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14c4ad125c
mirror_ubuntu-kernels/drivers/pci/controller/dwc
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Serge Semin 14c4ad125c PCI: dwc: Log link speed and width if it comes up 
Printing just "link up" isn't very informative for PCI Express. Even if the
link is up, bus performance can degrade to slower speeds or to narrower
width than both Root Port and its partner is capable of. In that case it
would be handy to know the link specifications as early as possible.

If the link comes up, log the link speed (PCIe generation) and width.

Link: https://lore.kernel.org/r/20220624143947.8991-2-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
2022-08-01 15:01:25 -05:00
..
Kconfig Merge branch 'remotes/lorenzo/pci/qcom' 2021-11-05 11:28:52 -05:00
Makefile PCI: qcom-ep: Add Qualcomm PCIe Endpoint controller driver 2021-10-11 15:34:02 -05:00
pci-dra7xx.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pci-exynos.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pci-imx6.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pci-keystone.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pci-layerscape-ep.c PCI: dwc: Add start_link/stop_link inlines 2022-07-05 19:00:52 -05:00
pci-layerscape.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pci-meson.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pcie-al.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pcie-armada8k.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pcie-artpec6.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pcie-designware-ep.c PCI: dwc: Add start_link/stop_link inlines 2022-07-05 19:00:52 -05:00
pcie-designware-host.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pcie-designware-plat.c PCI: dwc-plat: Drop dw_plat_pcie_of_match[] forward declaration 2022-07-05 19:00:52 -05:00
pcie-designware.c PCI: dwc: Log link speed and width if it comes up 2022-08-01 15:01:25 -05:00
pcie-designware.h PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pcie-dw-rockchip.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pcie-fu740.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pcie-hisi.c PCI: hisi: Avoid invalid address space conversions 2022-01-03 15:05:28 -06:00
pcie-histb.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pcie-intel-gw.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pcie-keembay.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pcie-kirin.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pcie-qcom-ep.c PCI: qcom-ep: Move enable/disable resources code to common functions 2022-05-11 10:48:35 +01:00
pcie-qcom.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pcie-spear13xx.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pcie-tegra194-acpi.c PCI: tegra194: Fix MCFG quirk build regressions 2021-06-18 10:32:34 -05:00
pcie-tegra194.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pcie-uniphier-ep.c PCI: uniphier-ep: Add NX1 support 2022-02-11 16:26:21 +00:00
pcie-uniphier.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00
pcie-visconti.c PCI: dwc: Rename struct pcie_port to dw_pcie_rp 2022-07-05 19:00:52 -05:00