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authorAndy Green <andy.green@linaro.org>2011-04-15 09:29:22 +0100
committerAndy Green <andy.green@linaro.org>2011-04-15 09:29:22 +0100
commitcaa70ccf8cc719acb0540b558b4e075796778db8 (patch)
treee8173307b04eca62168415be04e7800bdf011f80 /drivers/pci/pcie/aspm.c
parent56d667f87e81d15d43f264007322f1179ce1722e (diff)
parent3ec10cd8b526c6b10170c2649002672ee2019e73 (diff)
Merge branch 'linux-linaro-2.6.38-master' into for-ubuntuu2
Diffstat (limited to 'drivers/pci/pcie/aspm.c')
-rw-r--r--drivers/pci/pcie/aspm.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 3188cd96b33..bbdb4fd85b9 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -69,6 +69,7 @@ struct pcie_link_state {
};
static int aspm_disabled, aspm_force, aspm_clear_state;
+static bool aspm_support_enabled = true;
static DEFINE_MUTEX(aspm_lock);
static LIST_HEAD(link_list);
@@ -896,6 +897,7 @@ static int __init pcie_aspm_disable(char *str)
{
if (!strcmp(str, "off")) {
aspm_disabled = 1;
+ aspm_support_enabled = false;
printk(KERN_INFO "PCIe ASPM is disabled\n");
} else if (!strcmp(str, "force")) {
aspm_force = 1;
@@ -930,3 +932,8 @@ int pcie_aspm_enabled(void)
}
EXPORT_SYMBOL(pcie_aspm_enabled);
+bool pcie_aspm_support_enabled(void)
+{
+ return aspm_support_enabled;
+}
+EXPORT_SYMBOL(pcie_aspm_support_enabled);