164 	struct aspeed_lpc_snoop *lpc_snoop = arg;  in aspeed_lpc_snoop_irq()  local
167 	if (regmap_read(lpc_snoop->regmap, HICR6, &reg))  in aspeed_lpc_snoop_irq()
176 	regmap_write(lpc_snoop->regmap, HICR6, reg);  in aspeed_lpc_snoop_irq()
179 	regmap_read(lpc_snoop->regmap, SNPWDR, &data);  in aspeed_lpc_snoop_irq()
184 		put_fifo_with_discard(&lpc_snoop->chan[0], val);  in aspeed_lpc_snoop_irq()
189 		put_fifo_with_discard(&lpc_snoop->chan[1], val);  in aspeed_lpc_snoop_irq()
195 static int aspeed_lpc_snoop_config_irq(struct aspeed_lpc_snoop *lpc_snoop,  in aspeed_lpc_snoop_config_irq()  argument
201 	lpc_snoop->irq = platform_get_irq(pdev, 0);  in aspeed_lpc_snoop_config_irq()
202 	if (lpc_snoop->irq < 0)  in aspeed_lpc_snoop_config_irq()
205 	rc = devm_request_irq(dev, lpc_snoop->irq,  in aspeed_lpc_snoop_config_irq()
207 			      DEVICE_NAME, lpc_snoop);  in aspeed_lpc_snoop_config_irq()
209 		dev_warn(dev, "Unable to request IRQ %d\n", lpc_snoop->irq);  in aspeed_lpc_snoop_config_irq()
210 		lpc_snoop->irq = 0;  in aspeed_lpc_snoop_config_irq()
219 				    struct aspeed_lpc_snoop *lpc_snoop,  in aspeed_lpc_enable_snoop()  argument
251 	regmap_set_bits(lpc_snoop->regmap, HICR5, cfg->hicr5_en);  in aspeed_lpc_enable_snoop()
252 	regmap_update_bits(lpc_snoop->regmap, SNPWADR, cfg->snpwadr_mask,  in aspeed_lpc_enable_snoop()
257 		regmap_set_bits(lpc_snoop->regmap, HICRB, cfg->hicrb_en);  in aspeed_lpc_enable_snoop()
269 static void aspeed_lpc_disable_snoop(struct aspeed_lpc_snoop *lpc_snoop,  in aspeed_lpc_disable_snoop()  argument
276 	regmap_clear_bits(lpc_snoop->regmap, HICR5, channel->cfg->hicr5_en);  in aspeed_lpc_disable_snoop()
286 	struct aspeed_lpc_snoop *lpc_snoop = dev_get_drvdata(&pdev->dev);  in aspeed_lpc_snoop_remove()  local
289 	aspeed_lpc_disable_snoop(lpc_snoop, &lpc_snoop->chan[0]);  in aspeed_lpc_snoop_remove()
290 	aspeed_lpc_disable_snoop(lpc_snoop, &lpc_snoop->chan[1]);  in aspeed_lpc_snoop_remove()
295 	struct aspeed_lpc_snoop *lpc_snoop;  in aspeed_lpc_snoop_probe()  local
303 	lpc_snoop = devm_kzalloc(dev, sizeof(*lpc_snoop), GFP_KERNEL);  in aspeed_lpc_snoop_probe()
304 	if (!lpc_snoop)  in aspeed_lpc_snoop_probe()
315 	lpc_snoop->regmap = syscon_node_to_regmap(np);  in aspeed_lpc_snoop_probe()
316 	if (IS_ERR(lpc_snoop->regmap))  in aspeed_lpc_snoop_probe()
317 		return dev_err_probe(dev, PTR_ERR(lpc_snoop->regmap), "Couldn't get regmap\n");  in aspeed_lpc_snoop_probe()
319 	dev_set_drvdata(&pdev->dev, lpc_snoop);  in aspeed_lpc_snoop_probe()
321 	lpc_snoop->clk = devm_clk_get_enabled(dev, NULL);  in aspeed_lpc_snoop_probe()
322 	if (IS_ERR(lpc_snoop->clk))  in aspeed_lpc_snoop_probe()
323 		return dev_err_probe(dev, PTR_ERR(lpc_snoop->clk), "couldn't get clock");  in aspeed_lpc_snoop_probe()
325 	rc = aspeed_lpc_snoop_config_irq(lpc_snoop, pdev);  in aspeed_lpc_snoop_probe()
329 	static_assert(ARRAY_SIZE(channel_cfgs) == ARRAY_SIZE(lpc_snoop->chan),  in aspeed_lpc_snoop_probe()
338 		rc = aspeed_lpc_enable_snoop(dev, lpc_snoop, &lpc_snoop->chan[idx],  in aspeed_lpc_snoop_probe()