iommu/exynos: Remove dbgname from drvdata of a System MMU

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@samsung.com>
Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

1 files changed, 13 insertions, 19 deletions

diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index ef771a22c09d..be7a7b9c2d59 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -170,7 +170,6 @@ 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;
@@ -321,8 +320,8 @@ 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);
@@ -354,10 +353,10 @@ 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;
 }
@@ -384,7 +383,7 @@ 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;
         }
 
@@ -399,7 +398,7 @@ 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);
 
@@ -415,16 +414,15 @@ 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 %#x\n",
-                        data->dbgname, data->pgtable);
+                dev_err(data->sysmmu, "Already enabled with page table %#x\n",
+                        data->pgtable);
         } else {
                 data->dev = dev;
         }
@@ -474,9 +472,7 @@ 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);
@@ -495,9 +491,7 @@ 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);
@@ -560,7 +554,7 @@ 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);