hulk inclusion category: feature bugzilla: https://atomgit.com/src-openeuler/kernel/issues/20607 ----------------------------------------- This reverts commit 72974c6c8455fe8245e3b215102e7c3a068d8e55. Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com> Signed-off-by: Ziming Du <duziming2@huawei.com> --- drivers/soc/hisilicon/Kconfig | 10 --- drivers/soc/hisilicon/hisi_hbmdev.c | 134 ---------------------------- 2 files changed, 144 deletions(-) diff --git a/drivers/soc/hisilicon/Kconfig b/drivers/soc/hisilicon/Kconfig index 98f0e7d118dab..c4a341156580e 100644 --- a/drivers/soc/hisilicon/Kconfig +++ b/drivers/soc/hisilicon/Kconfig @@ -29,16 +29,6 @@ config HISI_HBMCACHE To compile the driver as a module, choose M here: the module will be called hisi_hbmcache. -config HISI_HBMDEV_ACLS - bool "Add support for HISI ACLS repair" - depends on HISI_HBMDEV - help - Add ACLS support for hbm device, which can be used to query and - repair hardware error in HBM devices. This feature need to work with - hardware firmwares. - - If not sure say no. - config KUNPENG_HCCS tristate "HCCS driver on Kunpeng SoC" depends on ACPI diff --git a/drivers/soc/hisilicon/hisi_hbmdev.c b/drivers/soc/hisilicon/hisi_hbmdev.c index 73f691902466f..f69446c835570 100644 --- a/drivers/soc/hisilicon/hisi_hbmdev.c +++ b/drivers/soc/hisilicon/hisi_hbmdev.c @@ -11,7 +11,6 @@ #include <linux/node.h> #include <linux/arch_topology.h> #include <linux/memory_hotplug.h> -#include <linux/mm.h> #include "hisi_internal.h" @@ -26,9 +25,6 @@ struct cdev_node { struct memory_dev { struct kobject *memdev_kobj; struct kobject *topo_kobj; -#ifdef CONFIG_HISI_HBMDEV_ACLS - struct kobject *acls_kobj; -#endif struct cdev_node cdev_list; nodemask_t cluster_cpumask[MAX_NUMNODES]; }; @@ -90,134 +86,6 @@ static void memory_topo_init(void) kobject_put(mdev->topo_kobj); } -#ifdef CONFIG_HISI_HBMDEV_ACLS -static struct acpi_device *paddr_to_acpi_device(u64 paddr) -{ - unsigned long pfn; - int nid; - - pfn = __phys_to_pfn(paddr); - if (!pfn_valid(pfn)) - return NULL; - - nid = pfn_to_nid(pfn); - if (nid < 0 && nid >= MAX_NUMNODES) - return NULL; - - return hotplug_mdev[nid]; -} - -static ssize_t acls_query_store(struct kobject *kobj, - struct kobj_attribute *attr, - const char *buf, size_t count) -{ - struct acpi_object_list arg_list; - struct acpi_device *adev; - union acpi_object obj; - acpi_status status; - u64 paddr, res; - - if (kstrtoull(buf, 16, &paddr)) - return -EINVAL; - - adev = paddr_to_acpi_device(paddr); - if (!adev) - return -EINVAL; - - obj.type = ACPI_TYPE_INTEGER; - obj.integer.value = paddr; - arg_list.count = 1; - arg_list.pointer = &obj; - - status = acpi_evaluate_integer(adev->handle, "AQRY", &arg_list, &res); - if (ACPI_FAILURE(status)) - return -ENODEV; - - /* AQRY will return a positive error code to represent error status */ - if (IS_ERR_VALUE(-res)) - return -res; - else if (res) - return -ENODEV; - - return count; -} - -static struct kobj_attribute acls_query_store_attribute = - __ATTR(acls_query, 0200, NULL, acls_query_store); - -static ssize_t acls_repair_store(struct kobject *kobj, - struct kobj_attribute *attr, - const char *buf, size_t count) -{ - struct acpi_object_list arg_list; - struct acpi_device *adev; - union acpi_object obj; - acpi_status status; - u64 paddr, res; - - if (kstrtoull(buf, 16, &paddr)) - return -EINVAL; - - adev = paddr_to_acpi_device(paddr); - if (!adev) - return -EINVAL; - - obj.type = ACPI_TYPE_INTEGER; - obj.integer.value = paddr; - arg_list.count = 1; - arg_list.pointer = &obj; - - status = acpi_evaluate_integer(adev->handle, "AREP", &arg_list, &res); - if (ACPI_FAILURE(status)) - return -ENODEV; - - /* AREP will return a positive error code to represent error status */ - if (IS_ERR_VALUE(-res)) - return -res; - else if (res) - return -ENODEV; - - return count; -} -static struct kobj_attribute acls_repair_store_attribute = - __ATTR(acls_repair, 0200, NULL, acls_repair_store); - -static struct attribute *acls_attrs[] = { - &acls_query_store_attribute.attr, - &acls_repair_store_attribute.attr, - NULL, -}; - -static struct attribute_group acls_attr_group = { - .attrs = acls_attrs, -}; - -static void acls_init(void) -{ - int ret = -ENOMEM; - - mdev->acls_kobj = kobject_create_and_add("acls", mdev->memdev_kobj); - if (!mdev->acls_kobj) - goto out; - - ret = sysfs_create_group(mdev->acls_kobj, &acls_attr_group); - if (ret) - kobject_put(mdev->acls_kobj); - -out: - if (ret) - pr_err("ACLS hot repair is not enabled\n"); -} - -static void acls_remove(void) -{ - kobject_put(mdev->acls_kobj); -} -#else -static void acls_init(void) {} -static void acls_remove(void) {} -#endif - static int get_pxm(struct acpi_device *acpi_device, void *arg) { acpi_handle handle = acpi_device->handle; @@ -461,7 +329,6 @@ static int __init mdev_init(void) } memory_topo_init(); - acls_init(); return ret; } module_init(mdev_init); @@ -471,7 +338,6 @@ static void __exit mdev_exit(void) container_remove(); kobject_put(mdev->memdev_kobj); kobject_put(mdev->topo_kobj); - acls_remove(); kfree(mdev); } module_exit(mdev_exit); -- 2.43.0