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[PATCHv2 10/14] Hexagon: adapt for dma_map_ops changes

To: linux-kernel@vger.kernel.org
Subject: [PATCHv2 10/14] Hexagon: adapt for dma_map_ops changes
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Tue, 27 Mar 2012 15:42:44 +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
Adapt core Hexagon architecture code for dma_map_ops changes: replace
alloc/free_coherent with generic alloc/free methods.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
---
 arch/hexagon/include/asm/dma-mapping.h |   18 ++++++++++++------
 arch/hexagon/kernel/dma.c              |    9 +++++----
 2 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/arch/hexagon/include/asm/dma-mapping.h 
b/arch/hexagon/include/asm/dma-mapping.h
index 448b224..233ed3d 100644
--- a/arch/hexagon/include/asm/dma-mapping.h
+++ b/arch/hexagon/include/asm/dma-mapping.h
@@ -71,29 +71,35 @@ static inline int dma_mapping_error(struct device *dev, 
dma_addr_t dma_addr)
        return (dma_addr == bad_dma_address);
 }
 
-static inline void *dma_alloc_coherent(struct device *dev, size_t size,
-                                      dma_addr_t *dma_handle, gfp_t flag)
+#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 flag,
+                                   struct dma_attrs *attrs)
 {
        void *ret;
        struct dma_map_ops *ops = get_dma_ops(dev);
 
        BUG_ON(!dma_ops);
 
-       ret = ops->alloc_coherent(dev, size, dma_handle, flag);
+       ret = ops->alloc(dev, size, dma_handle, flag, 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 *cpu_addr, 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 *cpu_addr, dma_addr_t dma_handle,
+                                 struct dma_attrs *attrs)
 {
        struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
        BUG_ON(!dma_ops);
 
-       dma_ops->free_coherent(dev, size, cpu_addr, dma_handle);
+       dma_ops->free(dev, size, cpu_addr, dma_handle, attrs);
 
        debug_dma_free_coherent(dev, size, cpu_addr, dma_handle);
 }
diff --git a/arch/hexagon/kernel/dma.c b/arch/hexagon/kernel/dma.c
index e711ace..3730221 100644
--- a/arch/hexagon/kernel/dma.c
+++ b/arch/hexagon/kernel/dma.c
@@ -54,7 +54,8 @@ static struct gen_pool *coherent_pool;
 /* Allocates from a pool of uncached memory that was reserved at boot time */
 
 void *hexagon_dma_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)
 {
        void *ret;
 
@@ -81,7 +82,7 @@ void *hexagon_dma_alloc_coherent(struct device *dev, size_t 
size,
 }
 
 static void hexagon_free_coherent(struct device *dev, size_t size, void *vaddr,
-                                 dma_addr_t dma_addr)
+                                 dma_addr_t dma_addr, struct dma_attrs *attrs)
 {
        gen_pool_free(coherent_pool, (unsigned long) vaddr, size);
 }
@@ -202,8 +203,8 @@ static void hexagon_sync_single_for_device(struct device 
*dev,
 }
 
 struct dma_map_ops hexagon_dma_ops = {
-       .alloc_coherent = hexagon_dma_alloc_coherent,
-       .free_coherent  = hexagon_free_coherent,
+       .alloc          = hexagon_dma_alloc_coherent,
+       .free           = hexagon_free_coherent,
        .map_sg         = hexagon_map_sg,
        .map_page       = hexagon_map_page,
        .sync_single_for_cpu = hexagon_sync_single_for_cpu,
-- 
1.7.1.569.g6f426


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