1 // SPDX-License-Identifier: GPL-2.0
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4  * Copyright (C) 2019-2020 Linaro Ltd.
9 #include "ipa.h"
12 int ipa_reg_init(struct ipa *ipa)  in ipa_reg_init()  argument
14 	struct device *dev = &ipa->pdev->dev;  in ipa_reg_init()
17 	/* Setup IPA register memory  */  in ipa_reg_init()
18 	res = platform_get_resource_byname(ipa->pdev, IORESOURCE_MEM,  in ipa_reg_init()
19 					   "ipa-reg");  in ipa_reg_init()
21 		dev_err(dev, "DT error getting \"ipa-reg\" memory property\n");  in ipa_reg_init()
22 		return -ENODEV;  in ipa_reg_init()
25 	ipa->reg_virt = ioremap(res->start, resource_size(res));  in ipa_reg_init()
26 	if (!ipa->reg_virt) {  in ipa_reg_init()
27 		dev_err(dev, "unable to remap \"ipa-reg\" memory\n");  in ipa_reg_init()
28 		return -ENOMEM;  in ipa_reg_init()
30 	ipa->reg_addr = res->start;  in ipa_reg_init()
35 void ipa_reg_exit(struct ipa *ipa)  in ipa_reg_exit()  argument
37 	iounmap(ipa->reg_virt);  in ipa_reg_exit()