From: Alex Williamson <alex.williamson@redhat.com>
Date: Thu, 10 Mar 2011 18:54:16 +0000 (-0700)
Subject: PCI: Enable ASPM state clearing regardless of policy
X-Git-Tag: firefly_0821_release~7613^2~1316^2~26
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3504e47ffca5ed3f9e2cc7d37b428fbf1e00ad1b;p=firefly-linux-kernel-4.4.55.git

PCI: Enable ASPM state clearing regardless of policy

Commit 2f671e2d allowed us to clear ASPM state when the FADT
tells us it isn't supported, but we don't put this into effect
if the aspm_policy is set to POLICY_POWERSAVE.  Enable the
state to be cleared regardless of policy.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---

diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index eee09f756ec9..3eb667b24787 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -608,7 +608,7 @@ void pcie_aspm_init_link_state(struct pci_dev *pdev)
 	 * the BIOS's expectation, we'll do so once pci_enable_device() is
 	 * called.
 	 */
-	if (aspm_policy != POLICY_POWERSAVE) {
+	if (aspm_policy != POLICY_POWERSAVE || aspm_clear_state) {
 		pcie_config_aspm_path(link);
 		pcie_set_clkpm(link, policy_to_clkpm_state(link));
 	}