Merge remote-tracking branch 'asoc/topic/cs4271' into asoc-next

[firefly-linux-kernel-4.4.55.git] / drivers / acpi / osl.c

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 3ff267861541f7570a5b110b7893e0cb012f5917..586e7e993d3d01365dfdf9ec21c157e1df4bb490 100644 (file)
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -84,8 +84,7 @@ static acpi_osd_handler acpi_irq_handler;
 static void *acpi_irq_context;
 static struct workqueue_struct *kacpid_wq;
 static struct workqueue_struct *kacpi_notify_wq;
-struct workqueue_struct *kacpi_hotplug_wq;
-EXPORT_SYMBOL(kacpi_hotplug_wq);
+static struct workqueue_struct *kacpi_hotplug_wq;
 
 /*
  * This list of permanent mappings is for memory that may be accessed from
@@ -250,7 +249,7 @@ acpi_physical_address __init acpi_os_get_root_pointer(void)
                return acpi_rsdp;
 #endif
 
-       if (efi_enabled) {
+       if (efi_enabled(EFI_CONFIG_TABLES)) {
                if (efi.acpi20 != EFI_INVALID_TABLE_ADDR)
                        return efi.acpi20;
                else if (efi.acpi != EFI_INVALID_TABLE_ADDR)
@@ -661,7 +660,7 @@ static void acpi_table_taint(struct acpi_table_header *table)
        pr_warn(PREFIX
                "Override [%4.4s-%8.8s], this is unsafe: tainting kernel\n",
                table->signature, table->oem_table_id);
-       add_taint(TAINT_OVERRIDDEN_ACPI_TABLE);
+       add_taint(TAINT_OVERRIDDEN_ACPI_TABLE, LOCKDEP_NOW_UNRELIABLE);
 }
 
 
@@ -787,7 +786,7 @@ acpi_os_install_interrupt_handler(u32 gsi, acpi_osd_handler handler,
 
        acpi_irq_handler = handler;
        acpi_irq_context = context;
-       if (request_irq(irq, acpi_irq, IRQF_SHARED, "acpi", acpi_irq)) {
+       if (request_irq(irq, acpi_irq, IRQF_SHARED | IRQF_NO_SUSPEND, "acpi", acpi_irq)) {
                printk(KERN_ERR PREFIX "SCI (IRQ%d) allocation failed\n", irq);
                acpi_irq_handler = NULL;
                return AE_NOT_ACQUIRED;
@@ -1778,3 +1777,24 @@ void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
 {
        __acpi_os_prepare_sleep = func;
 }
+
+void alloc_acpi_hp_work(acpi_handle handle, u32 type, void *context,
+                       void (*func)(struct work_struct *work))
+{
+       struct acpi_hp_work *hp_work;
+       int ret;
+
+       hp_work = kmalloc(sizeof(*hp_work), GFP_KERNEL);
+       if (!hp_work)
+               return;
+
+       hp_work->handle = handle;
+       hp_work->type = type;
+       hp_work->context = context;
+
+       INIT_WORK(&hp_work->work, func);
+       ret = queue_work(kacpi_hotplug_wq, &hp_work->work);
+       if (!ret)
+               kfree(hp_work);
+}
+EXPORT_SYMBOL_GPL(alloc_acpi_hp_work);