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authorMarek Szyprowski <m.szyprowski@samsung.com>2016-02-29 13:42:57 +0100
committerJoerg Roedel <jroedel@suse.de>2016-02-29 16:44:24 +0100
commit84bd042865cabfe5d91f9e2e7683702f1656bb15 (patch)
treeadbda272e4231eed26b39b031538193ed7510657 /drivers/iommu/exynos-iommu.c
parentdbf6c6efa7dd9bea4db038ad7351b75615249046 (diff)
iommu/exynos: Use proper readl/writel register interface
Drivers should use generic readl/writel calls to access HW registers, so replace all __raw_readl/writel with generic version. Suggested-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/exynos-iommu.c')
-rw-r--r--drivers/iommu/exynos-iommu.c38
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 484b3b37631f..5ecc86cb74c8 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -268,18 +268,18 @@ static bool is_sysmmu_active(struct sysmmu_drvdata *data)
static void sysmmu_unblock(struct sysmmu_drvdata *data)
{
- __raw_writel(CTRL_ENABLE, data->sfrbase + REG_MMU_CTRL);
+ writel(CTRL_ENABLE, data->sfrbase + REG_MMU_CTRL);
}
static bool sysmmu_block(struct sysmmu_drvdata *data)
{
int i = 120;
- __raw_writel(CTRL_BLOCK, data->sfrbase + REG_MMU_CTRL);
- while ((i > 0) && !(__raw_readl(data->sfrbase + REG_MMU_STATUS) & 1))
+ writel(CTRL_BLOCK, data->sfrbase + REG_MMU_CTRL);
+ while ((i > 0) && !(readl(data->sfrbase + REG_MMU_STATUS) & 1))
--i;
- if (!(__raw_readl(data->sfrbase + REG_MMU_STATUS) & 1)) {
+ if (!(readl(data->sfrbase + REG_MMU_STATUS) & 1)) {
sysmmu_unblock(data);
return false;
}
@@ -290,9 +290,9 @@ static bool sysmmu_block(struct sysmmu_drvdata *data)
static void __sysmmu_tlb_invalidate(struct sysmmu_drvdata *data)
{
if (MMU_MAJ_VER(data->version) < 5)
- __raw_writel(0x1, data->sfrbase + REG_MMU_FLUSH);
+ writel(0x1, data->sfrbase + REG_MMU_FLUSH);
else
- __raw_writel(0x1, data->sfrbase + REG_V5_MMU_FLUSH_ALL);
+ writel(0x1, data->sfrbase + REG_V5_MMU_FLUSH_ALL);
}
static void __sysmmu_tlb_invalidate_entry(struct sysmmu_drvdata *data,
@@ -302,10 +302,10 @@ static void __sysmmu_tlb_invalidate_entry(struct sysmmu_drvdata *data,
for (i = 0; i < num_inv; i++) {
if (MMU_MAJ_VER(data->version) < 5)
- __raw_writel((iova & SPAGE_MASK) | 1,
+ writel((iova & SPAGE_MASK) | 1,
data->sfrbase + REG_MMU_FLUSH_ENTRY);
else
- __raw_writel((iova & SPAGE_MASK) | 1,
+ writel((iova & SPAGE_MASK) | 1,
data->sfrbase + REG_V5_MMU_FLUSH_ENTRY);
iova += SPAGE_SIZE;
}
@@ -314,9 +314,9 @@ static void __sysmmu_tlb_invalidate_entry(struct sysmmu_drvdata *data,
static void __sysmmu_set_ptbase(struct sysmmu_drvdata *data, phys_addr_t pgd)
{
if (MMU_MAJ_VER(data->version) < 5)
- __raw_writel(pgd, data->sfrbase + REG_PT_BASE_ADDR);
+ writel(pgd, data->sfrbase + REG_PT_BASE_ADDR);
else
- __raw_writel(pgd >> PAGE_SHIFT,
+ writel(pgd >> PAGE_SHIFT,
data->sfrbase + REG_V5_PT_BASE_PFN);
__sysmmu_tlb_invalidate(data);
@@ -331,7 +331,7 @@ static void __sysmmu_get_version(struct sysmmu_drvdata *data)
clk_enable(data->pclk);
clk_enable(data->aclk);
- ver = __raw_readl(data->sfrbase + REG_MMU_VERSION);
+ ver = readl(data->sfrbase + REG_MMU_VERSION);
/* controllers on some SoCs don't report proper version */
if (ver == 0x80000001u)
@@ -392,7 +392,7 @@ static irqreturn_t exynos_sysmmu_irq(int irq, void *dev_id)
clk_enable(data->clk_master);
- itype = __ffs(__raw_readl(data->sfrbase + reg_status));
+ itype = __ffs(readl(data->sfrbase + reg_status));
for (i = 0; i < n; i++, finfo++)
if (finfo->bit == itype)
break;
@@ -400,7 +400,7 @@ static irqreturn_t exynos_sysmmu_irq(int irq, void *dev_id)
BUG_ON(i == n);
/* print debug message */
- fault_addr = __raw_readl(data->sfrbase + finfo->addr_reg);
+ fault_addr = readl(data->sfrbase + finfo->addr_reg);
show_fault_information(data, finfo, fault_addr);
if (data->domain)
@@ -409,7 +409,7 @@ static irqreturn_t exynos_sysmmu_irq(int irq, void *dev_id)
/* fault is not recovered by fault handler */
BUG_ON(ret != 0);
- __raw_writel(1 << itype, data->sfrbase + reg_clear);
+ writel(1 << itype, data->sfrbase + reg_clear);
sysmmu_unblock(data);
@@ -424,8 +424,8 @@ static void __sysmmu_disable_nocount(struct sysmmu_drvdata *data)
{
clk_enable(data->clk_master);
- __raw_writel(CTRL_DISABLE, data->sfrbase + REG_MMU_CTRL);
- __raw_writel(0, data->sfrbase + REG_MMU_CFG);
+ writel(CTRL_DISABLE, data->sfrbase + REG_MMU_CTRL);
+ writel(0, data->sfrbase + REG_MMU_CFG);
clk_disable(data->aclk);
clk_disable(data->pclk);
@@ -470,7 +470,7 @@ static void __sysmmu_init_config(struct sysmmu_drvdata *data)
else
cfg = CFG_QOS(15) | CFG_FLPDCACHE | CFG_ACGEN;
- __raw_writel(cfg, data->sfrbase + REG_MMU_CFG);
+ writel(cfg, data->sfrbase + REG_MMU_CFG);
}
static void __sysmmu_enable_nocount(struct sysmmu_drvdata *data)
@@ -480,13 +480,13 @@ static void __sysmmu_enable_nocount(struct sysmmu_drvdata *data)
clk_enable(data->pclk);
clk_enable(data->aclk);
- __raw_writel(CTRL_BLOCK, data->sfrbase + REG_MMU_CTRL);
+ writel(CTRL_BLOCK, data->sfrbase + REG_MMU_CTRL);
__sysmmu_init_config(data);
__sysmmu_set_ptbase(data, data->pgtable);
- __raw_writel(CTRL_ENABLE, data->sfrbase + REG_MMU_CTRL);
+ writel(CTRL_ENABLE, data->sfrbase + REG_MMU_CTRL);
clk_disable(data->clk_master);
}