Re: [PATCH 15/26] asm-generic: ioremap_uc should behave the same with and without MMU

2019-08-17 Thread Paul Walmsley
On Sat, 17 Aug 2019, Christoph Hellwig wrote: > Whatever reason there is for the existence of ioremap_uc, and the fact > that it returns NULL by default on architectures with an MMU applies > equally to nommu architectures, so don't provide different defaults. > > In practice the difference is

[PATCH 15/26] asm-generic: ioremap_uc should behave the same with and without MMU

2019-08-17 Thread Christoph Hellwig
Whatever reason there is for the existence of ioremap_uc, and the fact that it returns NULL by default on architectures with an MMU applies equally to nommu architectures, so don't provide different defaults. In practice the difference is meaningless as the only portable driver that uses ioremap_u