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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Jul 2024 07:33:47.9664 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: dd5c2415-1414-47eb-6986-08dca17bcd83 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0001A102.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB6284 plat_dev is a commonly used variable name, since its made as extern now, change it to more specific name. Also change miscdevice hsmp_device to mdev. Signed-off-by: Suma Hegde Reviewed-by: Naveen Krishna Chatradhi Reviewed-by: Ilpo Järvinen --- Changes since v1: 1. This is a new patch to rename generic name "plat_dev" in hsmp.h, hsmp.c, plat.c and acpi.c to more specific name "hsmp_pdev" 2. Rename miscdevice hsmp_device to mdev. drivers/platform/x86/amd/hsmp/acpi.c | 10 +++--- drivers/platform/x86/amd/hsmp/hsmp.c | 22 ++++++------ drivers/platform/x86/amd/hsmp/hsmp.h | 4 +-- drivers/platform/x86/amd/hsmp/plat.c | 52 ++++++++++++++-------------- 4 files changed, 44 insertions(+), 44 deletions(-) diff --git a/drivers/platform/x86/amd/hsmp/acpi.c b/drivers/platform/x86/amd/hsmp/acpi.c index eca324774141..46cb86d5d550 100644 --- a/drivers/platform/x86/amd/hsmp/acpi.c +++ b/drivers/platform/x86/amd/hsmp/acpi.c @@ -191,12 +191,12 @@ static int hsmp_read_acpi_crs(struct hsmp_socket *sock) /* Parse the ACPI table to read the data */ static int hsmp_parse_acpi_table(struct device *dev, u16 sock_ind) { - struct hsmp_socket *sock = &plat_dev.sock[sock_ind]; + struct hsmp_socket *sock = &hsmp_pdev.sock[sock_ind]; int ret; - sock->sock_ind = sock_ind; - sock->dev = dev; - plat_dev.is_acpi_device = true; + sock->sock_ind = sock_ind; + sock->dev = dev; + hsmp_pdev.is_acpi_device = true; sema_init(&sock->hsmp_sem, 1); @@ -240,7 +240,7 @@ int init_acpi(struct device *dev) ret = hsmp_get_uid(dev, &sock_ind); if (ret) return ret; - if (sock_ind >= plat_dev.num_sockets) + if (sock_ind >= hsmp_pdev.num_sockets) return -EINVAL; ret = hsmp_parse_acpi_table(dev, sock_ind); diff --git a/drivers/platform/x86/amd/hsmp/hsmp.c b/drivers/platform/x86/amd/hsmp/hsmp.c index 8473c2d1258b..14edaace4379 100644 --- a/drivers/platform/x86/amd/hsmp/hsmp.c +++ b/drivers/platform/x86/amd/hsmp/hsmp.c @@ -29,12 +29,12 @@ #define HSMP_WR true #define HSMP_RD false -struct hsmp_plat_device plat_dev; +struct hsmp_plat_device hsmp_pdev; static int amd_hsmp_rdwr(struct hsmp_socket *sock, u32 offset, u32 *value, bool write) { - if (plat_dev.is_acpi_device) + if (hsmp_pdev.is_acpi_device) amd_hsmp_acpi_rdwr(sock, offset, value, write); else return amd_hsmp_pci_rdwr(sock, offset, value, write); @@ -177,9 +177,9 @@ int hsmp_send_message(struct hsmp_message *msg) if (ret) return ret; - if (!plat_dev.sock || msg->sock_ind >= plat_dev.num_sockets) + if (!hsmp_pdev.sock || msg->sock_ind >= hsmp_pdev.num_sockets) return -ENODEV; - sock = &plat_dev.sock[msg->sock_ind]; + sock = &hsmp_pdev.sock[msg->sock_ind]; /* * The time taken by smu operation to complete is between @@ -220,7 +220,7 @@ int hsmp_test(u16 sock_ind, u32 value) /* Check the response value */ if (msg.args[0] != (value + 1)) { - dev_err(plat_dev.sock[sock_ind].dev, + dev_err(hsmp_pdev.sock[sock_ind].dev, "Socket %d test message failed, Expected 0x%08X, received 0x%08X\n", sock_ind, (value + 1), msg.args[0]); return -EBADE; @@ -315,7 +315,7 @@ ssize_t hsmp_metric_tbl_read(struct file *filp, struct kobject *kobj, static int hsmp_get_tbl_dram_base(u16 sock_ind) { - struct hsmp_socket *sock = &plat_dev.sock[sock_ind]; + struct hsmp_socket *sock = &hsmp_pdev.sock[sock_ind]; struct hsmp_message msg = { 0 }; phys_addr_t dram_addr; int ret; @@ -349,7 +349,7 @@ static int hsmp_get_tbl_dram_base(u16 sock_ind) umode_t hsmp_is_sock_attr_visible(struct kobject *kobj, struct bin_attribute *battr, int id) { - if (plat_dev.proto_ver == HSMP_PROTO_VER6) + if (hsmp_pdev.proto_ver == HSMP_PROTO_VER6) return battr->attr.mode; else return 0; @@ -357,17 +357,17 @@ umode_t hsmp_is_sock_attr_visible(struct kobject *kobj, static int hsmp_init_metric_tbl_bin_attr(struct bin_attribute **hattrs, u16 sock_ind) { - struct bin_attribute *hattr = &plat_dev.sock[sock_ind].hsmp_attr; + struct bin_attribute *hattr = &hsmp_pdev.sock[sock_ind].hsmp_attr; sysfs_bin_attr_init(hattr); hattr->attr.name = HSMP_METRICS_TABLE_NAME; hattr->attr.mode = 0444; hattr->read = hsmp_metric_tbl_read; hattr->size = sizeof(struct hsmp_metric_table); - hattr->private = &plat_dev.sock[sock_ind]; + hattr->private = &hsmp_pdev.sock[sock_ind]; hattrs[0] = hattr; - if (plat_dev.proto_ver == HSMP_PROTO_VER6) + if (hsmp_pdev.proto_ver == HSMP_PROTO_VER6) return hsmp_get_tbl_dram_base(sock_ind); else return 0; @@ -404,7 +404,7 @@ int hsmp_cache_proto_ver(u16 sock_ind) ret = hsmp_send_message(&msg); if (!ret) - plat_dev.proto_ver = msg.args[0]; + hsmp_pdev.proto_ver = msg.args[0]; return ret; } diff --git a/drivers/platform/x86/amd/hsmp/hsmp.h b/drivers/platform/x86/amd/hsmp/hsmp.h index 1ff652dc0ef0..a77887d298b6 100644 --- a/drivers/platform/x86/amd/hsmp/hsmp.h +++ b/drivers/platform/x86/amd/hsmp/hsmp.h @@ -44,7 +44,7 @@ struct hsmp_socket { }; struct hsmp_plat_device { - struct miscdevice hsmp_device; + struct miscdevice mdev; struct hsmp_socket *sock; u32 proto_ver; u16 num_sockets; @@ -52,7 +52,7 @@ struct hsmp_plat_device { bool is_probed; }; -extern struct hsmp_plat_device plat_dev; +extern struct hsmp_plat_device hsmp_pdev; int init_acpi(struct device *dev); ssize_t hsmp_metric_tbl_read(struct file *filp, struct kobject *kobj, diff --git a/drivers/platform/x86/amd/hsmp/plat.c b/drivers/platform/x86/amd/hsmp/plat.c index 2ed5a9452244..c297540bb64c 100644 --- a/drivers/platform/x86/amd/hsmp/plat.c +++ b/drivers/platform/x86/amd/hsmp/plat.c @@ -68,21 +68,21 @@ static int hsmp_create_non_acpi_sysfs_if(struct device *dev) struct attribute_group *attr_grp; u16 i; - hsmp_attr_grps = devm_kcalloc(dev, plat_dev.num_sockets + 1, + hsmp_attr_grps = devm_kcalloc(dev, hsmp_pdev.num_sockets + 1, sizeof(*hsmp_attr_grps), GFP_KERNEL); if (!hsmp_attr_grps) return -ENOMEM; /* Create a sysfs directory for each socket */ - for (i = 0; i < plat_dev.num_sockets; i++) { + for (i = 0; i < hsmp_pdev.num_sockets; i++) { attr_grp = devm_kzalloc(dev, sizeof(struct attribute_group), GFP_KERNEL); if (!attr_grp) return -ENOMEM; - snprintf(plat_dev.sock[i].name, HSMP_ATTR_GRP_NAME_SIZE, "socket%u", (u8)i); - attr_grp->name = plat_dev.sock[i].name; + snprintf(hsmp_pdev.sock[i].name, HSMP_ATTR_GRP_NAME_SIZE, "socket%u", (u8)i); + attr_grp->name = hsmp_pdev.sock[i].name; attr_grp->is_bin_visible = hsmp_is_sock_attr_visible; hsmp_attr_grps[i] = attr_grp; @@ -105,10 +105,10 @@ static int init_platform_device(struct device *dev) struct hsmp_socket *sock; int ret, i; - for (i = 0; i < plat_dev.num_sockets; i++) { + for (i = 0; i < hsmp_pdev.num_sockets; i++) { if (!node_to_amd_nb(i)) return -ENODEV; - sock = &plat_dev.sock[i]; + sock = &hsmp_pdev.sock[i]; sock->root = node_to_amd_nb(i)->root; sock->sock_ind = i; sock->dev = dev; @@ -173,11 +173,11 @@ static int hsmp_pltdrv_probe(struct platform_device *pdev) * Hence allocate memory for all the sockets at once instead of allocating * on each probe. */ - if (!plat_dev.is_probed) { - plat_dev.sock = devm_kcalloc(&pdev->dev, plat_dev.num_sockets, - sizeof(*plat_dev.sock), - GFP_KERNEL); - if (!plat_dev.sock) + if (!hsmp_pdev.is_probed) { + hsmp_pdev.sock = devm_kcalloc(&pdev->dev, hsmp_pdev.num_sockets, + sizeof(*hsmp_pdev.sock), + GFP_KERNEL); + if (!hsmp_pdev.sock) return -ENOMEM; } @@ -201,19 +201,19 @@ static int hsmp_pltdrv_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Failed to create HSMP sysfs interface\n"); } - if (!plat_dev.is_probed) { - plat_dev.hsmp_device.name = HSMP_CDEV_NAME; - plat_dev.hsmp_device.minor = MISC_DYNAMIC_MINOR; - plat_dev.hsmp_device.fops = &hsmp_fops; - plat_dev.hsmp_device.parent = &pdev->dev; - plat_dev.hsmp_device.nodename = HSMP_DEVNODE_NAME; - plat_dev.hsmp_device.mode = 0644; + if (!hsmp_pdev.is_probed) { + hsmp_pdev.mdev.name = HSMP_CDEV_NAME; + hsmp_pdev.mdev.minor = MISC_DYNAMIC_MINOR; + hsmp_pdev.mdev.fops = &hsmp_fops; + hsmp_pdev.mdev.parent = &pdev->dev; + hsmp_pdev.mdev.nodename = HSMP_DEVNODE_NAME; + hsmp_pdev.mdev.mode = 0644; - ret = misc_register(&plat_dev.hsmp_device); + ret = misc_register(&hsmp_pdev.mdev); if (ret) return ret; - plat_dev.is_probed = true; + hsmp_pdev.is_probed = true; } return 0; @@ -225,9 +225,9 @@ static void hsmp_pltdrv_remove(struct platform_device *pdev) * We register only one misc_device even on multi socket system. * So, deregister should happen only once. */ - if (plat_dev.is_probed) { - misc_deregister(&plat_dev.hsmp_device); - plat_dev.is_probed = false; + if (hsmp_pdev.is_probed) { + misc_deregister(&hsmp_pdev.mdev); + hsmp_pdev.is_probed = false; } } @@ -299,15 +299,15 @@ static int __init hsmp_plt_init(void) * amd_nb_num() returns number of SMN/DF interfaces present in the system * if we have N SMN/DF interfaces that ideally means N sockets */ - plat_dev.num_sockets = amd_nb_num(); - if (plat_dev.num_sockets == 0 || plat_dev.num_sockets > MAX_AMD_SOCKETS) + hsmp_pdev.num_sockets = amd_nb_num(); + if (hsmp_pdev.num_sockets == 0 || hsmp_pdev.num_sockets > MAX_AMD_SOCKETS) return ret; ret = platform_driver_register(&amd_hsmp_driver); if (ret) return ret; - if (!plat_dev.is_acpi_device) { + if (!hsmp_pdev.is_acpi_device) { if (legacy_hsmp_support()) { /* Not ACPI device, but supports HSMP, register a plat_dev */ ret = hsmp_plat_dev_register();