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-rw-r--r--drivers/pci/hotplug/acpi_pcihp.c21
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");