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![]() Current implementation of advk_pcie_link_up() is wrong as it marks also
link disabled or hot reset states as link up.
Fix it by marking link up only to those states which are defined in PCIe
Base specification 3.0, Table 4-14: Link Status Mapped to the LTSSM.
To simplify implementation, Define macros for every LTSSM state which
aardvark hardware can return in CFG_REG register.
Fix also checking for link training according to the same Table 4-14.
Define a new function advk_pcie_link_training() for this purpose.
Link: https://lore.kernel.org/r/20211005180952.6812-13-kabel@kernel.org
Fixes:
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.. | ||
controller | ||
endpoint | ||
hotplug | ||
pcie | ||
switch | ||
access.c | ||
ats.c | ||
bus.c | ||
ecam.c | ||
host-bridge.c | ||
iov.c | ||
irq.c | ||
Kconfig | ||
Makefile | ||
mmap.c | ||
msi.c | ||
of.c | ||
p2pdma.c | ||
pci-acpi.c | ||
pci-bridge-emul.c | ||
pci-bridge-emul.h | ||
pci-driver.c | ||
pci-label.c | ||
pci-mid.c | ||
pci-pf-stub.c | ||
pci-stub.c | ||
pci-sysfs.c | ||
pci.c | ||
pci.h | ||
probe.c | ||
proc.c | ||
quirks.c | ||
remove.c | ||
rom.c | ||
search.c | ||
setup-bus.c | ||
setup-irq.c | ||
setup-res.c | ||
slot.c | ||
syscall.c | ||
vc.c | ||
vpd.c | ||
xen-pcifront.c |