ACPI: scan: Unify the log message printing

The log messages in scan.c is not in consistency, some pr_*() calls
have PREFIX, but some don't.

Using pr_fmt() and remove PREFIX, also replace printk() with pr_*()
macro to unify the message printing.

Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index e10d38a..0c916c1 100644 (file)
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -3,6 +3,8 @@
  * scan.c - support for transforming the ACPI namespace into individual objects
  */
 
+#define pr_fmt(fmt) "ACPI: " fmt
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/slab.h>
@@ -729,7 +731,7 @@ int acpi_device_add(struct acpi_device *device,
 
        result = acpi_device_setup_files(device);
        if (result)
-               printk(KERN_ERR PREFIX "Error creating sysfs interface for device %s\n",
+               pr_err("Error creating sysfs interface for device %s\n",
                       dev_name(&device->dev));
 
        return 0;
@@ -1320,8 +1322,7 @@ static void acpi_set_pnp_ids(acpi_handle handle, struct acpi_device_pnp *pnp,
 
                acpi_get_object_info(handle, &info);
                if (!info) {
-                       pr_err(PREFIX "%s: Error reading device info\n",
-                                       __func__);
+                       pr_err("%s: Error reading device info\n", __func__);
                        return;
                }
 
@@ -2278,7 +2279,7 @@ static void __init acpi_get_spcr_uart_addr(void)
        status = acpi_get_table(ACPI_SIG_SPCR, 0,
                                (struct acpi_table_header **)&spcr_ptr);
        if (ACPI_FAILURE(status)) {
-               pr_warn(PREFIX "STAO table present, but SPCR is missing\n");
+               pr_warn("STAO table present, but SPCR is missing\n");
                return;
        }
 
@@ -2319,7 +2320,7 @@ int __init acpi_scan_init(void)
                                (struct acpi_table_header **)&stao_ptr);
        if (ACPI_SUCCESS(status)) {
                if (stao_ptr->header.length > sizeof(struct acpi_table_stao))
-                       pr_info(PREFIX "STAO Name List not yet supported.\n");
+                       pr_info("STAO Name List not yet supported.\n");
 
                if (stao_ptr->ignore_uart)
                        acpi_get_spcr_uart_addr();