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[PATCHv2 07/14] SH: adapt for dma_map_ops changes

To: linux-kernel@vger.kernel.org
Subject: [PATCHv2 07/14] SH: adapt for dma_map_ops changes
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Tue, 27 Mar 2012 15:42:41 +0200
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>, Kevin Cernekee <cernekee@gmail.com>, Dezhong Diao <dediao@cisco.com>, Richard Kuo <rkuo@codeaurora.org>, "David S. Miller" <davem@davemloft.net>, Michal Simek <monstr@monstr.eu>, Guan Xuetao <gxt@mprc.pku.edu.cn>, Paul Mundt <lethal@linux-sh.org>, Richard Henderson <rth@twiddle.net>, Ivan Kokshaysky <ink@jurassic.park.msu.ru>, Matt Turner <mattst88@gmail.com>, Tony Luck <tony.luck@intel.com>, Fenghua Yu <fenghua.yu@intel.com>
In-reply-to: <1332855768-32583-1-git-send-email-m.szyprowski@samsung.com>
References: <1332855768-32583-1-git-send-email-m.szyprowski@samsung.com>
Sender: linux-mips-bounce@linux-mips.org
From: Andrzej Pietrasiewicz <andrzej.p@samsung.com>

Adapt core SH 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>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
---
 arch/sh/include/asm/dma-mapping.h |   28 ++++++++++++++++++----------
 arch/sh/kernel/dma-nommu.c        |    4 ++--
 arch/sh/mm/consistent.c           |    6 ++++--
 3 files changed, 24 insertions(+), 14 deletions(-)

diff --git a/arch/sh/include/asm/dma-mapping.h 
b/arch/sh/include/asm/dma-mapping.h
index 1a73c3e..8bd965e 100644
--- a/arch/sh/include/asm/dma-mapping.h
+++ b/arch/sh/include/asm/dma-mapping.h
@@ -52,25 +52,31 @@ static inline int dma_mapping_error(struct device *dev, 
dma_addr_t dma_addr)
        return dma_addr == 0;
 }
 
-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)
 {
        struct dma_map_ops *ops = get_dma_ops(dev);
        void *memory;
 
        if (dma_alloc_from_coherent(dev, size, dma_handle, &memory))
                return memory;
-       if (!ops->alloc_coherent)
+       if (!ops->alloc)
                return NULL;
 
-       memory = ops->alloc_coherent(dev, size, dma_handle, gfp);
+       memory = ops->alloc(dev, size, dma_handle, gfp, attrs);
        debug_dma_alloc_coherent(dev, size, *dma_handle, memory);
 
        return memory;
 }
 
-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);
 
@@ -78,14 +84,16 @@ static inline void dma_free_coherent(struct device *dev, 
size_t size,
                return;
 
        debug_dma_free_coherent(dev, size, vaddr, dma_handle);
-       if (ops->free_coherent)
-               ops->free_coherent(dev, size, vaddr, dma_handle);
+       if (ops->free)
+               ops->free(dev, size, vaddr, dma_handle, attrs);
 }
 
 /* arch/sh/mm/consistent.c */
 extern void *dma_generic_alloc_coherent(struct device *dev, size_t size,
-                                       dma_addr_t *dma_addr, gfp_t flag);
+                                       dma_addr_t *dma_addr, gfp_t flag,
+                                       struct dma_attrs *attrs);
 extern void dma_generic_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);
 
 #endif /* __ASM_SH_DMA_MAPPING_H */
diff --git a/arch/sh/kernel/dma-nommu.c b/arch/sh/kernel/dma-nommu.c
index 3c55b87..5b0bfcd 100644
--- a/arch/sh/kernel/dma-nommu.c
+++ b/arch/sh/kernel/dma-nommu.c
@@ -63,8 +63,8 @@ static void nommu_sync_sg(struct device *dev, struct 
scatterlist *sg,
 #endif
 
 struct dma_map_ops nommu_dma_ops = {
-       .alloc_coherent         = dma_generic_alloc_coherent,
-       .free_coherent          = dma_generic_free_coherent,
+       .alloc                  = dma_generic_alloc_coherent,
+       .free                   = dma_generic_free_coherent,
        .map_page               = nommu_map_page,
        .map_sg                 = nommu_map_sg,
 #ifdef CONFIG_DMA_NONCOHERENT
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index f251b5f..b81d9db 100644
--- a/arch/sh/mm/consistent.c
+++ b/arch/sh/mm/consistent.c
@@ -33,7 +33,8 @@ static int __init dma_init(void)
 fs_initcall(dma_init);
 
 void *dma_generic_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, *ret_nocache;
        int order = get_order(size);
@@ -64,7 +65,8 @@ void *dma_generic_alloc_coherent(struct device *dev, size_t 
size,
 }
 
 void dma_generic_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);
        unsigned long pfn = dma_handle >> PAGE_SHIFT;
-- 
1.7.1.569.g6f426


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