Thread (24 messages) flat view 24 messages, 8 authors, 2012-03-29

[PATCHv2 06/14] Alpha: adapt for dma_map_ops changes

From: mattst88@gmail.com (Matt Turner)
Date: 2012-03-27 15:57:08
Also in: linux-alpha, linux-arch, linux-mips, linux-mm, linuxppc-dev

On Tue, Mar 27, 2012 at 9:42 AM, Marek Szyprowski
[off-list ref] wrote:
quoted hunk ↗ jump to hunk
From: Andrzej Pietrasiewicz <redacted>

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

Signed-off-by: Andrzej Pietrasiewicz <redacted>
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/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 04eea48..df24b76 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
Acked-by: Matt Turner <mattst88@gmail.com>
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