29 	struct sram_partition *part;  in sram_read()  local
31 	part = container_of(attr, struct sram_partition, battr);  in sram_read()
33 	mutex_lock(&part->lock);  in sram_read()
34 	memcpy_fromio(buf, part->base + pos, count);  in sram_read()
35 	mutex_unlock(&part->lock);  in sram_read()
44 	struct sram_partition *part;  in sram_write()  local
46 	part = container_of(attr, struct sram_partition, battr);  in sram_write()
48 	mutex_lock(&part->lock);  in sram_write()
49 	memcpy_toio(part->base + pos, buf, count);  in sram_write()
50 	mutex_unlock(&part->lock);  in sram_write()
56 			 phys_addr_t start, struct sram_partition *part)  in sram_add_pool()  argument
60 	part->pool = devm_gen_pool_create(sram->dev, ilog2(SRAM_GRANULARITY),  in sram_add_pool()
62 	if (IS_ERR(part->pool))  in sram_add_pool()
63 		return PTR_ERR(part->pool);  in sram_add_pool()
65 	ret = gen_pool_add_virt(part->pool, (unsigned long)part->base, start,  in sram_add_pool()
76 			   phys_addr_t start, struct sram_partition *part)  in sram_add_export()  argument
78 	sysfs_bin_attr_init(&part->battr);  in sram_add_export()
79 	part->battr.attr.name = devm_kasprintf(sram->dev, GFP_KERNEL,  in sram_add_export()
82 	if (!part->battr.attr.name)  in sram_add_export()
85 	part->battr.attr.mode = S_IRUSR | S_IWUSR;  in sram_add_export()
86 	part->battr.read = sram_read;  in sram_add_export()
87 	part->battr.write = sram_write;  in sram_add_export()
88 	part->battr.size = block->size;  in sram_add_export()
90 	return device_create_bin_file(sram->dev, &part->battr);  in sram_add_export()
97 	struct sram_partition *part = &sram->partition[sram->partitions];  in sram_add_partition()  local
99 	mutex_init(&part->lock);  in sram_add_partition()
114 		part->base = virt_base;  in sram_add_partition()
116 		part->base = sram->virt_base + block->start;  in sram_add_partition()
120 		ret = sram_add_pool(sram, block, start, part);  in sram_add_partition()
125 		ret = sram_add_export(sram, block, start, part);  in sram_add_partition()
130 		ret = sram_check_protect_exec(sram, block, part);  in sram_add_partition()
134 		ret = sram_add_pool(sram, block, start, part);  in sram_add_partition()
138 		sram_add_protect_exec(part);  in sram_add_partition()
148 	struct sram_partition *part;  in sram_free_partitions()  local
153 	part = &sram->partition[sram->partitions - 1];  in sram_free_partitions()
154 	for (; sram->partitions; sram->partitions--, part--) {  in sram_free_partitions()
155 		if (part->battr.size)  in sram_free_partitions()
156 			device_remove_bin_file(sram->dev, &part->battr);  in sram_free_partitions()
158 		if (part->pool &&  in sram_free_partitions()
159 		    gen_pool_avail(part->pool) < gen_pool_size(part->pool))  in sram_free_partitions()