129 	struct aspeed_lpc_snoop *lpc_snoop = arg;  in aspeed_lpc_snoop_irq()  local
132 	if (regmap_read(lpc_snoop->regmap, HICR6, &reg))  in aspeed_lpc_snoop_irq()
141 	regmap_write(lpc_snoop->regmap, HICR6, reg);  in aspeed_lpc_snoop_irq()
144 	regmap_read(lpc_snoop->regmap, SNPWDR, &data);  in aspeed_lpc_snoop_irq()
149 		put_fifo_with_discard(&lpc_snoop->chan[0], val);  in aspeed_lpc_snoop_irq()
154 		put_fifo_with_discard(&lpc_snoop->chan[1], val);  in aspeed_lpc_snoop_irq()
160 static int aspeed_lpc_snoop_config_irq(struct aspeed_lpc_snoop *lpc_snoop,  in aspeed_lpc_snoop_config_irq()  argument
166 	lpc_snoop->irq = platform_get_irq(pdev, 0);  in aspeed_lpc_snoop_config_irq()
167 	if (!lpc_snoop->irq)  in aspeed_lpc_snoop_config_irq()
170 	rc = devm_request_irq(dev, lpc_snoop->irq,  in aspeed_lpc_snoop_config_irq()
172 			      DEVICE_NAME, lpc_snoop);  in aspeed_lpc_snoop_config_irq()
174 		dev_warn(dev, "Unable to request IRQ %d\n", lpc_snoop->irq);  in aspeed_lpc_snoop_config_irq()
175 		lpc_snoop->irq = 0;  in aspeed_lpc_snoop_config_irq()
182 static int aspeed_lpc_enable_snoop(struct aspeed_lpc_snoop *lpc_snoop,  in aspeed_lpc_enable_snoop()  argument
191 	init_waitqueue_head(&lpc_snoop->chan[channel].wq);  in aspeed_lpc_enable_snoop()
193 	rc = kfifo_alloc(&lpc_snoop->chan[channel].fifo,  in aspeed_lpc_enable_snoop()
198 	lpc_snoop->chan[channel].miscdev.minor = MISC_DYNAMIC_MINOR;  in aspeed_lpc_enable_snoop()
199 	lpc_snoop->chan[channel].miscdev.name =  in aspeed_lpc_enable_snoop()
201 	lpc_snoop->chan[channel].miscdev.fops = &snoop_fops;  in aspeed_lpc_enable_snoop()
202 	lpc_snoop->chan[channel].miscdev.parent = dev;  in aspeed_lpc_enable_snoop()
203 	rc = misc_register(&lpc_snoop->chan[channel].miscdev);  in aspeed_lpc_enable_snoop()
225 	regmap_update_bits(lpc_snoop->regmap, HICR5, hicr5_en, hicr5_en);  in aspeed_lpc_enable_snoop()
226 	regmap_update_bits(lpc_snoop->regmap, SNPWADR, snpwadr_mask,  in aspeed_lpc_enable_snoop()
229 		regmap_update_bits(lpc_snoop->regmap, HICRB,  in aspeed_lpc_enable_snoop()
235 static void aspeed_lpc_disable_snoop(struct aspeed_lpc_snoop *lpc_snoop,  in aspeed_lpc_disable_snoop()  argument
240 		regmap_update_bits(lpc_snoop->regmap, HICR5,  in aspeed_lpc_disable_snoop()
245 		regmap_update_bits(lpc_snoop->regmap, HICR5,  in aspeed_lpc_disable_snoop()
253 	kfifo_free(&lpc_snoop->chan[channel].fifo);  in aspeed_lpc_disable_snoop()
254 	misc_deregister(&lpc_snoop->chan[channel].miscdev);  in aspeed_lpc_disable_snoop()
259 	struct aspeed_lpc_snoop *lpc_snoop;  in aspeed_lpc_snoop_probe()  local
266 	lpc_snoop = devm_kzalloc(dev, sizeof(*lpc_snoop), GFP_KERNEL);  in aspeed_lpc_snoop_probe()
267 	if (!lpc_snoop)  in aspeed_lpc_snoop_probe()
270 	lpc_snoop->regmap = syscon_node_to_regmap(  in aspeed_lpc_snoop_probe()
272 	if (IS_ERR(lpc_snoop->regmap)) {  in aspeed_lpc_snoop_probe()
277 	dev_set_drvdata(&pdev->dev, lpc_snoop);  in aspeed_lpc_snoop_probe()
285 	rc = aspeed_lpc_snoop_config_irq(lpc_snoop, pdev);  in aspeed_lpc_snoop_probe()
289 	rc = aspeed_lpc_enable_snoop(lpc_snoop, dev, 0, port);  in aspeed_lpc_snoop_probe()
296 		rc = aspeed_lpc_enable_snoop(lpc_snoop, dev, 1, port);  in aspeed_lpc_snoop_probe()
298 			aspeed_lpc_disable_snoop(lpc_snoop, 0);  in aspeed_lpc_snoop_probe()
306 	struct aspeed_lpc_snoop *lpc_snoop = dev_get_drvdata(&pdev->dev);  in aspeed_lpc_snoop_remove()  local
309 	aspeed_lpc_disable_snoop(lpc_snoop, 0);  in aspeed_lpc_snoop_remove()
310 	aspeed_lpc_disable_snoop(lpc_snoop, 1);  in aspeed_lpc_snoop_remove()