From: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Date: Wed, 19 Aug 2009 01:58:09 +0000 (+0900)
Subject: PCI ASPM: remove redundant list check
X-Git-Tag: firefly_0821_release~12950^2~44
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8a339e7321f10dc2f28928ffadb69b6c7c2d5c3b;p=firefly-linux-kernel-4.4.55.git

PCI ASPM: remove redundant list check

Remove the following check in __pcie_aspm_config_link() because it
nerver be true.

Acked-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---

diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 9759714f77e7..638881b00f6b 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -458,9 +458,6 @@ static void __pcie_aspm_config_link(struct pcie_link_state *link, u32 state)
 	struct pci_dev *child, *parent = link->pdev;
 	struct pci_bus *linkbus = parent->subordinate;
 
-	/* If no child, disable the link */
-	if (list_empty(&linkbus->devices))
-		state = 0;
 	/*
 	 * If the downstream component has pci bridge function, don't
 	 * do ASPM now.