Re: [PATCH v3] q800: fix I/O memory map

2019-11-05 Thread Richard Henderson
On 11/4/19 11:15 AM, Laurent Vivier wrote: > Linux kernel 5.4 will introduce a new memory map for SWIM device. > (aee6bff1c325 ("m68k: mac: Revisit floppy disc controller base addresses")) > > Until this release all MMIO are mapped between 0x50f0 and 0x50f4, > but it appears that for real

[PATCH v3] q800: fix I/O memory map

2019-11-04 Thread Laurent Vivier
Linux kernel 5.4 will introduce a new memory map for SWIM device. (aee6bff1c325 ("m68k: mac: Revisit floppy disc controller base addresses")) Until this release all MMIO are mapped between 0x50f0 and 0x50f4, but it appears that for real hardware 0x50f0 is not the base address: the