Messages in this thread | | | Date | Tue, 04 Apr 2006 17:45:57 -0600 | From | Robert Hancock <> | Subject | Re: dma_alloc_coherent |
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Kartik Babu wrote: > I'm trying to replace consistent_alloc in a driver that was written for > the 2.4 kernel with dma_alloc_coherent. My question is that I do not use > a struct device * pointer at all. Browsing through the source for the > 2.6.12 > on ARM XScale PXA255, I see that this argument may be NULL. > > Still, I'd like to know if passing NULL has any side effects. If so, > what are they? > > I do however have a cdev structure taht I use for device registration, > but I do not see how that would help.
What kind of a device is it? If it's a PCI device, the struct device can be accessed with the dev pointer inside the struct pci_dev.
-- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/
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