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| author | Takashi Iwai <tiwai@suse.de> | 2014-10-22 12:01:13 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-10-22 12:01:13 +0200 |
| commit | c37de55efa1ccf018c27b876560725ff5e9f5701 (patch) | |
| tree | 9889ff7cf9755e1184be0c01e4b20b0669de3346 /sound | |
| parent | b46882b6eb713245916100ac5b58664cd242a08d (diff) | |
| download | linux-stable-c37de55efa1ccf018c27b876560725ff5e9f5701.tar.gz linux-stable-c37de55efa1ccf018c27b876560725ff5e9f5701.tar.bz2 linux-stable-c37de55efa1ccf018c27b876560725ff5e9f5701.zip | |
ALSA: pcm: Remove arch-dependent mmap kludges
Since we have consistently dma_mmap_coherent() for all architectures,
the current ifdef and arch-specific codes in pcm core can be cleaned
up gracefully.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/core/pcm_native.c | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 815396d8427f..aa6754da7929 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -35,9 +35,6 @@ #include <sound/timer.h> #include <sound/minors.h> #include <asm/io.h> -#if defined(CONFIG_MIPS) && defined(CONFIG_DMA_NONCOHERENT) -#include <dma-coherence.h> -#endif /* * Compatibility @@ -3251,20 +3248,6 @@ static inline struct page * snd_pcm_default_page_ops(struct snd_pcm_substream *substream, unsigned long ofs) { void *vaddr = substream->runtime->dma_area + ofs; -#if defined(CONFIG_MIPS) && defined(CONFIG_DMA_NONCOHERENT) - if (substream->dma_buffer.dev.type == SNDRV_DMA_TYPE_DEV) - return virt_to_page(CAC_ADDR(vaddr)); -#endif -#if defined(CONFIG_PPC32) && defined(CONFIG_NOT_COHERENT_CACHE) - if (substream->dma_buffer.dev.type == SNDRV_DMA_TYPE_DEV) { - dma_addr_t addr = substream->runtime->dma_addr + ofs; - addr -= get_dma_offset(substream->dma_buffer.dev.dev); - /* assume dma_handle set via pfn_to_phys() in - * mm/dma-noncoherent.c - */ - return pfn_to_page(addr >> PAGE_SHIFT); - } -#endif return virt_to_page(vaddr); } @@ -3309,13 +3292,6 @@ static const struct vm_operations_struct snd_pcm_vm_ops_data_fault = { .fault = snd_pcm_mmap_data_fault, }; -#ifndef ARCH_HAS_DMA_MMAP_COHERENT -/* This should be defined / handled globally! */ -#if defined(CONFIG_ARM) || defined(CONFIG_ARM64) -#define ARCH_HAS_DMA_MMAP_COHERENT -#endif -#endif - /* * mmap the DMA buffer on RAM */ @@ -3331,7 +3307,6 @@ int snd_pcm_lib_default_mmap(struct snd_pcm_substream *substream, area->vm_end - area->vm_start, area->vm_page_prot); } #endif /* CONFIG_GENERIC_ALLOCATOR */ -#ifdef ARCH_HAS_DMA_MMAP_COHERENT if (!substream->ops->page && substream->dma_buffer.dev.type == SNDRV_DMA_TYPE_DEV) return dma_mmap_coherent(substream->dma_buffer.dev.dev, @@ -3339,11 +3314,6 @@ int snd_pcm_lib_default_mmap(struct snd_pcm_substream *substream, substream->runtime->dma_area, substream->runtime->dma_addr, area->vm_end - area->vm_start); -#elif defined(CONFIG_MIPS) && defined(CONFIG_DMA_NONCOHERENT) - if (substream->dma_buffer.dev.type == SNDRV_DMA_TYPE_DEV && - !plat_device_is_coherent(substream->dma_buffer.dev.dev)) - area->vm_page_prot = pgprot_noncached(area->vm_page_prot); -#endif /* ARCH_HAS_DMA_MMAP_COHERENT */ /* mmap with fault handler */ area->vm_ops = &snd_pcm_vm_ops_data_fault; return 0; |