From: Cho KyongHo <pullip....@samsung.com>

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....@samsung.com>
---
 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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