If a driver wants to enable ASPM back after disabling ASPM for some usecase, it is not being enabled properly because of the aspm_disable flag is not getting cleared. This flag is being properly when aspm is controlled by sysfs. Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@xxxxxxxxxxxxxxxx> --- drivers/pci/pcie/aspm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index 94324fc0d3e650cd3ca2c0bb8c1895ca7e647b9d..0f858ef86111b43328bc7db01e6493ce67178458 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -1453,6 +1453,7 @@ static int __pci_enable_link_state(struct pci_dev *pdev, int state, bool locked) down_read(&pci_bus_sem); mutex_lock(&aspm_lock); link->aspm_default = pci_calc_aspm_enable_mask(state); + link->aspm_disable &= ~state; pcie_config_aspm_link(link, policy_to_aspm_state(link)); link->clkpm_default = (state & PCIE_LINK_STATE_CLKPM) ? 1 : 0; -- 2.34.1