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authorCho KyongHo <pullip.cho@samsung.com>2014-05-12 08:14:53 +0200
committerJoerg Roedel <jroedel@suse.de>2014-05-13 19:12:54 +0200
commite5cf63c3025c2cb7e1db78658827f6ab2a7a039f (patch)
tree8b5b21711024a25a3f9732e9d89d7bc7b9f49593 /drivers/iommu
parentiommu/exynos: Always enable runtime PM (diff)
downloadlinux-e5cf63c3025c2cb7e1db78658827f6ab2a7a039f.tar.xz
linux-e5cf63c3025c2cb7e1db78658827f6ab2a7a039f.zip
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>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/exynos-iommu.c32
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);