Messages in this thread | | | Subject | Re: [PATCH] dma-mapping: remove an unnecessary NULL check | From | Ian Abbott <> | Date | Thu, 25 Apr 2019 15:31:01 +0100 |
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On 25/04/2019 15:18, Christoph Hellwig wrote: > On Thu, Apr 25, 2019 at 03:13:49PM +0100, Ian Abbott wrote: >> So for comedi_isadma, we can just replace the NULL with a pointer to a >> static dummy device with a 24-bit coherent mask? > > It should be converted to a proper isa_driver, so that it gets a real > struct device.
But it will work as a short term solution? comedi_isadma isn't a driver, but is used by a few comedi drivers for ISA cards.
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