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[PATCH 07/14] Alpha: adapt for dma_map_ops changes

To: linux-kernel@vger.kernel.org
Subject: [PATCH 07/14] Alpha: adapt for dma_map_ops changes
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Fri, 23 Dec 2011 13:27:26 +0100
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>, Thomas Gleixner <tglx@linutronix.de>, Andrew Morton <akpm@linux-foundation.org>, Arnd Bergmann <arnd@arndb.de>, Stephen Rothwell <sfr@canb.auug.org.au>, microblaze-uclinux@itee.uq.edu.au, linux-arch@vger.kernel.org, x86@kernel.org, linux-sh@vger.kernel.org, linux-alpha@vger.kernel.org, sparclinux@vger.kernel.org, linux-ia64@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mips@linux-mips.org, discuss@x86-64.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linaro-mm-sig@lists.linaro.org, Jonathan Corbet <corbet@lwn.net>, Marek Szyprowski <m.szyprowski@samsung.com>, Kyungmin Park <kyungmin.park@samsung.com>, Andrzej Pietrasiewicz <andrzej.p@samsung.com>
In-reply-to: <1324643253-3024-1-git-send-email-m.szyprowski@samsung.com>
References: <1324643253-3024-1-git-send-email-m.szyprowski@samsung.com>
Sender: linux-mips-bounce@linux-mips.org
From: Andrzej Pietrasiewicz <andrzej.p@samsung.com>

Adapt core Alpha architecture code for dma_map_ops changes: replace
alloc/free_coherent with generic alloc/free methods.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 arch/alpha/include/asm/dma-mapping.h |   18 ++++++++++++------
 arch/alpha/kernel/pci-noop.c         |   10 ++++++----
 arch/alpha/kernel/pci_iommu.c        |   10 ++++++----
 3 files changed, 24 insertions(+), 14 deletions(-)

diff --git a/arch/alpha/include/asm/dma-mapping.h 
b/arch/alpha/include/asm/dma-mapping.h
index 4567aca..dfa32f0 100644
--- a/arch/alpha/include/asm/dma-mapping.h
+++ b/arch/alpha/include/asm/dma-mapping.h
@@ -12,16 +12,22 @@ static inline struct dma_map_ops *get_dma_ops(struct device 
*dev)
 
 #include <asm-generic/dma-mapping-common.h>
 
-static inline void *dma_alloc_coherent(struct device *dev, size_t size,
-                                      dma_addr_t *dma_handle, gfp_t gfp)
+#define dma_alloc_coherent(d,s,h,f)    dma_alloc_attrs(d,s,h,f,NULL)
+
+static inline void *dma_alloc_attrs(struct device *dev, size_t size,
+                                   dma_addr_t *dma_handle, gfp_t gfp,
+                                   struct dma_attrs *attrs)
 {
-       return get_dma_ops(dev)->alloc_coherent(dev, size, dma_handle, gfp);
+       return get_dma_ops(dev)->alloc(dev, size, dma_handle, gfp, attrs);
 }
 
-static inline void dma_free_coherent(struct device *dev, size_t size,
-                                    void *vaddr, dma_addr_t dma_handle)
+#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL)
+
+static inline void dma_free_attrs(struct device *dev, size_t size,
+                                 void *vaddr, dma_addr_t dma_handle,
+                                 struct dma_attrs *attrs)
 {
-       get_dma_ops(dev)->free_coherent(dev, size, vaddr, dma_handle);
+       get_dma_ops(dev)->free(dev, size, vaddr, dma_handle, attrs);
 }
 
 static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
diff --git a/arch/alpha/kernel/pci-noop.c b/arch/alpha/kernel/pci-noop.c
index 246100e..c337fb8 100644
--- a/arch/alpha/kernel/pci-noop.c
+++ b/arch/alpha/kernel/pci-noop.c
@@ -108,7 +108,8 @@ sys_pciconfig_write(unsigned long bus, unsigned long dfn,
 }
 
 static void *alpha_noop_alloc_coherent(struct device *dev, size_t size,
-                                      dma_addr_t *dma_handle, gfp_t gfp)
+                                      dma_addr_t *dma_handle, gfp_t gfp,
+                                      struct dma_attrs *attrs)
 {
        void *ret;
 
@@ -123,7 +124,8 @@ static void *alpha_noop_alloc_coherent(struct device *dev, 
size_t size,
 }
 
 static void alpha_noop_free_coherent(struct device *dev, size_t size,
-                                    void *cpu_addr, dma_addr_t dma_addr)
+                                    void *cpu_addr, dma_addr_t dma_addr,
+                                    struct dma_attrs *attrs)
 {
        free_pages((unsigned long)cpu_addr, get_order(size));
 }
@@ -174,8 +176,8 @@ static int alpha_noop_set_mask(struct device *dev, u64 mask)
 }
 
 struct dma_map_ops alpha_noop_ops = {
-       .alloc_coherent         = alpha_noop_alloc_coherent,
-       .free_coherent          = alpha_noop_free_coherent,
+       .alloc                  = alpha_noop_alloc_coherent,
+       .free                   = alpha_noop_free_coherent,
        .map_page               = alpha_noop_map_page,
        .map_sg                 = alpha_noop_map_sg,
        .mapping_error          = alpha_noop_mapping_error,
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index 4361080..cd63479 100644
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -434,7 +434,8 @@ static void alpha_pci_unmap_page(struct device *dev, 
dma_addr_t dma_addr,
    else DMA_ADDRP is undefined.  */
 
 static void *alpha_pci_alloc_coherent(struct device *dev, size_t size,
-                                     dma_addr_t *dma_addrp, gfp_t gfp)
+                                     dma_addr_t *dma_addrp, gfp_t gfp,
+                                     struct dma_attrs *attrs)
 {
        struct pci_dev *pdev = alpha_gendev_to_pci(dev);
        void *cpu_addr;
@@ -478,7 +479,8 @@ try_again:
    DMA_ADDR past this call are illegal.  */
 
 static void alpha_pci_free_coherent(struct device *dev, size_t size,
-                                   void *cpu_addr, dma_addr_t dma_addr)
+                                   void *cpu_addr, dma_addr_t dma_addr,
+                                   struct dma_attrs *attrs)
 {
        struct pci_dev *pdev = alpha_gendev_to_pci(dev);
        pci_unmap_single(pdev, dma_addr, size, PCI_DMA_BIDIRECTIONAL);
@@ -952,8 +954,8 @@ static int alpha_pci_set_mask(struct device *dev, u64 mask)
 }
 
 struct dma_map_ops alpha_pci_ops = {
-       .alloc_coherent         = alpha_pci_alloc_coherent,
-       .free_coherent          = alpha_pci_free_coherent,
+       .alloc                  = alpha_pci_alloc_coherent,
+       .free                   = alpha_pci_free_coherent,
        .map_page               = alpha_pci_map_page,
        .unmap_page             = alpha_pci_unmap_page,
        .map_sg                 = alpha_pci_map_sg,
-- 
1.7.1.569.g6f426


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