plat.c (e47c018a0ee6962fe3dd895407e2c49538cc066d) plat.c (8e75dff56e003cdd38643024c4f5f8ba227100c8)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * AMD HSMP Platform Driver
4 * Copyright (c) 2024, AMD.
5 * All Rights Reserved.
6 *
7 * This file provides platform device implementations.
8 */

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51}
52
53int hsmp_create_non_acpi_sysfs_if(struct device *dev)
54{
55 const struct attribute_group **hsmp_attr_grps;
56 struct attribute_group *attr_grp;
57 u16 i;
58
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * AMD HSMP Platform Driver
4 * Copyright (c) 2024, AMD.
5 * All Rights Reserved.
6 *
7 * This file provides platform device implementations.
8 */

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51}
52
53int hsmp_create_non_acpi_sysfs_if(struct device *dev)
54{
55 const struct attribute_group **hsmp_attr_grps;
56 struct attribute_group *attr_grp;
57 u16 i;
58
59 hsmp_attr_grps = devm_kcalloc(dev, plat_dev.num_sockets + 1,
59 hsmp_attr_grps = devm_kcalloc(dev, hsmp_pdev.num_sockets + 1,
60 sizeof(*hsmp_attr_grps),
61 GFP_KERNEL);
62 if (!hsmp_attr_grps)
63 return -ENOMEM;
64
65 /* Create a sysfs directory for each socket */
60 sizeof(*hsmp_attr_grps),
61 GFP_KERNEL);
62 if (!hsmp_attr_grps)
63 return -ENOMEM;
64
65 /* Create a sysfs directory for each socket */
66 for (i = 0; i < plat_dev.num_sockets; i++) {
66 for (i = 0; i < hsmp_pdev.num_sockets; i++) {
67 attr_grp = devm_kzalloc(dev, sizeof(struct attribute_group),
68 GFP_KERNEL);
69 if (!attr_grp)
70 return -ENOMEM;
71
67 attr_grp = devm_kzalloc(dev, sizeof(struct attribute_group),
68 GFP_KERNEL);
69 if (!attr_grp)
70 return -ENOMEM;
71
72 snprintf(plat_dev.sock[i].name, HSMP_ATTR_GRP_NAME_SIZE, "socket%u", (u8)i);
73 attr_grp->name = plat_dev.sock[i].name;
72 snprintf(hsmp_pdev.sock[i].name, HSMP_ATTR_GRP_NAME_SIZE, "socket%u", (u8)i);
73 attr_grp->name = hsmp_pdev.sock[i].name;
74 attr_grp->is_bin_visible = hsmp_is_sock_attr_visible;
75 hsmp_attr_grps[i] = attr_grp;
76
77 hsmp_create_attr_list(attr_grp, dev, i);
78 }
79
80 return device_add_groups(dev, hsmp_attr_grps);
81}

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88 return false;
89}
90
91int init_platform_device(struct device *dev)
92{
93 struct hsmp_socket *sock;
94 int ret, i;
95
74 attr_grp->is_bin_visible = hsmp_is_sock_attr_visible;
75 hsmp_attr_grps[i] = attr_grp;
76
77 hsmp_create_attr_list(attr_grp, dev, i);
78 }
79
80 return device_add_groups(dev, hsmp_attr_grps);
81}

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88 return false;
89}
90
91int init_platform_device(struct device *dev)
92{
93 struct hsmp_socket *sock;
94 int ret, i;
95
96 for (i = 0; i < plat_dev.num_sockets; i++) {
96 for (i = 0; i < hsmp_pdev.num_sockets; i++) {
97 if (!node_to_amd_nb(i))
98 return -ENODEV;
97 if (!node_to_amd_nb(i))
98 return -ENODEV;
99 sock = &plat_dev.sock[i];
99 sock = &hsmp_pdev.sock[i];
100 sock->root = node_to_amd_nb(i)->root;
101 sock->sock_ind = i;
102 sock->dev = dev;
103 sock->mbinfo.base_addr = SMN_HSMP_BASE;
104 sock->amd_hsmp_rdwr = amd_hsmp_pci_rdwr;
105
106 /*
107 * This is a transitional change from non-ACPI to ACPI, only

--- 29 unchanged lines hidden --- 		100 sock->root = node_to_amd_nb(i)->root;
101 sock->sock_ind = i;
102 sock->dev = dev;
103 sock->mbinfo.base_addr = SMN_HSMP_BASE;
104 sock->amd_hsmp_rdwr = amd_hsmp_pci_rdwr;
105
106 /*
107 * This is a transitional change from non-ACPI to ACPI, only

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