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-rw-r--r--drivers/acpi/internal.h2
-rw-r--r--drivers/acpi/scan.c16
-rw-r--r--drivers/acpi/sysfs.c9
3 files changed, 8 insertions, 19 deletions
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index f15900132912..66229ffa909b 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -65,8 +65,6 @@ static inline void acpi_cmos_rtc_init(void) {}
#endif
int acpi_rev_override_setup(char *str);
-extern bool acpi_force_hot_remove;
-
void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
const char *name);
int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 192691880d55..e2080b6e54aa 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -30,12 +30,6 @@ extern struct acpi_device *acpi_root;
#define INVALID_ACPI_HANDLE ((acpi_handle)empty_zero_page)
-/*
- * If set, devices will be hot-removed even if they cannot be put offline
- * gracefully (from the kernel's standpoint).
- */
-bool acpi_force_hot_remove;
-
static const char *dummy_hid = "device";
static LIST_HEAD(acpi_dep_list);
@@ -170,9 +164,6 @@ static acpi_status acpi_bus_offline(acpi_handle handle, u32 lvl, void *data,
pn->put_online = false;
}
ret = device_offline(pn->dev);
- if (acpi_force_hot_remove)
- continue;
-
if (ret >= 0) {
pn->put_online = !ret;
} else {
@@ -241,11 +232,11 @@ static int acpi_scan_try_to_offline(struct acpi_device *device)
acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,
NULL, acpi_bus_offline, (void *)true,
(void **)&errdev);
- if (!errdev || acpi_force_hot_remove)
+ if (!errdev)
acpi_bus_offline(handle, 0, (void *)true,
(void **)&errdev);
- if (errdev && !acpi_force_hot_remove) {
+ if (errdev) {
dev_warn(errdev, "Offline failed.\n");
acpi_bus_online(handle, 0, NULL, NULL);
acpi_walk_namespace(ACPI_TYPE_ANY, handle,
@@ -263,8 +254,7 @@ static int acpi_scan_hot_remove(struct acpi_device *device)
unsigned long long sta;
acpi_status status;
- if (device->handler && device->handler->hotplug.demand_offline
- && !acpi_force_hot_remove) {
+ if (device->handler && device->handler->hotplug.demand_offline) {
if (!acpi_scan_is_offline(device, true))
return -EBUSY;
} else {
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index cf05ae973381..1b5ee1e0e5a3 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -921,7 +921,7 @@ void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
static ssize_t force_remove_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
- return sprintf(buf, "%d\n", !!acpi_force_hot_remove);
+ return sprintf(buf, "%d\n", 0);
}
static ssize_t force_remove_store(struct kobject *kobj,
@@ -935,9 +935,10 @@ static ssize_t force_remove_store(struct kobject *kobj,
if (ret < 0)
return ret;
- lock_device_hotplug();
- acpi_force_hot_remove = val;
- unlock_device_hotplug();
+ if (val) {
+ pr_err("Enabling force_remove is not supported anymore. Please report to linux-acpi@vger.kernel.org if you depend on this functionality\n");
+ return -EINVAL;
+ }
return size;
}