-
-	tilcdc_copy_props(slave, encoder, tilcdc_slave_props, &kft);
-
-	for_each_child_of_node(overlay, fragment) {
-		prop = of_find_property(fragment, "target-path", NULL);
-		if (!prop)
-			continue;
-		if (!strncmp("i2c", (char *)prop->value, prop->length))
-			if (tilcdc_prop_str_update(prop, i2c->full_name, &kft))
-				goto out;
-		if (!strncmp("lcdc", (char *)prop->value, prop->length))
-			if (tilcdc_prop_str_update(prop, lcdc->full_name, &kft))
-				goto out;
-	}
-
-	tilcdc_node_disable(slave);
-
-	ovcs_id = 0;
-	ret = of_overlay_apply(overlay, &ovcs_id);
-	if (ret)
-		pr_err("%s: Applying overlay changeset failed: %d\n",
-			__func__, ret);
-	else
-		pr_info("%s: ti,tilcdc,slave node successfully converted\n",
-			__func__);
-out:
-	kfree_table_free(&kft);
-	of_node_put(i2c);
-	of_node_put(slave);
-	of_node_put(lcdc);
-	of_node_put(fragment);
-}
-
-static int __init tilcdc_slave_compat_init(void)
-{
-	tilcdc_convert_slave_node();
-	return 0;
-}
-
-subsys_initcall(tilcdc_slave_compat_init);