Re: [PATCH 2/4] PCI: rcar: Support runtime PM link state L1 handling in pcie-rcar

[Geert Uytterhoeven]

On Thu, Dec 17, 2015 at 2:30 PM, Wolfram Sang <wsa@xxxxxxxxxxxxx> wrote:
>> +             /* Wait until we are in L1 */
>> +             while (!(val & L1FAEG))
>> +                     val = rcar_pci_read_reg(pcie, PMSR);
>
> No timeout?

And no cpu_relax() in each iteration.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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                                -- Linus Torvalds
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