tile PCI RC: handle case that PCI link is already up

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If we are rebooting (e.g. via kexec) then the PCI RC link may
already be up.  In that case, we don't want to do the software
fixup to force the link up, since that can degrade it to Gen1.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>

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This commit is contained in:

Chris Metcalf 2013-08-02 11:56:44 -04:00

parent b3ad73a33e

commit 26cde05a2c

1 changed files with 28 additions and 13 deletions

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arch/tile/kernel/pci_gx.c

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