Re: [PATCH v3] PCI: rcar: Check if device is runtime suspended instead of __clk_is_enabled()

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Hi Marek,

Thanks for your patch!

On Sun, Nov 7, 2021 at 8:11 PM <marek.vasut@xxxxxxxxx> wrote:
> From: Marek Vasut <marek.vasut+renesas@xxxxxxxxx>
>
> Replace __clk_is_enabled() with pm_runtime_suspended(),
> otherwise the following build error occurs:
>   arm-linux-gnueabi-ld: drivers/pci/controller/pcie-rcar-host.o: in function `rcar_pcie_aarch32_abort_handler':
>   pcie-rcar-host.c:(.text+0xdd0): undefined reference to `__clk_is_enabled'

While this describes what is done and why, it misses one important
semantic change: the old __clk_is_enabled() actually checked the wrong
clock (bus clock instead of module clock), while pm_runtime_suspended()
reflects (a.o.) the state of the module clock.

>
> Fixes: a115b1bd3af0 ("PCI: rcar: Add L1 link state fix into data abort hook")
> Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxx>

Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

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



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