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[PATCH 03/14 v3] MIPS: adapt for dma_map_ops changes

To: linux-kernel@vger.kernel.org
Subject: [PATCH 03/14 v3] MIPS: adapt for dma_map_ops changes
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Mon, 13 Feb 2012 13:41:55 +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>, FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>, 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: <4F38E8E1.3070004@mvista.com>
References: <4F38E8E1.3070004@mvista.com>
Sender: linux-mips-bounce@linux-mips.org
From: Andrzej Pietrasiewicz <andrzej.p@samsung.com>

Adapt core MIPS 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>
[added missing changes to arch/mips/cavium-octeon/dma-octeon.c,
 fixed attrs argument in dma-mapping.h]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 arch/mips/cavium-octeon/dma-octeon.c |   16 ++++++++--------
 arch/mips/include/asm/dma-mapping.h  |   18 ++++++++++++------
 arch/mips/mm/dma-default.c           |    8 ++++----
 3 files changed, 24 insertions(+), 18 deletions(-)

diff --git a/arch/mips/cavium-octeon/dma-octeon.c 
b/arch/mips/cavium-octeon/dma-octeon.c
index b6bb92c..df70600 100644
--- a/arch/mips/cavium-octeon/dma-octeon.c
+++ b/arch/mips/cavium-octeon/dma-octeon.c
@@ -157,7 +157,7 @@ static void octeon_dma_sync_sg_for_device(struct device 
*dev,
 }
 
 static void *octeon_dma_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;
 
@@ -184,7 +184,7 @@ static void *octeon_dma_alloc_coherent(struct device *dev, 
size_t size,
        /* Don't invoke OOM killer */
        gfp |= __GFP_NORETRY;
 
-       ret = swiotlb_alloc_coherent(dev, size, dma_handle, gfp);
+       ret = swiotlb_alloc_coherent(dev, size, dma_handle, gfp, attrs);
 
        mb();
 
@@ -192,14 +192,14 @@ static void *octeon_dma_alloc_coherent(struct device 
*dev, size_t size,
 }
 
 static void octeon_dma_free_coherent(struct device *dev, size_t size,
-       void *vaddr, dma_addr_t dma_handle)
+       void *vaddr, dma_addr_t dma_handle, struct dma_attrs *attrs)
 {
        int order = get_order(size);
 
        if (dma_release_from_coherent(dev, order, vaddr))
                return;
 
-       swiotlb_free_coherent(dev, size, vaddr, dma_handle);
+       swiotlb_free_coherent(dev, size, vaddr, dma_handle, attrs);
 }
 
 static dma_addr_t octeon_unity_phys_to_dma(struct device *dev, phys_addr_t 
paddr)
@@ -240,8 +240,8 @@ EXPORT_SYMBOL(dma_to_phys);
 
 static struct octeon_dma_map_ops octeon_linear_dma_map_ops = {
        .dma_map_ops = {
-               .alloc_coherent = octeon_dma_alloc_coherent,
-               .free_coherent = octeon_dma_free_coherent,
+               .alloc = octeon_dma_alloc_coherent,
+               .free = octeon_dma_free_coherent,
                .map_page = octeon_dma_map_page,
                .unmap_page = swiotlb_unmap_page,
                .map_sg = octeon_dma_map_sg,
@@ -325,8 +325,8 @@ void __init plat_swiotlb_setup(void)
 #ifdef CONFIG_PCI
 static struct octeon_dma_map_ops _octeon_pci_dma_map_ops = {
        .dma_map_ops = {
-               .alloc_coherent = octeon_dma_alloc_coherent,
-               .free_coherent = octeon_dma_free_coherent,
+               .alloc = octeon_dma_alloc_coherent,
+               .free = octeon_dma_free_coherent,
                .map_page = octeon_dma_map_page,
                .unmap_page = swiotlb_unmap_page,
                .map_sg = octeon_dma_map_sg,
diff --git a/arch/mips/include/asm/dma-mapping.h 
b/arch/mips/include/asm/dma-mapping.h
index 7aa37dd..be39a12 100644
--- a/arch/mips/include/asm/dma-mapping.h
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -57,25 +57,31 @@ dma_set_mask(struct device *dev, u64 mask)
 extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
               enum dma_data_direction direction);
 
-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)
 {
        void *ret;
        struct dma_map_ops *ops = get_dma_ops(dev);
 
-       ret = ops->alloc_coherent(dev, size, dma_handle, gfp);
+       ret = ops->alloc(dev, size, dma_handle, gfp, attrs);
 
        debug_dma_alloc_coherent(dev, size, *dma_handle, ret);
 
        return ret;
 }
 
-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)
 {
        struct dma_map_ops *ops = get_dma_ops(dev);
 
-       ops->free_coherent(dev, size, vaddr, dma_handle);
+       ops->free(dev, size, vaddr, dma_handle, attrs);
 
        debug_dma_free_coherent(dev, size, vaddr, dma_handle);
 }
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index 4608491..3fab204 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -98,7 +98,7 @@ void *dma_alloc_noncoherent(struct device *dev, size_t size,
 EXPORT_SYMBOL(dma_alloc_noncoherent);
 
 static void *mips_dma_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;
 
@@ -132,7 +132,7 @@ void dma_free_noncoherent(struct device *dev, size_t size, 
void *vaddr,
 EXPORT_SYMBOL(dma_free_noncoherent);
 
 static void mips_dma_free_coherent(struct device *dev, size_t size, void 
*vaddr,
-       dma_addr_t dma_handle)
+       dma_addr_t dma_handle, struct dma_attrs *attrs)
 {
        unsigned long addr = (unsigned long) vaddr;
        int order = get_order(size);
@@ -323,8 +323,8 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t 
size,
 EXPORT_SYMBOL(dma_cache_sync);
 
 static struct dma_map_ops mips_default_dma_map_ops = {
-       .alloc_coherent = mips_dma_alloc_coherent,
-       .free_coherent = mips_dma_free_coherent,
+       .alloc = mips_dma_alloc_coherent,
+       .free = mips_dma_free_coherent,
        .map_page = mips_dma_map_page,
        .unmap_page = mips_dma_unmap_page,
        .map_sg = mips_dma_map_sg,
-- 
1.7.1.569.g6f426


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