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| author | Ivan Kokshaysky <ink@jurassic.park.msu.ru> | 2008-04-02 13:04:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-02 15:28:19 -0700 |
| commit | c143d43aa3149b83e4b40624a27aa2b18638afec (patch) | |
| tree | e179afebfec65a61e2d71d87a35b27950256daaf /include/asm-alpha | |
| parent | 39d4c922b596633da86878b1a5cc881785b8e5fa (diff) | |
| download | op-kernel-dev-c143d43aa3149b83e4b40624a27aa2b18638afec.zip op-kernel-dev-c143d43aa3149b83e4b40624a27aa2b18638afec.tar.gz | |
alpha: fix ALSA DMA mmap crash
Make dma_alloc_coherent respect gfp flags (__GFP_COMP is one that
matters).
Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Tested-by: Michael Cree <mcree@orcon.net.nz>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-alpha')
| -rw-r--r-- | include/asm-alpha/dma-mapping.h | 2 | ||||
| -rw-r--r-- | include/asm-alpha/pci.h | 8 |
2 files changed, 8 insertions, 2 deletions
diff --git a/include/asm-alpha/dma-mapping.h b/include/asm-alpha/dma-mapping.h index 75a1aff..db351d1 100644 --- a/include/asm-alpha/dma-mapping.h +++ b/include/asm-alpha/dma-mapping.h @@ -11,7 +11,7 @@ #define dma_unmap_single(dev, addr, size, dir) \ pci_unmap_single(alpha_gendev_to_pci(dev), addr, size, dir) #define dma_alloc_coherent(dev, size, addr, gfp) \ - pci_alloc_consistent(alpha_gendev_to_pci(dev), size, addr) + __pci_alloc_consistent(alpha_gendev_to_pci(dev), size, addr, gfp) #define dma_free_coherent(dev, size, va, addr) \ pci_free_consistent(alpha_gendev_to_pci(dev), size, va, addr) #define dma_map_page(dev, page, off, size, dir) \ diff --git a/include/asm-alpha/pci.h b/include/asm-alpha/pci.h index d5b10ef..d31fd49 100644 --- a/include/asm-alpha/pci.h +++ b/include/asm-alpha/pci.h @@ -76,7 +76,13 @@ extern inline void pcibios_penalize_isa_irq(int irq, int active) successful and sets *DMA_ADDRP to the pci side dma address as well, else DMA_ADDRP is undefined. */ -extern void *pci_alloc_consistent(struct pci_dev *, size_t, dma_addr_t *); +extern void *__pci_alloc_consistent(struct pci_dev *, size_t, + dma_addr_t *, gfp_t); +static inline void * +pci_alloc_consistent(struct pci_dev *dev, size_t size, dma_addr_t *dma) +{ + return __pci_alloc_consistent(dev, size, dma, GFP_ATOMIC); +} /* Free and unmap a consistent DMA buffer. CPU_ADDR and DMA_ADDR must be values that were returned from pci_alloc_consistent. SIZE must |
