1 files changed, 0 insertions, 157 deletions
diff --git a/arch/cris/arch-v32/mm/intmem.c b/arch/cris/arch-v32/mm/intmem.c
deleted file mode 100644
index 928b94d1d320..000000000000
--- a/arch/cris/arch-v32/mm/intmem.c
+++ /dev/null
@@ -1,157 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Simple allocator for internal RAM in ETRAX FS
- *
- * Copyright (c) 2004 Axis Communications AB.
- */
-
-#include <linux/list.h>
-#include <linux/slab.h>
-#include <asm/io.h>
-#include <memmap.h>
-
-#define STATUS_FREE 0
-#define STATUS_ALLOCATED 1
-
-#ifdef CONFIG_ETRAX_L2CACHE
-#define RESERVED_SIZE 66*1024
-#else
-#define RESERVED_SIZE 0
-#endif
-
-struct intmem_allocation {
-	struct list_head entry;
-	unsigned int size;
-	unsigned offset;
-	char status;
-};
-
-
-static struct list_head intmem_allocations;
-static void* intmem_virtual;
-
-static void crisv32_intmem_init(void)
-{
-	static int initiated = 0;
-	if (!initiated) {
-		struct intmem_allocation* alloc;
-		alloc = kmalloc(sizeof *alloc, GFP_KERNEL);
-		INIT_LIST_HEAD(&intmem_allocations);
-		intmem_virtual = ioremap(MEM_INTMEM_START + RESERVED_SIZE,
-					 MEM_INTMEM_SIZE - RESERVED_SIZE);
-		initiated = 1;
-		alloc->size = MEM_INTMEM_SIZE - RESERVED_SIZE;
-		alloc->offset = 0;
-		alloc->status = STATUS_FREE;
-		list_add_tail(&alloc->entry, &intmem_allocations);
-	}
-}
-
-void* crisv32_intmem_alloc(unsigned size, unsigned align)
-{
-	struct intmem_allocation* allocation;
-	struct intmem_allocation* tmp;
-	void* ret = NULL;
-
-	preempt_disable();
-	crisv32_intmem_init();
-
-	list_for_each_entry_safe(allocation, tmp, &intmem_allocations, entry) {
-		int alignment = allocation->offset % align;
-		alignment = alignment ? align - alignment : alignment;
-
-		if (allocation->status == STATUS_FREE &&
-		    allocation->size >= size + alignment) {
-			if (allocation->size > size + alignment) {
-				struct intmem_allocation* alloc;
-				alloc = kmalloc(sizeof *alloc, GFP_ATOMIC);
-				alloc->status = STATUS_FREE;
-				alloc->size = allocation->size - size -
-					alignment;
-				alloc->offset = allocation->offset + size +
-					alignment;
-				list_add(&alloc->entry, &allocation->entry);
-
-				if (alignment) {
-					struct intmem_allocation *tmp;
-					tmp = kmalloc(sizeof *tmp, GFP_ATOMIC);
-					tmp->offset = allocation->offset;
-					tmp->size = alignment;
-					tmp->status = STATUS_FREE;
-					allocation->offset += alignment;
-					list_add_tail(&tmp->entry,
-						&allocation->entry);
-				}
-			}
-			allocation->status = STATUS_ALLOCATED;
-			allocation->size = size;
-			ret = (void*)((int)intmem_virtual + allocation->offset);
-		}
-	}
-	preempt_enable();
-	return ret;
-}
-
-void crisv32_intmem_free(void* addr)
-{
-	struct intmem_allocation* allocation;
-	struct intmem_allocation* tmp;
-
-	if (addr == NULL)
-		return;
-
-	preempt_disable();
-	crisv32_intmem_init();
-
-	list_for_each_entry_safe(allocation, tmp, &intmem_allocations, entry) {
-		if (allocation->offset == (int)(addr - intmem_virtual)) {
-			struct intmem_allocation *prev =
-			  list_entry(allocation->entry.prev,
-			             struct intmem_allocation, entry);
-			struct intmem_allocation *next =
-			  list_entry(allocation->entry.next,
-				     struct intmem_allocation, entry);
-
-			allocation->status = STATUS_FREE;
-			/* Join with prev and/or next if also free */
-			if ((&prev->entry != &intmem_allocations) &&
-					(prev->status == STATUS_FREE)) {
-				prev->size += allocation->size;
-				list_del(&allocation->entry);
-				kfree(allocation);
-				allocation = prev;
-			}
-			if ((&next->entry != &intmem_allocations) &&
-					(next->status == STATUS_FREE)) {
-				allocation->size += next->size;
-				list_del(&next->entry);
-				kfree(next);
-			}
-			preempt_enable();
-			return;
-		}
-	}
-	preempt_enable();
-}
-
-void* crisv32_intmem_phys_to_virt(unsigned long addr)
-{
-	return (void *)(addr - (MEM_INTMEM_START + RESERVED_SIZE) +
-		(unsigned long)intmem_virtual);
-}
-
-unsigned long crisv32_intmem_virt_to_phys(void* addr)
-{
-	return (unsigned long)((unsigned long )addr -
-		(unsigned long)intmem_virtual + MEM_INTMEM_START +
-		RESERVED_SIZE);
-}
-
-static int __init crisv32_intmem_setup(void)
-{
-	crisv32_intmem_init();
-
-	return 0;
-}
-device_initcall(crisv32_intmem_setup);
-