diff options
Diffstat (limited to 'drivers/pci/hotplug')
| -rw-r--r-- | drivers/pci/hotplug/acpi_pcihp.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/pci/hotplug/acpi_pcihp.c b/drivers/pci/hotplug/acpi_pcihp.c index 9395fec7342..afac5c37325 100644 --- a/drivers/pci/hotplug/acpi_pcihp.c +++ b/drivers/pci/hotplug/acpi_pcihp.c @@ -25,6 +25,7 @@ */ #include <linux/module.h> +#include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/types.h> #include <linux/pci.h> @@ -33,10 +34,19 @@ #include <acpi/actypes.h> #include "pci_hotplug.h" +#define MY_NAME "acpi_pcihp" + +#define dbg(fmt, arg...) do { if (debug_acpi) printk(KERN_DEBUG "%s: %s: " fmt , MY_NAME , __FUNCTION__ , ## arg); } while (0) +#define err(format, arg...) printk(KERN_ERR "%s: " format , MY_NAME , ## arg) +#define info(format, arg...) printk(KERN_INFO "%s: " format , MY_NAME , ## arg) +#define warn(format, arg...) printk(KERN_WARNING "%s: " format , MY_NAME , ## arg) + #define METHOD_NAME__SUN "_SUN" #define METHOD_NAME__HPP "_HPP" #define METHOD_NAME_OSHP "OSHP" +static int debug_acpi; + static acpi_status acpi_run_hpp(acpi_handle handle, struct hotplug_params *hpp) @@ -130,8 +140,12 @@ acpi_status acpi_run_oshp(acpi_handle handle) /* run OSHP */ status = acpi_evaluate_object(handle, METHOD_NAME_OSHP, NULL, NULL); if (ACPI_FAILURE(status)) - printk(KERN_ERR "%s:%s OSHP fails=0x%x\n", __FUNCTION__, - (char *)string.pointer, status); + if (status != AE_NOT_FOUND) + printk(KERN_ERR "%s:%s OSHP fails=0x%x\n", + __FUNCTION__, (char *)string.pointer, status); + else + dbg("%s:%s OSHP not found\n", + __FUNCTION__, (char *)string.pointer); else pr_debug("%s:%s OSHP passes\n", __FUNCTION__, (char *)string.pointer); @@ -223,3 +237,6 @@ int acpi_root_bridge(acpi_handle handle) return 0; } EXPORT_SYMBOL_GPL(acpi_root_bridge); + +module_param(debug_acpi, bool, 0644); +MODULE_PARM_DESC(debug_acpi, "Debugging mode for ACPI enabled or not"); |