From: Cho KyongHo <pullip.cho@xxxxxxxxxxx>
This patch removes dbgname member from sysmmu_drvdata structure.
Kernel message for debugging already has the name of a single
System MMU node. It also removes some compilation warnings.
Signed-off-by: Cho KyongHo <pullip.cho@xxxxxxxxxxx>
---
drivers/iommu/exynos-iommu.c | 54 +++++++++++++++++++-----------------------
1 file changed, 25 insertions(+), 29 deletions(-)
mode change 100644 => 100755 drivers/iommu/exynos-iommu.c
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
old mode 100644
new mode 100755
index a15216f..1af2d23
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -169,7 +169,6 @@ struct sysmmu_drvdata {
struct list_head node; /* entry of exynos_iommu_domain.clients */
struct device *sysmmu; /* System MMU's device descriptor */
struct device *dev; /* Owner of system MMU */
- char *dbgname;
void __iomem *sfrbase;
struct clk *clk;
int activations;
@@ -320,8 +319,8 @@ static irqreturn_t exynos_sysmmu_irq(int irq, void *dev_id)
if (!ret && (itype != SYSMMU_FAULT_UNKNOWN))
__raw_writel(1 << itype, data->sfrbase + REG_INT_CLEAR);
else
- dev_dbg(data->sysmmu, "(%s) %s is not handled.\n",
- data->dbgname, sysmmu_fault_name[itype]);
+ dev_dbg(data->sysmmu, "%s is not handled.\n",
+ sysmmu_fault_name[itype]);
if (itype != SYSMMU_FAULT_UNKNOWN)
sysmmu_unblock(data->sfrbase);
@@ -353,10 +352,10 @@ finish:
write_unlock_irqrestore(&data->lock, flags);
if (disabled)
- dev_dbg(data->sysmmu, "(%s) Disabled\n", data->dbgname);
+ dev_dbg(data->sysmmu, "Disabled\n");
else
- dev_dbg(data->sysmmu, "(%s) %d times left to be disabled\n",
- data->dbgname, data->activations);
+ dev_dbg(data->sysmmu, "%d times left to be disabled\n",
+ data->activations);
return disabled;
}
@@ -383,7 +382,7 @@ static int __exynos_sysmmu_enable(struct sysmmu_drvdata *data,
ret = 1;
}
- dev_dbg(data->sysmmu, "(%s) Already enabled\n", data->dbgname);
+ dev_dbg(data->sysmmu, "Already enabled\n");
goto finish;
}
@@ -398,7 +397,7 @@ static int __exynos_sysmmu_enable(struct sysmmu_drvdata *data,
data->domain = domain;
- dev_dbg(data->sysmmu, "(%s) Enabled\n", data->dbgname);
+ dev_dbg(data->sysmmu, "Enabled\n");
finish:
write_unlock_irqrestore(&data->lock, flags);
@@ -414,16 +413,15 @@ int exynos_sysmmu_enable(struct device *dev, unsigned long pgtable)
ret = pm_runtime_get_sync(data->sysmmu);
if (ret < 0) {
- dev_dbg(data->sysmmu, "(%s) Failed to enable\n", data->dbgname);
+ dev_dbg(data->sysmmu, "Failed to enable\n");
return ret;
}
ret = __exynos_sysmmu_enable(data, pgtable, NULL);
if (WARN_ON(ret < 0)) {
pm_runtime_put(data->sysmmu);
- dev_err(data->sysmmu,
- "(%s) Already enabled with page table %#lx\n",
- data->dbgname, data->pgtable);
+ dev_err(data->sysmmu, "Already enabled with page table %#lx\n",
+ data->pgtable);
} else {
data->dev = dev;
}
@@ -473,9 +471,7 @@ static void sysmmu_tlb_invalidate_entry(struct device *dev, unsigned long iova,
sysmmu_unblock(data->sfrbase);
}
} else {
- dev_dbg(data->sysmmu,
- "(%s) Disabled. Skipping invalidating TLB.\n",
- data->dbgname);
+ dev_dbg(data->sysmmu, "Disabled. Skipping invalidating TLB.\n");
}
read_unlock_irqrestore(&data->lock, flags);
@@ -494,9 +490,7 @@ void exynos_sysmmu_tlb_invalidate(struct device *dev)
sysmmu_unblock(data->sfrbase);
}
} else {
- dev_dbg(data->sysmmu,
- "(%s) Disabled. Skipping invalidating TLB.\n",
- data->dbgname);
+ dev_dbg(data->sysmmu, "Disabled. Skipping invalidating TLB.\n");
}
read_unlock_irqrestore(&data->lock, flags);
@@ -559,7 +553,7 @@ static int exynos_sysmmu_probe(struct platform_device *pdev)
pm_runtime_enable(dev);
- dev_dbg(dev, "(%s) Initialized\n", data->dbgname);
+ dev_dbg(dev, "Initialized\n");
return 0;
err_irq:
free_irq(platform_get_irq(pdev, 0), data);
@@ -659,6 +653,7 @@ static int exynos_iommu_attach_device(struct iommu_domain *domain,
{
struct sysmmu_drvdata *data = dev_get_drvdata(dev->archdata.iommu);
struct exynos_iommu_domain *priv = domain->priv;
+ phys_addr_t pagetable = virt_to_phys(priv->pgtable);
unsigned long flags;
int ret;
@@ -682,15 +677,15 @@ static int exynos_iommu_attach_device(struct iommu_domain *domain,
spin_unlock_irqrestore(&priv->lock, flags);
if (ret < 0) {
- dev_err(dev, "%s: Failed to attach IOMMU with pgtable %#lx\n",
- __func__, __pa(priv->pgtable));
+ dev_err(dev, "%s: Failed to attach IOMMU with pgtable %pa\n",
+ __func__, &pagetable);
pm_runtime_put(data->sysmmu);
} else if (ret > 0) {
- dev_dbg(dev, "%s: IOMMU with pgtable 0x%lx already attached\n",
- __func__, __pa(priv->pgtable));
+ dev_dbg(dev, "%s: IOMMU with pgtable %pa already attached\n",
+ __func__, &pagetable);
} else {
- dev_dbg(dev, "%s: Attached new IOMMU with pgtable 0x%lx\n",
- __func__, __pa(priv->pgtable));
+ dev_dbg(dev, "%s: Attached new IOMMU with pgtable %pa\n",
+ __func__, &pagetable);
}
return ret;
@@ -702,6 +697,7 @@ static void exynos_iommu_detach_device(struct iommu_domain *domain,
struct sysmmu_drvdata *data = dev_get_drvdata(dev->archdata.iommu);
struct exynos_iommu_domain *priv = domain->priv;
struct list_head *pos;
+ phys_addr_t pagetable = virt_to_phys(priv->pgtable);
unsigned long flags;
bool found = false;
@@ -718,13 +714,13 @@ static void exynos_iommu_detach_device(struct iommu_domain *domain,
goto finish;
if (__exynos_sysmmu_disable(data)) {
- dev_dbg(dev, "%s: Detached IOMMU with pgtable %#lx\n",
- __func__, __pa(priv->pgtable));
+ dev_dbg(dev, "%s: Detached IOMMU with pgtable %pa\n",
+ __func__, &pagetable);
list_del_init(&data->node);
} else {
- dev_dbg(dev, "%s: Detaching IOMMU with pgtable %#lx delayed",
- __func__, __pa(priv->pgtable));
+ dev_dbg(dev, "%s: Detaching IOMMU with pgtable %pa delayed",
+ __func__, &pagetable);
}
finish:
--
1.7.9.5
--
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