Geert Uytterhoeven
geert****@linux*****
2017年 7月 11日 (火) 17:57:07 JST
Hi Arnd, On Tue, Jul 11, 2017 at 10:39 AM, Arnd Bergmann <arnd****@arndb*****> wrote: > On Tue, Jul 11, 2017 at 8:59 AM, Geert Uytterhoeven > <geert****@linux*****> wrote: > >> Whether we want to hide the option (and default to y if ARCH_RENESAS, i.e. >> ARM) is another question. Note that that wouldn't reduce code maintainability, >> as the #ifdefs would be kept, and it would prevent building and testing >> with/without DMA on ARM. > > arch/sh/configs/sdk7786_defconfig enables it, too, so it should at least be > a user-selectable option on SuperH if you do that. But that can't enable DMA, as (1) the non-DT DMA configuration was removed due to (2) being unused. Cfr. commit 219fb0c1436e4893 ("serial: sh-sci: Remove the platform data dma slave rx/tx channel IDs"). Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert****@linux***** 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
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