Re: CONFIG_DMA_NOOP_OPS breaks ARM arch

[Randy Dunlap]

On 10/15/17 20:27, Randy Dunlap wrote:
> On 10/15/17 19:27, Marian Mihailescu wrote:
>> After commit 7844572c633964c864d9f32dc3f2a8ffe5d70371, dma_noop_ops
>> are built only for architectures that use it.
>>
>> For ARM architecture, CONFIG_DMA_NOOP_OPS is not selected, and cannot
>> be selected.
>>
>> However, arch/arm/include/asm/dma-mapping.h is referencing dma_noop_ops:
>>
>> static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
>> {
>> return IS_ENABLED(CONFIG_MMU) ? &arm_dma_ops : &dma_noop_ops;
>> }
>>
>> I will let a maintainer suggest the best resolution for this :)
>>
> 
> add Bart and iommu mailing list.
> 

and add Vladimir.


-- 
~Randy