1 // SPDX-License-Identifier: GPL-2.0
10 #include <linux/mfd/syscon.h>
25 	struct regmap_field *field = lock->priv;  in qcom_hwspinlock_trylock()
42 	struct regmap_field *field = lock->priv;  in qcom_hwspinlock_unlock()
68 	{ .compatible = "qcom,sfpb-mutex" },
69 	{ .compatible = "qcom,tcsr-mutex" },
77 	struct device_node *syscon;  in qcom_hwspinlock_probe()  local
86 	syscon = of_parse_phandle(pdev->dev.of_node, "syscon", 0);  in qcom_hwspinlock_probe()
87 	if (!syscon) {  in qcom_hwspinlock_probe()
88 		dev_err(&pdev->dev, "no syscon property\n");  in qcom_hwspinlock_probe()
89 		return -ENODEV;  in qcom_hwspinlock_probe()
92 	regmap = syscon_node_to_regmap(syscon);  in qcom_hwspinlock_probe()
93 	of_node_put(syscon);  in qcom_hwspinlock_probe()
97 	ret = of_property_read_u32_index(pdev->dev.of_node, "syscon", 1, &base);  in qcom_hwspinlock_probe()
99 		dev_err(&pdev->dev, "no offset in syscon\n");  in qcom_hwspinlock_probe()
100 		return -EINVAL;  in qcom_hwspinlock_probe()
103 	ret = of_property_read_u32_index(pdev->dev.of_node, "syscon", 2, &stride);  in qcom_hwspinlock_probe()
105 		dev_err(&pdev->dev, "no stride syscon\n");  in qcom_hwspinlock_probe()
106 		return -EINVAL;  in qcom_hwspinlock_probe()
110 	bank = devm_kzalloc(&pdev->dev, sizeof(*bank) + array_size, GFP_KERNEL);  in qcom_hwspinlock_probe()
112 		return -ENOMEM;  in qcom_hwspinlock_probe()
121 		bank->lock[i].priv = devm_regmap_field_alloc(&pdev->dev,  in qcom_hwspinlock_probe()
125 	pm_runtime_enable(&pdev->dev);  in qcom_hwspinlock_probe()
127 	ret = hwspin_lock_register(bank, &pdev->dev, &qcom_hwspinlock_ops,  in qcom_hwspinlock_probe()
130 		pm_runtime_disable(&pdev->dev);  in qcom_hwspinlock_probe()
142 		dev_err(&pdev->dev, "%s failed: %d\n", __func__, ret);  in qcom_hwspinlock_remove()
146 	pm_runtime_disable(&pdev->dev);  in qcom_hwspinlock_remove()