diff options
Diffstat (limited to 'drivers/pci')
-rw-r--r-- | drivers/pci/pcie/aspm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index 3188cd96b338..bbdb4fd85b9c 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c | |||
@@ -69,6 +69,7 @@ struct pcie_link_state { | |||
69 | }; | 69 | }; |
70 | 70 | ||
71 | static int aspm_disabled, aspm_force, aspm_clear_state; | 71 | static int aspm_disabled, aspm_force, aspm_clear_state; |
72 | static bool aspm_support_enabled = true; | ||
72 | static DEFINE_MUTEX(aspm_lock); | 73 | static DEFINE_MUTEX(aspm_lock); |
73 | static LIST_HEAD(link_list); | 74 | static LIST_HEAD(link_list); |
74 | 75 | ||
@@ -896,6 +897,7 @@ static int __init pcie_aspm_disable(char *str) | |||
896 | { | 897 | { |
897 | if (!strcmp(str, "off")) { | 898 | if (!strcmp(str, "off")) { |
898 | aspm_disabled = 1; | 899 | aspm_disabled = 1; |
900 | aspm_support_enabled = false; | ||
899 | printk(KERN_INFO "PCIe ASPM is disabled\n"); | 901 | printk(KERN_INFO "PCIe ASPM is disabled\n"); |
900 | } else if (!strcmp(str, "force")) { | 902 | } else if (!strcmp(str, "force")) { |
901 | aspm_force = 1; | 903 | aspm_force = 1; |
@@ -930,3 +932,8 @@ int pcie_aspm_enabled(void) | |||
930 | } | 932 | } |
931 | EXPORT_SYMBOL(pcie_aspm_enabled); | 933 | EXPORT_SYMBOL(pcie_aspm_enabled); |
932 | 934 | ||
935 | bool pcie_aspm_support_enabled(void) | ||
936 | { | ||
937 | return aspm_support_enabled; | ||
938 | } | ||
939 | EXPORT_SYMBOL(pcie_aspm_support_enabled); | ||