On Fri, 30 Jul 2021 22:04:00 +0200, Hans de Goede wrote: > > Hi All;, > > As discussed in the "5.14 regression, Intel SST (BYT) audio no longer works" thread, > audio on X86 devices using the Intel SST driver no longer works with 5.14. > > After poking at this for a while I've found the culprit: > 30b7ba6972d5 ("ALSA: core: Add continuous and vmalloc mmap ops") > > If I revert that single commit then everything works fine again with 5.14. Does the patch below fix the problem? thanks, Takashi --- --- a/sound/core/memalloc.c +++ b/sound/core/memalloc.c @@ -215,7 +215,7 @@ static int snd_dma_continuous_mmap(struct snd_dma_buffer *dmab, struct vm_area_struct *area) { return remap_pfn_range(area, area->vm_start, - dmab->addr >> PAGE_SHIFT, + page_to_pfn(virt_to_page(dmab->area)), area->vm_end - area->vm_start, area->vm_page_prot); }