Re: [PATCH 6/6] dt-bindings: spi: Document Renesas SPIBSC bindings

[Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>]

On Tue, Dec 3, 2019 at 9:39 PM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> On Tue, Dec 3, 2019 at 7:57 PM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> Once you have added basic Runtime PM support to
> drivers/mtd/maps/physmap-core.c:physmap_flash_probe(), the module clock
> should be kept enabled through the clock domain when using direct mapped
> mode (hmm, as the driver currently lacks this, it means the FLASH on
> ape6evm must rely on the bsc module clock being kept enabled through the
> Ethernet controller connected to the same bsc module?).

JFTR, this is indeed broken: after removing the Ethernet node from
r8a73a4-ape6evm.dts, accessing the FLASH crashes the system with an
imprecise external abort.

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