[lkml]   [2003]   [Aug]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] RFC: kills consistent_dma_mask
>>>>> "Krzysztof" == Krzysztof Halasa <> writes:

Krzysztof> Example:

Krzysztof> $ grep DMA_MASK sound/oss/emu10k1/main.c #define
Krzysztof> EMU10K1_DMA_MASK 0x1fffffff /* DMA buffer mask for
Krzysztof> pci_alloc_consist */ if (pci_set_dma_mask(pci_dev,
Krzysztof> EMU10K1_DMA_MASK)) {

Krzysztof> Do you see a problem here? It will work if and only if
Krzysztof> pci_alloc_consistent uses dma_mask rather than
Krzysztof> consistent_dma_mask.

Yes there is a problem, them emu10k driver was expecting the
pci_set_dma_mask call to affect pci_alloc_consistent, which was
unfortunately incorrect usage of the API.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:47    [W:0.232 / U:0.320 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site