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Diffstat (limited to 'arch/x86/kernel/amd_iommu_init.c')
-rw-r--r--arch/x86/kernel/amd_iommu_init.c26
1 files changed, 6 insertions, 20 deletions
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 6e11c813415..246d727b65b 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -21,7 +21,7 @@
#include <linux/acpi.h>
#include <linux/list.h>
#include <linux/slab.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/interrupt.h>
#include <linux/msi.h>
#include <asm/pci-direct.h>
@@ -1260,7 +1260,7 @@ static void disable_iommus(void)
* disable suspend until real resume implemented
*/
-static int amd_iommu_resume(struct sys_device *dev)
+static void amd_iommu_resume(void)
{
struct amd_iommu *iommu;
@@ -1276,11 +1276,9 @@ static int amd_iommu_resume(struct sys_device *dev)
*/
amd_iommu_flush_all_devices();
amd_iommu_flush_all_domains();
-
- return 0;
}
-static int amd_iommu_suspend(struct sys_device *dev, pm_message_t state)
+static int amd_iommu_suspend(void)
{
/* disable IOMMUs to go out of the way for BIOS */
disable_iommus();
@@ -1288,17 +1286,11 @@ static int amd_iommu_suspend(struct sys_device *dev, pm_message_t state)
return 0;
}
-static struct sysdev_class amd_iommu_sysdev_class = {
- .name = "amd_iommu",
+static struct syscore_ops amd_iommu_syscore_ops = {
.suspend = amd_iommu_suspend,
.resume = amd_iommu_resume,
};
-static struct sys_device device_amd_iommu = {
- .id = 0,
- .cls = &amd_iommu_sysdev_class,
-};
-
/*
* This is the core init function for AMD IOMMU hardware in the system.
* This function is called from the generic x86 DMA layer initialization
@@ -1415,14 +1407,6 @@ static int __init amd_iommu_init(void)
goto free;
}
- ret = sysdev_class_register(&amd_iommu_sysdev_class);
- if (ret)
- goto free;
-
- ret = sysdev_register(&device_amd_iommu);
- if (ret)
- goto free;
-
ret = amd_iommu_init_devices();
if (ret)
goto free;
@@ -1441,6 +1425,8 @@ static int __init amd_iommu_init(void)
amd_iommu_init_notifier();
+ register_syscore_ops(&amd_iommu_syscore_ops);
+
if (iommu_pass_through)
goto out;