[PATCH 01/18] ACPI: cmos_rtc: Using pr_fmt() and remove PREFIX

[Hanjun Guo <guohanjun@xxxxxxxxxx>]

Introduce pr_fmt() and remove printk PREFIX to unify the
log message printing.

Signed-off-by: Hanjun Guo <guohanjun@xxxxxxxxxx>
---
 drivers/acpi/acpi_cmos_rtc.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/acpi_cmos_rtc.c b/drivers/acpi/acpi_cmos_rtc.c
index 67f1d33..4cf4aef 100644
--- a/drivers/acpi/acpi_cmos_rtc.c
+++ b/drivers/acpi/acpi_cmos_rtc.c
@@ -6,6 +6,8 @@
  * Authors: Lan Tianyu <tianyu.lan@xxxxxxxxx>
  */
 
+#define pr_fmt(fmt) "ACPI: " fmt
+
 #include <linux/acpi.h>
 #include <linux/device.h>
 #include <linux/err.h>
@@ -59,7 +61,7 @@ static int acpi_install_cmos_rtc_space_handler(struct acpi_device *adev,
 			&acpi_cmos_rtc_space_handler,
 			NULL, NULL);
 	if (ACPI_FAILURE(status)) {
-		pr_err(PREFIX "Error installing CMOS-RTC region handler\n");
+		pr_err("Error installing CMOS-RTC region handler\n");
 		return -ENODEV;
 	}
 
@@ -70,7 +72,7 @@ static void acpi_remove_cmos_rtc_space_handler(struct acpi_device *adev)
 {
 	if (ACPI_FAILURE(acpi_remove_address_space_handler(adev->handle,
 			ACPI_ADR_SPACE_CMOS, &acpi_cmos_rtc_space_handler)))
-		pr_err(PREFIX "Error removing CMOS-RTC region handler\n");
+		pr_err("Error removing CMOS-RTC region handler\n");
 }
 
 static struct acpi_scan_handler cmos_rtc_handler = {
-- 
1.7.12.4