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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-19 16:18:39 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-19 16:18:39 -0500
commit59b8175c771040afcd4ad67022b0cc80c216b866 (patch)
tree4ef5935bee1e342716d49b9d4b99e3fa835526e6 /include/asm-arm/dma-mapping.h
parent920841d8d1d61bc12b43f95a579a5374f6d98f81 (diff)
parent3b0eb4a195a124567cd0dd6f700f8388def542c6 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (117 commits) [ARM] 4058/2: iop32x: set ->broken_parity_status on n2100 onboard r8169 ports [ARM] 4140/1: AACI stability add ac97 timeout and retries [ARM] 4139/1: AACI record support [ARM] 4138/1: AACI: multiple channel support for IRQ handling [ARM] 4211/1: Provide a defconfig for ns9xxx [ARM] 4210/1: base for new machine type "NetSilicon NS9360" [ARM] 4222/1: S3C2443: Remove reference to missing S3C2443_PM [ARM] 4221/1: S3C2443: DMA support [ARM] 4220/1: S3C24XX: DMA system initialised from sysdev [ARM] 4219/1: S3C2443: DMA source definitions [ARM] 4218/1: S3C2412: fix CONFIG_CPU_S3C2412_ONLY wrt to S3C2443 [ARM] 4217/1: S3C24XX: remove the dma channel show at startup [ARM] 4090/2: avoid clash between PXA and SA1111 defines [ARM] 4216/1: add .gitignore entries for ARM specific files [ARM] 4214/2: S3C2410: Add Armzone QT2410 [ARM] 4215/1: s3c2410 usb device: per-platform vbus_draw [ARM] 4213/1: S3C2410 - Update definition of ADCTSC_XY_PST [ARM] 4098/1: ARM: rtc_lock only used with rtc_cmos [ARM] 4137/1: Add kexec support [ARM] 4201/1: SMP barriers pair needed for the secondary boot process ... Fix up conflict due to typedef removal in sound/arm/aaci.h
Diffstat (limited to 'include/asm-arm/dma-mapping.h')
-rw-r--r--include/asm-arm/dma-mapping.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/include/asm-arm/dma-mapping.h b/include/asm-arm/dma-mapping.h
index 9bc46b486afb..abfb75b654c7 100644
--- a/include/asm-arm/dma-mapping.h
+++ b/include/asm-arm/dma-mapping.h
@@ -17,7 +17,7 @@
17 * platforms with CONFIG_DMABOUNCE. 17 * platforms with CONFIG_DMABOUNCE.
18 * Use the driver DMA support - see dma-mapping.h (dma_sync_*) 18 * Use the driver DMA support - see dma-mapping.h (dma_sync_*)
19 */ 19 */
20extern void consistent_sync(void *kaddr, size_t size, int rw); 20extern void consistent_sync(const void *kaddr, size_t size, int rw);
21 21
22/* 22/*
23 * Return whether the given device DMA address mask can be supported 23 * Return whether the given device DMA address mask can be supported
@@ -61,6 +61,22 @@ static inline int dma_mapping_error(dma_addr_t dma_addr)
61 return dma_addr == ~0; 61 return dma_addr == ~0;
62} 62}
63 63
64/*
65 * Dummy noncoherent implementation. We don't provide a dma_cache_sync
66 * function so drivers using this API are highlighted with build warnings.
67 */
68static inline void *
69dma_alloc_noncoherent(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp)
70{
71 return NULL;
72}
73
74static inline void
75dma_free_noncoherent(struct device *dev, size_t size, void *cpu_addr,
76 dma_addr_t handle)
77{
78}
79
64/** 80/**
65 * dma_alloc_coherent - allocate consistent memory for DMA 81 * dma_alloc_coherent - allocate consistent memory for DMA
66 * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices 82 * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices