36 struct mpc85xx_cache_sram *cache_sram;  variable
44 	if (unlikely(cache_sram == NULL))  in mpc85xx_cache_sram_alloc()
47 	if (!size || (size > cache_sram->size) || (align > cache_sram->size)) {  in mpc85xx_cache_sram_alloc()
59 	spin_lock_irqsave(&cache_sram->lock, flags);  in mpc85xx_cache_sram_alloc()
60 	offset = rh_alloc_align(cache_sram->rh, size, align, NULL);  in mpc85xx_cache_sram_alloc()
61 	spin_unlock_irqrestore(&cache_sram->lock, flags);  in mpc85xx_cache_sram_alloc()
66 	*phys = cache_sram->base_phys + offset;  in mpc85xx_cache_sram_alloc()
68 	return (unsigned char *)cache_sram->base_virt + offset;  in mpc85xx_cache_sram_alloc()
77 	spin_lock_irqsave(&cache_sram->lock, flags);  in mpc85xx_cache_sram_free()
78 	rh_free(cache_sram->rh, ptr - cache_sram->base_virt);  in mpc85xx_cache_sram_free()
79 	spin_unlock_irqrestore(&cache_sram->lock, flags);  in mpc85xx_cache_sram_free()
88 	if (cache_sram) {  in instantiate_cache_sram()
93 	cache_sram = kzalloc(sizeof(struct mpc85xx_cache_sram), GFP_KERNEL);  in instantiate_cache_sram()
94 	if (!cache_sram) {  in instantiate_cache_sram()
99 	cache_sram->base_phys = sram_params.sram_offset;  in instantiate_cache_sram()
100 	cache_sram->size = sram_params.sram_size;  in instantiate_cache_sram()
102 	if (!request_mem_region(cache_sram->base_phys, cache_sram->size,  in instantiate_cache_sram()
110 	cache_sram->base_virt = ioremap_prot(cache_sram->base_phys,  in instantiate_cache_sram()
111 				cache_sram->size, _PAGE_COHERENT | PAGE_KERNEL);  in instantiate_cache_sram()
112 	if (!cache_sram->base_virt) {  in instantiate_cache_sram()
119 	cache_sram->rh = rh_create(sizeof(unsigned int));  in instantiate_cache_sram()
120 	if (IS_ERR(cache_sram->rh)) {  in instantiate_cache_sram()
123 		ret = PTR_ERR(cache_sram->rh);  in instantiate_cache_sram()
127 	rh_attach_region(cache_sram->rh, 0, cache_sram->size);  in instantiate_cache_sram()
128 	spin_lock_init(&cache_sram->lock);  in instantiate_cache_sram()
131 		(unsigned long long)cache_sram->base_phys, cache_sram->size);  in instantiate_cache_sram()
136 	iounmap(cache_sram->base_virt);  in instantiate_cache_sram()
139 	release_mem_region(cache_sram->base_phys, cache_sram->size);  in instantiate_cache_sram()
142 	kfree(cache_sram);  in instantiate_cache_sram()
148 	BUG_ON(!cache_sram);  in remove_cache_sram()
150 	rh_detach_region(cache_sram->rh, 0, cache_sram->size);  in remove_cache_sram()
151 	rh_destroy(cache_sram->rh);  in remove_cache_sram()
153 	iounmap(cache_sram->base_virt);  in remove_cache_sram()
154 	release_mem_region(cache_sram->base_phys, cache_sram->size);  in remove_cache_sram()
156 	kfree(cache_sram);  in remove_cache_sram()
157 	cache_sram = NULL;  in remove_cache_sram()