From: Cho KyongHo <pullip.cho@xxxxxxxxxxx>
Use of __pa and __va macro is changed to virt_to_phys and phys_to_virt
which are recommended in driver code. printk formatting of physical
address is also fixed to %pa.
Signed-off-by: Cho KyongHo <pullip.cho@xxxxxxxxxxx>
---
drivers/iommu/exynos-iommu.c | 33 +++++++++++++++++----------------
1 file changed, 17 insertions(+), 16 deletions(-)
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 5c7f4d2..08a7ce0 100755
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -131,7 +131,8 @@ static unsigned long *section_entry(unsigned long *pgtable, unsigned long iova)
static unsigned long *page_entry(unsigned long *sent, unsigned long iova)
{
- return (unsigned long *)__va(lv2table_base(sent)) + lv2ent_offset(iova);
+ return (unsigned long *)phys_to_virt(
+ lv2table_base(sent)) + lv2ent_offset(iova);
}
enum exynos_sysmmu_inttype {
@@ -204,7 +205,7 @@ struct sysmmu_drvdata {
struct iommu_domain *domain;
bool powered_on;
bool suspended;
- unsigned long pgtable;
+ phys_addr_t pgtable;
};
static bool set_sysmmu_active(struct sysmmu_drvdata *data)
@@ -296,17 +297,17 @@ static void __sysmmu_set_ptbase(void __iomem *sfrbase,
static void show_fault_information(const char *name,
enum exynos_sysmmu_inttype itype,
- unsigned long pgtable_base, unsigned long fault_addr)
+ phys_addr_t pgtable_base, unsigned long fault_addr)
{
unsigned long *ent;
if ((itype >= SYSMMU_FAULTS_NUM) || (itype < SYSMMU_PAGEFAULT))
itype = SYSMMU_FAULT_UNKNOWN;
- pr_err("%s occurred at 0x%lx by %s(Page table base: 0x%lx)\n",
- sysmmu_fault_name[itype], fault_addr, name, pgtable_base);
+ pr_err("%s occurred at %#lx by %s(Page table base: %pa)\n",
+ sysmmu_fault_name[itype], fault_addr, name, &pgtable_base);
- ent = section_entry(__va(pgtable_base), fault_addr);
+ ent = section_entry(phys_to_virt(pgtable_base), fault_addr);
pr_err("\tLv1 entry: 0x%lx\n", *ent);
if (lv1ent_page(ent)) {
@@ -909,7 +910,7 @@ static void exynos_iommu_domain_destroy(struct iommu_domain *domain)
for (i = 0; i < NUM_LV1ENTRIES; i++)
if (lv1ent_page(priv->pgtable + i))
kmem_cache_free(lv2table_kmem_cache,
- __va(lv2table_base(priv->pgtable + i)));
+ phys_to_virt(lv2table_base(priv->pgtable + i)));
free_pages((unsigned long)priv->pgtable, 2);
free_pages((unsigned long)priv->lv2entcnt, 1);
@@ -928,8 +929,7 @@ static int exynos_iommu_attach_device(struct iommu_domain *domain,
spin_lock_irqsave(&priv->lock, flags);
-
- ret = __exynos_sysmmu_enable(dev, __pa(priv->pgtable), domain);
+ ret = __exynos_sysmmu_enable(dev, pagetable, domain);
if (ret == 0) {
list_add_tail(&owner->client, &priv->clients);
owner->domain = domain;
@@ -937,13 +937,14 @@ static int exynos_iommu_attach_device(struct iommu_domain *domain,
spin_unlock_irqrestore(&priv->lock, flags);
- if (ret < 0)
+ if (ret < 0) {
dev_err(dev, "%s: Failed to attach IOMMU with pgtable %pa\n",
- __func__, &pagetable);
- else
- dev_dbg(dev, "%s: Attached IOMMU with pgtable %pa%s\n",
- __func__, &pagetable,
- (ret == 0) ? "" : ", again");
+ __func__, &pagetable);
+ return ret;
+ }
+
+ dev_dbg(dev, "%s: Attached IOMMU with pgtable %pa %s\n",
+ __func__, &pagetable, (ret == 0) ? "" : ", again");
return ret;
}
@@ -993,7 +994,7 @@ static unsigned long *alloc_lv2entry(unsigned long *sent, unsigned long iova,
if (!pent)
return ERR_PTR(-ENOMEM);
- *sent = mk_lv1ent_page(__pa(pent));
+ *sent = mk_lv1ent_page(virt_to_phys(pent));
*pgcounter = NUM_LV2ENTRIES;
pgtable_flush(pent, pent + NUM_LV2ENTRIES);
pgtable_flush(sent, sent + 1);
--
1.7.9.5
--
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