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Groups > linux.kernel > #1293907
| From | Geert Uytterhoeven <geert@linux-m68k.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/4] PCI: rcar: Support runtime PM link state L1 handling in pcie-rcar |
| Date | 2015-12-17 14:50 +0100 |
| Message-ID | <qGH6p-8ue-3@gated-at.bofh.it> (permalink) |
| References | <qGGN4-8nL-15@gated-at.bofh.it> <qGGN4-8nL-13@gated-at.bofh.it> <qGGWK-8qU-23@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Dec 17, 2015 at 2:30 PM, Wolfram Sang <wsa@the-dreams.de> 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@linux-m68k.org
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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[PATCH 2/4] PCI: rcar: Support runtime PM link state L1 handling in pcie-rcar Phil Edworthy <phil.edworthy@renesas.com> - 2015-12-17 14:30 +0100
Re: [PATCH 2/4] PCI: rcar: Support runtime PM link state L1 handling in pcie-rcar Wolfram Sang <wsa@the-dreams.de> - 2015-12-17 14:40 +0100
Re: [PATCH 2/4] PCI: rcar: Support runtime PM link state L1 handling in pcie-rcar Geert Uytterhoeven <geert@linux-m68k.org> - 2015-12-17 14:50 +0100
RE: [PATCH 2/4] PCI: rcar: Support runtime PM link state L1 handling in pcie-rcar Phil Edworthy <phil.edworthy@renesas.com> - 2015-12-18 14:50 +0100
RE: [PATCH 2/4] PCI: rcar: Support runtime PM link state L1 handling in pcie-rcar Phil Edworthy <phil.edworthy@renesas.com> - 2015-12-18 14:50 +0100
Re: [PATCH 2/4] PCI: rcar: Support runtime PM link state L1 handling in pcie-rcar Wolfram Sang <wsa@the-dreams.de> - 2015-12-18 15:10 +0100
RE: [PATCH 2/4] PCI: rcar: Support runtime PM link state L1 handling in pcie-rcar Phil Edworthy <phil.edworthy@renesas.com> - 2015-12-18 16:30 +0100
RE: [PATCH 2/4] PCI: rcar: Support runtime PM link state L1 handling in pcie-rcar Phil Edworthy <phil.edworthy@renesas.com> - 2015-12-21 12:00 +0100
Re: [PATCH 2/4] PCI: rcar: Support runtime PM link state L1 handling in pcie-rcar Geert Uytterhoeven <geert@linux-m68k.org> - 2015-12-21 14:20 +0100
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