1 files changed, 0 insertions, 152 deletions

diff --git a/arch/metag/kernel/tcm.c b/arch/metag/kernel/tcm.c
deleted file mode 100644
index 1d7b4e3..0000000
--- a/arch/metag/kernel/tcm.c
+++ /dev/null
@@ -1,152 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (C) 2010 Imagination Technologies Ltd.
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/spinlock.h>
-#include <linux/stddef.h>
-#include <linux/genalloc.h>
-#include <linux/string.h>
-#include <linux/list.h>
-#include <linux/slab.h>
-#include <asm/page.h>
-#include <asm/tcm.h>
-
-struct tcm_pool {
-	struct list_head list;
-	unsigned int tag;
-	unsigned long start;
-	unsigned long end;
-	struct gen_pool *pool;
-};
-
-static LIST_HEAD(pool_list);
-
-static struct tcm_pool *find_pool(unsigned int tag)
-{
-	struct list_head *lh;
-	struct tcm_pool *pool;
-
-	list_for_each(lh, &pool_list) {
-		pool = list_entry(lh, struct tcm_pool, list);
-		if (pool->tag == tag)
-			return pool;
-	}
-
-	return NULL;
-}
-
-/**
- * tcm_alloc - allocate memory from a TCM pool
- * @tag: tag of the pool to allocate memory from
- * @len: number of bytes to be allocated
- *
- * Allocate the requested number of bytes from the pool matching
- * the specified tag. Returns the address of the allocated memory
- * or zero on failure.
- */
-unsigned long tcm_alloc(unsigned int tag, size_t len)
-{
-	unsigned long vaddr;
-	struct tcm_pool *pool;
-
-	pool = find_pool(tag);
-	if (!pool)
-		return 0;
-
-	vaddr = gen_pool_alloc(pool->pool, len);
-	if (!vaddr)
-		return 0;
-
-	return vaddr;
-}
-
-/**
- * tcm_free - free a block of memory to a TCM pool
- * @tag: tag of the pool to free memory to
- * @addr: address of the memory to be freed
- * @len: number of bytes to be freed
- *
- * Free the requested number of bytes at a specific address to the
- * pool matching the specified tag.
- */
-void tcm_free(unsigned int tag, unsigned long addr, size_t len)
-{
-	struct tcm_pool *pool;
-
-	pool = find_pool(tag);
-	if (!pool)
-		return;
-	gen_pool_free(pool->pool, addr, len);
-}
-
-/**
- * tcm_lookup_tag - find the tag matching an address
- * @p: memory address to lookup the tag for
- *
- * Find the tag of the tcm memory region that contains the
- * specified address. Returns %TCM_INVALID_TAG if no such
- * memory region could be found.
- */
-unsigned int tcm_lookup_tag(unsigned long p)
-{
-	struct list_head *lh;
-	struct tcm_pool *pool;
-	unsigned long addr = (unsigned long) p;
-
-	list_for_each(lh, &pool_list) {
-		pool = list_entry(lh, struct tcm_pool, list);
-		if (addr >= pool->start && addr < pool->end)
-			return pool->tag;
-	}
-
-	return TCM_INVALID_TAG;
-}
-
-/**
- * tcm_add_region - add a memory region to TCM pool list
- * @reg: descriptor of region to be added
- *
- * Add a region of memory to the TCM pool list. Returns 0 on success.
- */
-int __init tcm_add_region(struct tcm_region *reg)
-{
-	struct tcm_pool *pool;
-
-	pool = kmalloc(sizeof(*pool), GFP_KERNEL);
-	if (!pool) {
-		pr_err("Failed to alloc memory for TCM pool!\n");
-		return -ENOMEM;
-	}
-
-	pool->tag = reg->tag;
-	pool->start = reg->res.start;
-	pool->end = reg->res.end;
-
-	/*
-	 * 2^3 = 8 bytes granularity to allow for 64bit access alignment.
-	 * -1 = NUMA node specifier.
-	 */
-	pool->pool = gen_pool_create(3, -1);
-
-	if (!pool->pool) {
-		pr_err("Failed to create TCM pool!\n");
-		kfree(pool);
-		return -ENOMEM;
-	}
-
-	if (gen_pool_add(pool->pool, reg->res.start,
-			 reg->res.end - reg->res.start + 1, -1)) {
-		pr_err("Failed to add memory to TCM pool!\n");
-		return -ENOMEM;
-	}
-	pr_info("Added %s TCM pool (%08x bytes @ %08x)\n",
-		reg->res.name, reg->res.end - reg->res.start + 1,
-		reg->res.start);
-
-	list_add_tail(&pool->list, &pool_list);
-
-	return 0;
-}