1579 	struct unittest_gpio_dev *devptr;  in unittest_gpio_probe()  local
1584 	devptr = kzalloc(sizeof(*devptr), GFP_KERNEL);  in unittest_gpio_probe()
1585 	if (!devptr)  in unittest_gpio_probe()
1588 	platform_set_drvdata(pdev, devptr);  in unittest_gpio_probe()
1590 	devptr->chip.of_node = pdev->dev.of_node;  in unittest_gpio_probe()
1591 	devptr->chip.label = "of-unittest-gpio";  in unittest_gpio_probe()
1592 	devptr->chip.base = -1; /* dynamic allocation */  in unittest_gpio_probe()
1593 	devptr->chip.ngpio = 5;  in unittest_gpio_probe()
1594 	devptr->chip.request = unittest_gpio_chip_request;  in unittest_gpio_probe()
1596 	ret = gpiochip_add_data(&devptr->chip, NULL);  in unittest_gpio_probe()
1599 		 "gpiochip_add_data() for node @%pOF failed, ret = %d\n", devptr->chip.of_node, ret);  in unittest_gpio_probe()