clk/hisilicon/reset.c

46 	struct hisi_reset_controller *rstc = to_hisi_reset_controller(rcdev);
54 	spin_lock_irqsave(&rstc->lock, flags);
56 	reg = readl(rstc->membase + offset);
57 	writel(reg | BIT(bit), rstc->membase + offset);
59 	spin_unlock_irqrestore(&rstc->lock, flags);
67 	struct hisi_reset_controller *rstc = to_hisi_reset_controller(rcdev);
75 	spin_lock_irqsave(&rstc->lock, flags);
77 	reg = readl(rstc->membase + offset);
78 	writel(reg & ~BIT(bit), rstc->membase + offset);
80 	spin_unlock_irqrestore(&rstc->lock, flags);
92 	struct hisi_reset_controller *rstc;
94 	rstc = devm_kmalloc(&pdev->dev, sizeof(*rstc), GFP_KERNEL);
95 	if (!rstc)
98 	rstc->membase = devm_platform_ioremap_resource(pdev, 0);
99 	if (IS_ERR(rstc->membase))
102 	spin_lock_init(&rstc->lock);
103 	rstc->rcdev.owner = THIS_MODULE;
104 	rstc->rcdev.ops = &hisi_reset_ops;
105 	rstc->rcdev.of_node = pdev->dev.of_node;
106 	rstc->rcdev.of_reset_n_cells = 2;
107 	rstc->rcdev.of_xlate = hisi_reset_of_xlate;
108 	reset_controller_register(&rstc->rcdev);
110 	return rstc;
114 void hisi_reset_exit(struct hisi_reset_controller *rstc)
116 	reset_controller_unregister(&rstc->rcdev);