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>

diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 484b3b37631f40f7c598a71ba5c3440fa2127b5a..5ecc86cb74c81f3194732ea6469b4e813a206bf5 100644 (file)
--- 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);
 }