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Groups > linux.kernel > #1490473
| From | Rob Herring <robh@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] PCI: rockchip: Support quirk to disable 5 GT/s (PCIe 2.x) link rate |
| Date | 2016-09-23 23:50 +0200 |
| Message-ID | <skGw1-Ig-7@gated-at.bofh.it> (permalink) |
| References | <skg8y-Rq-59@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Sep 22, 2016 at 10:31:18AM -0700, Brian Norris wrote: > rk3399 supports PCIe 2.x link speeds marginally at best, and on some > boards, the link won't train at 5 GT/s at all. Rather than sacrifice 500 > ms waiting for training that will never happen, let's support a device > tree quirk flag to disable generation 2 speeds entirely. > > Signed-off-by: Brian Norris <briannorris@chromium.org> > --- > .../devicetree/bindings/pci/rockchip-pcie.txt | 2 + > drivers/pci/host/pcie-rockchip.c | 57 +++++++++++++--------- > 2 files changed, 37 insertions(+), 22 deletions(-) Acked-by: Rob Herring <robh@kernel.org>
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[PATCH] PCI: rockchip: Support quirk to disable 5 GT/s (PCIe 2.x) link rate Brian Norris <briannorris@chromium.org> - 2016-09-22 19:40 +0200
Re: [PATCH] PCI: rockchip: Support quirk to disable 5 GT/s (PCIe 2.x) link rate Shawn Lin <shawn.lin@rock-chips.com> - 2016-09-23 02:30 +0200
Re: [PATCH] PCI: rockchip: Support quirk to disable 5 GT/s (PCIe 2.x) link rate Brian Norris <briannorris@chromium.org> - 2016-09-23 03:20 +0200
Re: [PATCH] PCI: rockchip: Support quirk to disable 5 GT/s (PCIe 2.x) link rate Shawn Lin <shawn.lin@rock-chips.com> - 2016-09-23 03:40 +0200
Re: [PATCH] PCI: rockchip: Support quirk to disable 5 GT/s (PCIe 2.x) link rate Rob Herring <robh@kernel.org> - 2016-09-23 23:50 +0200
Re: [PATCH] PCI: rockchip: Support quirk to disable 5 GT/s (PCIe 2.x) link rate Bjorn Helgaas <helgaas@kernel.org> - 2016-09-24 02:00 +0200
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