Messages in this thread | | | Date | Tue, 04 Apr 2006 14:07:20 -0400 | From | Kartik Babu <> | Subject | dma_alloc_coherent |
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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.
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