ACPI: sleep: Unify the message printing

Intoduce pr_fmt() and use pr_*() macros to replace printk(), also
remove all the PREFIX for pr_*() calls to generate a unified format
string for prefix.

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

diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index df386571da98b1777fad8c664b0d992ebc02739e..e1773c29e4143f0615fe314bfc92b4736119cbf8 100644 (file)
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -8,6 +8,8 @@
  * Copyright (c) 2003 Open Source Development Lab
  */
 
+#define pr_fmt(fmt) "ACPI: PM: " fmt
+
 #include <linux/delay.h>
 #include <linux/irq.h>
 #include <linux/dmi.h>
@@ -41,7 +43,7 @@ static void acpi_sleep_tts_switch(u32 acpi_state)
                 * OS can't evaluate the _TTS object correctly. Some warning
                 * message will be printed. But it won't break anything.
                 */
-               printk(KERN_NOTICE "Failure in evaluating _TTS object\n");
+               pr_notice("Failure in evaluating _TTS object\n");
        }
 }
 
@@ -73,8 +75,7 @@ static int acpi_sleep_prepare(u32 acpi_state)
        }
        ACPI_FLUSH_CPU_CACHE();
 #endif
-       printk(KERN_INFO PREFIX "Preparing to enter system sleep state S%d\n",
-               acpi_state);
+       pr_info("Preparing to enter system sleep state S%d\n", acpi_state);
        acpi_enable_wakeup_devices(acpi_state);
        acpi_enter_sleep_state_prep(acpi_state);
        return 0;
@@ -459,8 +460,7 @@ static void acpi_pm_finish(void)
        if (acpi_state == ACPI_STATE_S0)
                return;
 
-       printk(KERN_INFO PREFIX "Waking up from system sleep state S%d\n",
-               acpi_state);
+       pr_info("Waking up from system sleep state S%d\n", acpi_state);
        acpi_disable_wakeup_devices(acpi_state);
        acpi_leave_sleep_state(acpi_state);
 
@@ -581,7 +581,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
                error = acpi_suspend_lowlevel();
                if (error)
                        return error;
-               pr_info(PREFIX "Low-level resume complete\n");
+               pr_info("Low-level resume complete\n");
                pm_set_resume_via_firmware();
                break;
        }
@@ -921,7 +921,7 @@ static void acpi_hibernation_leave(void)
        acpi_leave_sleep_state_prep(ACPI_STATE_S4);
        /* Check the hardware signature */
        if (facs && s4_hardware_signature != facs->hardware_signature)
-               pr_crit("ACPI: Hardware changed while hibernated, success doubtful!\n");
+               pr_crit("Hardware changed while hibernated, success doubtful!\n");
        /* Restore the NVS memory area */
        suspend_nvs_restore();
        /* Allow EC transactions to happen. */
@@ -1029,7 +1029,7 @@ static void acpi_power_off_prepare(void)
 static void acpi_power_off(void)
 {
        /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */
-       printk(KERN_DEBUG "%s called\n", __func__);
+       pr_debug("%s called\n", __func__);
        local_irq_disable();
        acpi_enter_sleep_state(ACPI_STATE_S5);
 }
@@ -1061,7 +1061,7 @@ int __init acpi_sleep_init(void)
                if (sleep_states[i])
                        pos += sprintf(pos, " S%d", i);
        }
-       pr_info(PREFIX "(supports%s)\n", supported);
+       pr_info("(supports%s)\n", supported);
 
        /*
         * Register the tts_notifier to reboot notifier list so that the _TTS