PCI: rcar: Try increasing PCIe link speed to 5 GT/s at boot

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The PCIe link speed is initially set to 2.5 GT/s.  Try to increase the link
speed to 5 GT/s.

Based on original patch by Grigory Kletsko
<grigory.kletsko@cogentembedded.com>.

[bhelgaas: remove "Trying speed up" message, remove unused SPCHG]
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>

...

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Sergei Shtylyov 2016-09-22 23:20:18 +03:00 • committed by Bjorn Helgaas

parent f7bc63802d

commit b3327f7fae

1 changed files with 66 additions and 0 deletions

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drivers/pci/host/pcie-rcar.c

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