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This patch uses REG32_PCIE wrapper instead of writting pci_index2 and reading pci_data2 for powerplay. This sequence should be protected by pcie_idx_lock. Signed-off-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>