Commit 0f45b04d authored by Joerg Roedel's avatar Joerg Roedel

iommu/exynos: Use dev_iommu_priv_get/set()

Remove the use of dev->archdata.iommu and use the private per-device
pointer provided by IOMMU core code instead.
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
Reviewed-by: default avatarJerry Snitselaar <jsnitsel@redhat.com>
Acked-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20200625130836.1916-2-joro@8bytes.org
parent 97047191
...@@ -173,7 +173,7 @@ static u32 lv2ent_offset(sysmmu_iova_t iova) ...@@ -173,7 +173,7 @@ static u32 lv2ent_offset(sysmmu_iova_t iova)
#define REG_V5_FAULT_AR_VA 0x070 #define REG_V5_FAULT_AR_VA 0x070
#define REG_V5_FAULT_AW_VA 0x080 #define REG_V5_FAULT_AW_VA 0x080
#define has_sysmmu(dev) (dev->archdata.iommu != NULL) #define has_sysmmu(dev) (dev_iommu_priv_get(dev) != NULL)
static struct device *dma_dev; static struct device *dma_dev;
static struct kmem_cache *lv2table_kmem_cache; static struct kmem_cache *lv2table_kmem_cache;
...@@ -226,7 +226,7 @@ static const struct sysmmu_fault_info sysmmu_v5_faults[] = { ...@@ -226,7 +226,7 @@ static const struct sysmmu_fault_info sysmmu_v5_faults[] = {
}; };
/* /*
* This structure is attached to dev.archdata.iommu of the master device * This structure is attached to dev->iommu->priv of the master device
* on device add, contains a list of SYSMMU controllers defined by device tree, * on device add, contains a list of SYSMMU controllers defined by device tree,
* which are bound to given master device. It is usually referenced by 'owner' * which are bound to given master device. It is usually referenced by 'owner'
* pointer. * pointer.
...@@ -670,7 +670,7 @@ static int __maybe_unused exynos_sysmmu_suspend(struct device *dev) ...@@ -670,7 +670,7 @@ static int __maybe_unused exynos_sysmmu_suspend(struct device *dev)
struct device *master = data->master; struct device *master = data->master;
if (master) { if (master) {
struct exynos_iommu_owner *owner = master->archdata.iommu; struct exynos_iommu_owner *owner = dev_iommu_priv_get(master);
mutex_lock(&owner->rpm_lock); mutex_lock(&owner->rpm_lock);
if (data->domain) { if (data->domain) {
...@@ -688,7 +688,7 @@ static int __maybe_unused exynos_sysmmu_resume(struct device *dev) ...@@ -688,7 +688,7 @@ static int __maybe_unused exynos_sysmmu_resume(struct device *dev)
struct device *master = data->master; struct device *master = data->master;
if (master) { if (master) {
struct exynos_iommu_owner *owner = master->archdata.iommu; struct exynos_iommu_owner *owner = dev_iommu_priv_get(master);
mutex_lock(&owner->rpm_lock); mutex_lock(&owner->rpm_lock);
if (data->domain) { if (data->domain) {
...@@ -837,8 +837,8 @@ static void exynos_iommu_domain_free(struct iommu_domain *iommu_domain) ...@@ -837,8 +837,8 @@ static void exynos_iommu_domain_free(struct iommu_domain *iommu_domain)
static void exynos_iommu_detach_device(struct iommu_domain *iommu_domain, static void exynos_iommu_detach_device(struct iommu_domain *iommu_domain,
struct device *dev) struct device *dev)
{ {
struct exynos_iommu_owner *owner = dev->archdata.iommu;
struct exynos_iommu_domain *domain = to_exynos_domain(iommu_domain); struct exynos_iommu_domain *domain = to_exynos_domain(iommu_domain);
struct exynos_iommu_owner *owner = dev_iommu_priv_get(dev);
phys_addr_t pagetable = virt_to_phys(domain->pgtable); phys_addr_t pagetable = virt_to_phys(domain->pgtable);
struct sysmmu_drvdata *data, *next; struct sysmmu_drvdata *data, *next;
unsigned long flags; unsigned long flags;
...@@ -875,8 +875,8 @@ static void exynos_iommu_detach_device(struct iommu_domain *iommu_domain, ...@@ -875,8 +875,8 @@ static void exynos_iommu_detach_device(struct iommu_domain *iommu_domain,
static int exynos_iommu_attach_device(struct iommu_domain *iommu_domain, static int exynos_iommu_attach_device(struct iommu_domain *iommu_domain,
struct device *dev) struct device *dev)
{ {
struct exynos_iommu_owner *owner = dev->archdata.iommu;
struct exynos_iommu_domain *domain = to_exynos_domain(iommu_domain); struct exynos_iommu_domain *domain = to_exynos_domain(iommu_domain);
struct exynos_iommu_owner *owner = dev_iommu_priv_get(dev);
struct sysmmu_drvdata *data; struct sysmmu_drvdata *data;
phys_addr_t pagetable = virt_to_phys(domain->pgtable); phys_addr_t pagetable = virt_to_phys(domain->pgtable);
unsigned long flags; unsigned long flags;
...@@ -1237,7 +1237,7 @@ static phys_addr_t exynos_iommu_iova_to_phys(struct iommu_domain *iommu_domain, ...@@ -1237,7 +1237,7 @@ static phys_addr_t exynos_iommu_iova_to_phys(struct iommu_domain *iommu_domain,
static struct iommu_device *exynos_iommu_probe_device(struct device *dev) static struct iommu_device *exynos_iommu_probe_device(struct device *dev)
{ {
struct exynos_iommu_owner *owner = dev->archdata.iommu; struct exynos_iommu_owner *owner = dev_iommu_priv_get(dev);
struct sysmmu_drvdata *data; struct sysmmu_drvdata *data;
if (!has_sysmmu(dev)) if (!has_sysmmu(dev))
...@@ -1263,7 +1263,7 @@ static struct iommu_device *exynos_iommu_probe_device(struct device *dev) ...@@ -1263,7 +1263,7 @@ static struct iommu_device *exynos_iommu_probe_device(struct device *dev)
static void exynos_iommu_release_device(struct device *dev) static void exynos_iommu_release_device(struct device *dev)
{ {
struct exynos_iommu_owner *owner = dev->archdata.iommu; struct exynos_iommu_owner *owner = dev_iommu_priv_get(dev);
struct sysmmu_drvdata *data; struct sysmmu_drvdata *data;
if (!has_sysmmu(dev)) if (!has_sysmmu(dev))
...@@ -1287,8 +1287,8 @@ static void exynos_iommu_release_device(struct device *dev) ...@@ -1287,8 +1287,8 @@ static void exynos_iommu_release_device(struct device *dev)
static int exynos_iommu_of_xlate(struct device *dev, static int exynos_iommu_of_xlate(struct device *dev,
struct of_phandle_args *spec) struct of_phandle_args *spec)
{ {
struct exynos_iommu_owner *owner = dev->archdata.iommu;
struct platform_device *sysmmu = of_find_device_by_node(spec->np); struct platform_device *sysmmu = of_find_device_by_node(spec->np);
struct exynos_iommu_owner *owner = dev_iommu_priv_get(dev);
struct sysmmu_drvdata *data, *entry; struct sysmmu_drvdata *data, *entry;
if (!sysmmu) if (!sysmmu)
...@@ -1305,7 +1305,7 @@ static int exynos_iommu_of_xlate(struct device *dev, ...@@ -1305,7 +1305,7 @@ static int exynos_iommu_of_xlate(struct device *dev,
INIT_LIST_HEAD(&owner->controllers); INIT_LIST_HEAD(&owner->controllers);
mutex_init(&owner->rpm_lock); mutex_init(&owner->rpm_lock);
dev->archdata.iommu = owner; dev_iommu_priv_set(dev, owner);
} }
list_for_each_entry(entry, &owner->controllers, owner_node) list_for_each_entry(entry, &owner->controllers, owner_node)
......
...@@ -9,9 +9,11 @@ ...@@ -9,9 +9,11 @@
#if defined(CONFIG_EXYNOS_IOMMU) #if defined(CONFIG_EXYNOS_IOMMU)
#include <linux/iommu.h>
static inline bool exynos_is_iommu_available(struct device *dev) static inline bool exynos_is_iommu_available(struct device *dev)
{ {
return dev->archdata.iommu != NULL; return dev_iommu_priv_get(dev) != NULL;
} }
#else #else
......
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