#include <linux/iommu.h>
#include <linux/iopoll.h>
#include <linux/kconfig.h>
-#include <linux/module.h>
+#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/of.h>
#include <linux/of_address.h>
static int qcom_iommu_attach_dev(struct iommu_domain *domain, struct device *dev)
{
- struct qcom_iommu_dev *qcom_iommu = to_iommu(dev->iommu_fwspec);
+ struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
+ struct qcom_iommu_dev *qcom_iommu = to_iommu(fwspec);
struct qcom_iommu_domain *qcom_domain = to_qcom_iommu_domain(domain);
int ret;
/* Ensure that the domain is finalized */
pm_runtime_get_sync(qcom_iommu->dev);
- ret = qcom_iommu_init_domain(domain, qcom_iommu, dev->iommu_fwspec);
+ ret = qcom_iommu_init_domain(domain, qcom_iommu, fwspec);
pm_runtime_put_sync(qcom_iommu->dev);
if (ret < 0)
return ret;
static void qcom_iommu_detach_dev(struct iommu_domain *domain, struct device *dev)
{
- struct iommu_fwspec *fwspec = dev->iommu_fwspec;
+ struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
struct qcom_iommu_dev *qcom_iommu = to_iommu(fwspec);
struct qcom_iommu_domain *qcom_domain = to_qcom_iommu_domain(domain);
unsigned i;
static int qcom_iommu_add_device(struct device *dev)
{
- struct qcom_iommu_dev *qcom_iommu = to_iommu(dev->iommu_fwspec);
+ struct qcom_iommu_dev *qcom_iommu = to_iommu(dev_iommu_fwspec_get(dev));
struct iommu_group *group;
struct device_link *link;
static void qcom_iommu_remove_device(struct device *dev)
{
- struct qcom_iommu_dev *qcom_iommu = to_iommu(dev->iommu_fwspec);
+ struct qcom_iommu_dev *qcom_iommu = to_iommu(dev_iommu_fwspec_get(dev));
if (!qcom_iommu)
return;
static int qcom_iommu_of_xlate(struct device *dev, struct of_phandle_args *args)
{
+ struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
struct qcom_iommu_dev *qcom_iommu;
struct platform_device *iommu_pdev;
unsigned asid = args->args[0];
WARN_ON(asid > qcom_iommu->num_ctxs))
return -EINVAL;
- if (!dev->iommu_fwspec->iommu_priv) {
- dev->iommu_fwspec->iommu_priv = qcom_iommu;
+ if (!fwspec->iommu_priv) {
+ fwspec->iommu_priv = qcom_iommu;
} else {
/* make sure devices iommus dt node isn't referring to
* multiple different iommu devices. Multiple context
* banks are ok, but multiple devices are not:
*/
- if (WARN_ON(qcom_iommu != dev->iommu_fwspec->iommu_priv))
+ if (WARN_ON(qcom_iommu != fwspec->iommu_priv))
return -EINVAL;
}
.detach_dev = qcom_iommu_detach_dev,
.map = qcom_iommu_map,
.unmap = qcom_iommu_unmap,
- .map_sg = default_iommu_map_sg,
.flush_iotlb_all = qcom_iommu_iotlb_sync,
.iotlb_sync = qcom_iommu_iotlb_sync,
.iova_to_phys = qcom_iommu_iova_to_phys,
{ .compatible = "qcom,msm-iommu-v1" },
{ /* sentinel */ }
};
-MODULE_DEVICE_TABLE(of, qcom_iommu_of_match);
static struct platform_driver qcom_iommu_driver = {
.driver = {
return ret;
}
-
-static void __exit qcom_iommu_exit(void)
-{
- platform_driver_unregister(&qcom_iommu_driver);
- platform_driver_unregister(&qcom_iommu_ctx_driver);
-}
-
-module_init(qcom_iommu_init);
-module_exit(qcom_iommu_exit);
-
-MODULE_DESCRIPTION("IOMMU API for QCOM IOMMU v1 implementations");
-MODULE_LICENSE("GPL v2");
+device_initcall(qcom_iommu_init);