Messages in this thread | | | Date | Fri, 18 Sep 2020 07:10:30 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH 3/4] ARM/dma-mapping: don't handle NULL devices in dma-direct.h |
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On Thu, Sep 17, 2020 at 07:50:10PM +0100, Russell King - ARM Linux admin wrote: > On Thu, Sep 17, 2020 at 07:32:28PM +0200, Christoph Hellwig wrote: > > The DMA API removed support for not passing in a device a long time > > ago, so remove the NULL checks. > > What happens with ISA devices?
For actual drivers they've been switched to struct isa_driver, which provides a struct device. For some of the special case like the arch/arm/kernel/dma-isa.c we now use static struct device instances.
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