Hi Christoph,
On Mon, Jul 8, 2019 at 7:51 PM Christoph Hellwig <hch@xxxxxx> wrote:
m68k only provides the dma_prep_coherent symbol when an mmu is enabled
arch_dma_prep_coherent
and not on the coldfire platform. Fix the Kconfig symbol selection
up to match this.
Fixes: 69878ef47562 ("m68k: Implement arch_dma_prep_coherent()")
Do you know the SHA1 for the other commit, that causes the issue when
combined with the above?
Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Acked-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -5,7 +5,7 @@ config M68K
select ARCH_32BIT_OFF_T
select ARCH_HAS_BINFMT_FLAT
select ARCH_HAS_DMA_MMAP_PGPROT if MMU && !COLDFIRE
- select ARCH_HAS_DMA_PREP_COHERENT
+ select ARCH_HAS_DMA_PREP_COHERENT if HAS_DMA && MMU && !COLDFIRE
select ARCH_HAS_SYNC_DMA_FOR_DEVICE if HAS_DMA
select ARCH_MIGHT_HAVE_PC_PARPORT if ISA
select ARCH_NO_COHERENT_DMA_MMAP if !MMU
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
