Re: pci_set_dma_mask()/pci_dma_supported() & broken PCI bridge issue

From: Deepak Saxena
Date: Mon Mar 08 2004 - 23:57:51 EST

On Mar 08 2004, at 21:41, Deepak Saxena was caught saying:
> I am a bit confused about the proper way that dma_set_mask() should
> behave. My situation is that I have an ARM core that has broken
> PCI window, allowing DMA only to/from the lower 64MB of RAM. My
> current approach to get around this is custom dma-API functions
> that trap based on (dev->bus == &pci_bus_type && *dev->dma_mask !=
> 0xfffffff). If dma_mask is 0xfffffff, I use the generic ARM dma API

I meant 0xffffffff

Deepak Saxena - dsaxena at plexity dot net -
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