diff mbox series

[v3,04/11] PCI/ASPM: Clear aspm_disable as part of __pci_enable_link_state()

Message ID 20250519-mhi_bw_up-v3-4-3acd4a17bbb5@oss.qualcomm.com
State New
Headers show
Series bus: mhi: host: Add support for mhi bus bw | expand

Commit Message

Krishna Chaitanya Chundru May 19, 2025, 9:42 a.m. UTC
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@oss.qualcomm.com>
---
 drivers/pci/pcie/aspm.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

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;