23 struct mpc85xx_cache_sram *cache_sram;  variable
31 	if (unlikely(cache_sram == NULL))  in mpc85xx_cache_sram_alloc()
34 	if (!size || (size > cache_sram->size) || (align > cache_sram->size)) {  in mpc85xx_cache_sram_alloc()
46 	spin_lock_irqsave(&cache_sram->lock, flags);  in mpc85xx_cache_sram_alloc()
47 	offset = rh_alloc_align(cache_sram->rh, size, align, NULL);  in mpc85xx_cache_sram_alloc()
48 	spin_unlock_irqrestore(&cache_sram->lock, flags);  in mpc85xx_cache_sram_alloc()
53 	*phys = cache_sram->base_phys + offset;  in mpc85xx_cache_sram_alloc()
55 	return (unsigned char *)cache_sram->base_virt + offset;  in mpc85xx_cache_sram_alloc()
64 	spin_lock_irqsave(&cache_sram->lock, flags);  in mpc85xx_cache_sram_free()
65 	rh_free(cache_sram->rh, ptr - cache_sram->base_virt);  in mpc85xx_cache_sram_free()
66 	spin_unlock_irqrestore(&cache_sram->lock, flags);  in mpc85xx_cache_sram_free()
75 	if (cache_sram) {  in instantiate_cache_sram()
80 	cache_sram = kzalloc(sizeof(struct mpc85xx_cache_sram), GFP_KERNEL);  in instantiate_cache_sram()
81 	if (!cache_sram) {  in instantiate_cache_sram()
86 	cache_sram->base_phys = sram_params.sram_offset;  in instantiate_cache_sram()
87 	cache_sram->size = sram_params.sram_size;  in instantiate_cache_sram()
89 	if (!request_mem_region(cache_sram->base_phys, cache_sram->size,  in instantiate_cache_sram()
97 	cache_sram->base_virt = ioremap_coherent(cache_sram->base_phys,  in instantiate_cache_sram()
98 						 cache_sram->size);  in instantiate_cache_sram()
99 	if (!cache_sram->base_virt) {  in instantiate_cache_sram()
106 	cache_sram->rh = rh_create(sizeof(unsigned int));  in instantiate_cache_sram()
107 	if (IS_ERR(cache_sram->rh)) {  in instantiate_cache_sram()
110 		ret = PTR_ERR(cache_sram->rh);  in instantiate_cache_sram()
114 	rh_attach_region(cache_sram->rh, 0, cache_sram->size);  in instantiate_cache_sram()
115 	spin_lock_init(&cache_sram->lock);  in instantiate_cache_sram()
118 		(unsigned long long)cache_sram->base_phys, cache_sram->size);  in instantiate_cache_sram()
123 	iounmap(cache_sram->base_virt);  in instantiate_cache_sram()
126 	release_mem_region(cache_sram->base_phys, cache_sram->size);  in instantiate_cache_sram()
129 	kfree(cache_sram);  in instantiate_cache_sram()
135 	BUG_ON(!cache_sram);  in remove_cache_sram()
137 	rh_detach_region(cache_sram->rh, 0, cache_sram->size);  in remove_cache_sram()
138 	rh_destroy(cache_sram->rh);  in remove_cache_sram()
140 	iounmap(cache_sram->base_virt);  in remove_cache_sram()
141 	release_mem_region(cache_sram->base_phys, cache_sram->size);  in remove_cache_sram()
143 	kfree(cache_sram);  in remove_cache_sram()
144 	cache_sram = NULL;  in remove_cache_sram()