gpio: 74xx-mmio: Use of_device_get_match_data()

static int mmio_74xx_gpio_probe(struct platform_device *pdev)

{

	const struct of_device_id *of_id;

	struct mmio_74xx_gpio_priv *priv;

	struct resource *res;

	void __iomem *dat;

	int err;

	of_id = of_match_device(mmio_74xx_gpio_ids, &pdev->dev);

	if (!of_id)

		return -ENODEV;

	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);

	if (!priv)

		return -ENOMEM;

	priv->flags = (uintptr_t)of_device_get_match_data(&pdev->dev);

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	dat = devm_ioremap_resource(&pdev->dev, res);

	if (IS_ERR(dat))

		return PTR_ERR(dat);

	priv->flags = (uintptr_t) of_id->data;

	err = bgpio_init(&priv->gc, &pdev->dev,

			 DIV_ROUND_UP(MMIO_74XX_BIT_CNT(priv->flags), 8),

			 dat, NULL, NULL, NULL, NULL, 0);