PCI/ACPI: Use dev_printk(), acpi_handle_print(), pr_xxx() when possible
Use dev_printk(), acpi_handle_print(), and pr_xxx() to print messages
in pci_root.c.
[bhelgaas: fold in dev_printk() changes, use dev_printk() in
handle_root_bridge_insertion()]
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Len Brown <lenb@kernel.org>
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 18b7ab2..2702088 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -388,7 +388,7 @@
status = acpi_evaluate_integer(handle, METHOD_NAME__SEG, NULL,
&segment);
if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
- printk(KERN_ERR PREFIX "can't evaluate _SEG\n");
+ dev_err(&device->dev, "can't evaluate _SEG\n");
result = -ENODEV;
goto end;
}
@@ -404,8 +404,8 @@
* can do is assume [_BBN-0xFF] or [0-0xFF].
*/
root->secondary.end = 0xFF;
- printk(KERN_WARNING FW_BUG PREFIX
- "no secondary bus range in _CRS\n");
+ dev_warn(&device->dev,
+ FW_BUG "no secondary bus range in _CRS\n");
status = acpi_evaluate_integer(handle, METHOD_NAME__BBN,
NULL, &bus);
if (ACPI_SUCCESS(status))
@@ -413,7 +413,7 @@
else if (status == AE_NOT_FOUND)
root->secondary.start = 0;
else {
- printk(KERN_ERR PREFIX "can't evaluate _BBN\n");
+ dev_err(&device->dev, "can't evaluate _BBN\n");
result = -ENODEV;
goto end;
}
@@ -425,7 +425,7 @@
strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS);
device->driver_data = root;
- printk(KERN_INFO PREFIX "%s [%s] (domain %04x %pR)\n",
+ pr_info(PREFIX "%s [%s] (domain %04x %pR)\n",
acpi_device_name(device), acpi_device_bid(device),
root->segment, &root->secondary);
@@ -451,9 +451,9 @@
*/
root->bus = pci_acpi_scan_root(root);
if (!root->bus) {
- printk(KERN_ERR PREFIX
- "Bus %04x:%02x not present in PCI namespace\n",
- root->segment, (unsigned int)root->secondary.start);
+ dev_err(&device->dev,
+ "Bus %04x:%02x not present in PCI namespace\n",
+ root->segment, (unsigned int)root->secondary.start);
result = -ENODEV;
goto end;
}
@@ -511,8 +511,8 @@
"ACPI _OSC request failed (%s), "
"returned control mask: 0x%02x\n",
acpi_format_exception(status), flags);
- pr_info("ACPI _OSC control for PCIe not granted, "
- "disabling ASPM\n");
+ dev_info(&device->dev,
+ "ACPI _OSC control for PCIe not granted, disabling ASPM\n");
pcie_no_aspm();
}
} else {
@@ -571,12 +571,13 @@
struct acpi_device *device;
if (!acpi_bus_get_device(handle, &device)) {
- printk(KERN_DEBUG "acpi device exists...\n");
+ dev_printk(KERN_DEBUG, &device->dev,
+ "acpi device already exists; ignoring notify\n");
return;
}
if (acpi_bus_scan(handle))
- printk(KERN_ERR "cannot add bridge to acpi list\n");
+ acpi_handle_err(handle, "cannot add bridge to acpi list\n");
}
static void handle_root_bridge_removal(struct acpi_device *device)
@@ -605,7 +606,6 @@
static void _handle_hotplug_event_root(struct work_struct *work)
{
struct acpi_pci_root *root;
- struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER };
struct acpi_hp_work *hp_work;
acpi_handle handle;
u32 type;
@@ -617,13 +617,12 @@
acpi_scan_lock_acquire();
root = acpi_pci_find_root(handle);
- acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
switch (type) {
case ACPI_NOTIFY_BUS_CHECK:
/* bus enumerate */
- printk(KERN_DEBUG "%s: Bus check notify on %s\n", __func__,
- (char *)buffer.pointer);
+ acpi_handle_printk(KERN_DEBUG, handle,
+ "Bus check notify on %s\n", __func__);
if (!root)
handle_root_bridge_insertion(handle);
@@ -631,28 +630,28 @@
case ACPI_NOTIFY_DEVICE_CHECK:
/* device check */
- printk(KERN_DEBUG "%s: Device check notify on %s\n", __func__,
- (char *)buffer.pointer);
+ acpi_handle_printk(KERN_DEBUG, handle,
+ "Device check notify on %s\n", __func__);
if (!root)
handle_root_bridge_insertion(handle);
break;
case ACPI_NOTIFY_EJECT_REQUEST:
/* request device eject */
- printk(KERN_DEBUG "%s: Device eject notify on %s\n", __func__,
- (char *)buffer.pointer);
+ acpi_handle_printk(KERN_DEBUG, handle,
+ "Device eject notify on %s\n", __func__);
if (root)
handle_root_bridge_removal(root->device);
break;
default:
- printk(KERN_WARNING "notify_handler: unknown event type 0x%x for %s\n",
- type, (char *)buffer.pointer);
+ acpi_handle_warn(handle,
+ "notify_handler: unknown event type 0x%x\n",
+ type);
break;
}
acpi_scan_lock_release();
kfree(hp_work); /* allocated in handle_hotplug_event_bridge */
- kfree(buffer.pointer);
}
static void handle_hotplug_event_root(acpi_handle handle, u32 type,
@@ -666,9 +665,6 @@
find_root_bridges(acpi_handle handle, u32 lvl, void *context, void **rv)
{
acpi_status status;
- char objname[64];
- struct acpi_buffer buffer = { .length = sizeof(objname),
- .pointer = objname };
int *count = (int *)context;
if (!acpi_is_root_bridge(handle))
@@ -676,16 +672,15 @@
(*count)++;
- acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
-
status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
handle_hotplug_event_root, NULL);
if (ACPI_FAILURE(status))
- printk(KERN_DEBUG "acpi root: %s notify handler is not installed, exit status: %u\n",
- objname, (unsigned int)status);
+ acpi_handle_printk(KERN_DEBUG, handle,
+ "notify handler is not installed, exit status: %u\n",
+ (unsigned int)status);
else
- printk(KERN_DEBUG "acpi root: %s notify handler is installed\n",
- objname);
+ acpi_handle_printk(KERN_DEBUG, handle,
+ "notify handler is installed\n");
return AE_OK;
}