1 // SPDX-License-Identifier: GPL-2.0
10 #include <linux/mfd/syscon.h>
24 	struct regmap_field *field = lock->priv;  in qcom_hwspinlock_trylock()
41 	struct regmap_field *field = lock->priv;  in qcom_hwspinlock_unlock()
67 	{ .compatible = "qcom,sfpb-mutex" },
68 	{ .compatible = "qcom,tcsr-mutex" },
76 	struct device_node *syscon;  in qcom_hwspinlock_probe_syscon()  local
80 	syscon = of_parse_phandle(pdev->dev.of_node, "syscon", 0);  in qcom_hwspinlock_probe_syscon()
81 	if (!syscon)  in qcom_hwspinlock_probe_syscon()
82 		return ERR_PTR(-ENODEV);  in qcom_hwspinlock_probe_syscon()
84 	regmap = syscon_node_to_regmap(syscon);  in qcom_hwspinlock_probe_syscon()
85 	of_node_put(syscon);  in qcom_hwspinlock_probe_syscon()
89 	ret = of_property_read_u32_index(pdev->dev.of_node, "syscon", 1, base);  in qcom_hwspinlock_probe_syscon()
91 		dev_err(&pdev->dev, "no offset in syscon\n");  in qcom_hwspinlock_probe_syscon()
92 		return ERR_PTR(-EINVAL);  in qcom_hwspinlock_probe_syscon()
95 	ret = of_property_read_u32_index(pdev->dev.of_node, "syscon", 2, stride);  in qcom_hwspinlock_probe_syscon()
97 		dev_err(&pdev->dev, "no stride syscon\n");  in qcom_hwspinlock_probe_syscon()
98 		return ERR_PTR(-EINVAL);  in qcom_hwspinlock_probe_syscon()
115 	struct device *dev = &pdev->dev;  in qcom_hwspinlock_probe_mmio()
140 	if (IS_ERR(regmap) && PTR_ERR(regmap) == -ENODEV)  in qcom_hwspinlock_probe()
147 	bank = devm_kzalloc(&pdev->dev, sizeof(*bank) + array_size, GFP_KERNEL);  in qcom_hwspinlock_probe()
149 		return -ENOMEM;  in qcom_hwspinlock_probe()
158 		bank->lock[i].priv = devm_regmap_field_alloc(&pdev->dev,  in qcom_hwspinlock_probe()
162 	return devm_hwspin_lock_register(&pdev->dev, bank, &qcom_hwspinlock_ops,  in qcom_hwspinlock_probe()