159 static void k230_rst_clear_done(struct k230_rst *rstc, unsigned long id,  in k230_rst_clear_done()  argument
165 	guard(spinlock_irqsave)(&rstc->lock);  in k230_rst_clear_done()
167 	reg = readl(rstc->base + rmap->offset);  in k230_rst_clear_done()
171 	writel(reg, rstc->base + rmap->offset);  in k230_rst_clear_done()
174 static int k230_rst_wait_and_clear_done(struct k230_rst *rstc, unsigned long id,  in k230_rst_wait_and_clear_done()  argument
181 	ret = readl_poll_timeout(rstc->base + rmap->offset, reg,  in k230_rst_wait_and_clear_done()
184 		dev_err(rstc->rcdev.dev, "Wait for reset done timeout\n");  in k230_rst_wait_and_clear_done()
188 	k230_rst_clear_done(rstc, id, write_en);  in k230_rst_wait_and_clear_done()
193 static void k230_rst_update(struct k230_rst *rstc, unsigned long id,  in k230_rst_update()  argument
199 	guard(spinlock_irqsave)(&rstc->lock);  in k230_rst_update()
201 	reg = readl(rstc->base + rmap->offset);  in k230_rst_update()
208 	writel(reg, rstc->base + rmap->offset);  in k230_rst_update()
213 	struct k230_rst *rstc = to_k230_rst(rcdev);  in k230_rst_assert()  local
217 		k230_rst_update(rstc, id, true, true, false);  in k230_rst_assert()
220 		k230_rst_update(rstc, id, true, false,  in k230_rst_assert()
242 	struct k230_rst *rstc = to_k230_rst(rcdev);  in k230_rst_deassert()  local
247 		k230_rst_update(rstc, id, false, true, false);  in k230_rst_deassert()
248 		ret = k230_rst_wait_and_clear_done(rstc, id, true);  in k230_rst_deassert()
251 		k230_rst_update(rstc, id, false, false,  in k230_rst_deassert()
272 	struct k230_rst *rstc = to_k230_rst(rcdev);  in k230_rst_reset()  local
279 		k230_rst_clear_done(rstc, id, true);  in k230_rst_reset()
280 		k230_rst_update(rstc, id, true, true, false);  in k230_rst_reset()
281 		ret = k230_rst_wait_and_clear_done(rstc, id, true);  in k230_rst_reset()
292 		k230_rst_update(rstc, id, true, true, false);  in k230_rst_reset()
295 		ret = readl_poll_timeout(rstc->base + rmap->offset, reg,  in k230_rst_reset()
302 		k230_rst_clear_done(rstc, id, false);  in k230_rst_reset()
303 		k230_rst_update(rstc, id, true, false, false);  in k230_rst_reset()
304 		ret = k230_rst_wait_and_clear_done(rstc, id, false);  in k230_rst_reset()
333 	struct k230_rst *rstc;  in k230_rst_probe()  local
335 	rstc = devm_kzalloc(dev, sizeof(*rstc), GFP_KERNEL);  in k230_rst_probe()
336 	if (!rstc)  in k230_rst_probe()
339 	rstc->base = devm_platform_ioremap_resource(pdev, 0);  in k230_rst_probe()
340 	if (IS_ERR(rstc->base))  in k230_rst_probe()
341 		return PTR_ERR(rstc->base);  in k230_rst_probe()
343 	spin_lock_init(&rstc->lock);  in k230_rst_probe()
345 	rstc->rcdev.dev		= dev;  in k230_rst_probe()
346 	rstc->rcdev.owner	= THIS_MODULE;  in k230_rst_probe()
347 	rstc->rcdev.ops		= &k230_rst_ops;  in k230_rst_probe()
348 	rstc->rcdev.nr_resets	= ARRAY_SIZE(k230_resets);  in k230_rst_probe()
349 	rstc->rcdev.of_node	= dev->of_node;  in k230_rst_probe()
351 	return devm_reset_controller_register(dev, &rstc->rcdev);  in k230_rst_probe()