SRAM_GRANULARITY
sram_pool = gen_pool_create(ilog2(SRAM_GRANULARITY), -1);
sram->pool = devm_gen_pool_create(sram->dev, ilog2(SRAM_GRANULARITY),
part->pool = devm_gen_pool_create(sram->dev, ilog2(SRAM_GRANULARITY),