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>

diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index ef771a2..be7a7b9 100644 (file)
--- 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);