From: Deepak Saxena <dsaxena@plexity.net>
To: linux-kernel@vger.kernel.org
Subject: Re: pci_set_dma_mask()/pci_dma_supported() & broken PCI bridge issue
Date: Mon, 8 Mar 2004 21:55:41 -0700 [thread overview]
Message-ID: <20040309045541.GA9718@plexity.net> (raw)
In-Reply-To: <20040309044138.GA9491@plexity.net>
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 - http://www.plexity.net/
prev parent reply other threads:[~2004-03-09 4:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-09 4:41 pci_set_dma_mask()/pci_dma_supported() & broken PCI bridge issue Deepak Saxena
2004-03-09 4:55 ` Deepak Saxena [this message]
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