32 	struct creg_gpio *hcg = gpiochip_get_data(gc);  in creg_gpio_set()  local
33 	const struct creg_layout *layout = hcg->layout;  in creg_gpio_set()
38 	value = val ? hcg->layout->on[offset] : hcg->layout->off[offset];  in creg_gpio_set()
44 	spin_lock_irqsave(&hcg->lock, flags);  in creg_gpio_set()
45 	reg = readl(hcg->regs);  in creg_gpio_set()
48 	writel(reg, hcg->regs);  in creg_gpio_set()
49 	spin_unlock_irqrestore(&hcg->lock, flags);  in creg_gpio_set()
59 static int creg_gpio_validate_pg(struct device *dev, struct creg_gpio *hcg,  in creg_gpio_validate_pg()  argument
62 	const struct creg_layout *layout = hcg->layout;  in creg_gpio_validate_pg()
81 static int creg_gpio_validate(struct device *dev, struct creg_gpio *hcg,  in creg_gpio_validate()  argument
87 	if (hcg->layout->ngpio < 1 || hcg->layout->ngpio > MAX_GPIO)  in creg_gpio_validate()
90 	if (ngpios < 1 || ngpios > hcg->layout->ngpio) {  in creg_gpio_validate()
91 		dev_err(dev, "ngpios must be in [1:%u]\n", hcg->layout->ngpio);  in creg_gpio_validate()
95 	for (i = 0; i < hcg->layout->ngpio; i++) {  in creg_gpio_validate()
96 		if (creg_gpio_validate_pg(dev, hcg, i))  in creg_gpio_validate()
99 		reg_len += hcg->layout->shift[i] + hcg->layout->bit_per_gpio[i];  in creg_gpio_validate()
139 	struct creg_gpio *hcg;  in creg_gpio_probe()  local
143 	hcg = devm_kzalloc(dev, sizeof(struct creg_gpio), GFP_KERNEL);  in creg_gpio_probe()
144 	if (!hcg)  in creg_gpio_probe()
147 	hcg->regs = devm_platform_ioremap_resource(pdev, 0);  in creg_gpio_probe()
148 	if (IS_ERR(hcg->regs))  in creg_gpio_probe()
149 		return PTR_ERR(hcg->regs);  in creg_gpio_probe()
152 	hcg->layout = match->data;  in creg_gpio_probe()
153 	if (!hcg->layout)  in creg_gpio_probe()
160 	ret = creg_gpio_validate(dev, hcg, ngpios);  in creg_gpio_probe()
164 	spin_lock_init(&hcg->lock);  in creg_gpio_probe()
166 	hcg->gc.parent = dev;  in creg_gpio_probe()
167 	hcg->gc.label = dev_name(dev);  in creg_gpio_probe()
168 	hcg->gc.base = -1;  in creg_gpio_probe()
169 	hcg->gc.ngpio = ngpios;  in creg_gpio_probe()
170 	hcg->gc.set = creg_gpio_set;  in creg_gpio_probe()
171 	hcg->gc.direction_output = creg_gpio_dir_out;  in creg_gpio_probe()
173 	ret = devm_gpiochip_add_data(dev, &hcg->gc, hcg);  in creg_gpio_probe()