devm_spi_alloc_target
ctlr = devm_spi_alloc_target(dev, sizeof(*spisg));
controller = devm_spi_alloc_target(&pdev->dev,
spi = devm_spi_alloc_target(dev, sizeof(*mas));
controller = devm_spi_alloc_target(dev, sizeof(*drv_data));
controller = devm_spi_alloc_target(dev, sizeof(*csi));
ctrl = devm_spi_alloc_target(&pdev->dev, sizeof(struct stm32_spi));
ctlr = devm_spi_alloc_target(dev, sizeof(*pspim));