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authorJohnny-CC Chang <Johnny-CC.Chang@mediatek.com>2025-11-13 16:44:06 +0800
committerSasha Levin <sashal@kernel.org>2026-03-04 07:20:27 -0500
commitb8bd9fe67041cfa58d5cfd7884caa178d094612d (patch)
tree02d3b89cb8789b1b7de11223595757c78b3d0e9e /include/linux
parent551f16cd696e5bf0b82eacb87a0c4db382df0ba8 (diff)
PCI: Mark Nvidia GB10 to avoid bus reset
[ Upstream commit c81a2ce6b6a844d1a57d2a69833a9d0f00403f00 ] After asserting Secondary Bus Reset to downstream devices via a GB10 Root Port, the link may not retrain correctly, e.g., the link may retrain with a lower lane count or config accesses to downstream devices may fail. Prevent use of Secondary Bus Reset for devices below GB10. Signed-off-by: Johnny-CC Chang <Johnny-CC.Chang@mediatek.com> [bhelgaas: drop pci_ids.h update (only used once), update commit log] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Manivannan Sadhasivam <mani@kernel.org> Link: https://patch.msgid.link/20251113084441.2124737-1-Johnny-CC.Chang@mediatek.com Signed-off-by: Sasha Levin <sashal@kernel.org>
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