[PATCH v1] platform: x86: ACPI: Get rid of ACPICA message printing

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From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

A few x86 platform drivers use ACPI_DEBUG_PRINT() or ACPI_EXCEPTION()
for printing messages, but that is questionable, because those macros
belong to ACPICA and they should not be used elsewhere.  In addition,
ACPI_DEBUG_PRINT() requires special enabling to allow it to actually
print the message, which is a nuisance, and the _COMPONENT symbol
generally needed for that is not defined in any of the files in
question.

For this reason, replace the ACPI_DEBUG_PRINT() in lg-laptop.c with
pr_debug() and the one in xo15-ebook.c with acpi_handle_debug()
(with the additional benefit that the source object can be identified
more easily after this change), and replace the ACPI_EXCEPTION() in
acer-wmi.c with pr_warn().

Also drop the ACPI_MODULE_NAME() definitions that are only used by
the ACPICA message printing macros from those files and from wmi.c
and surfacepro3_button.c (while at it).

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
---
 drivers/platform/surface/surfacepro3_button.c |    2 --
 drivers/platform/x86/acer-wmi.c               |    4 ++--
 drivers/platform/x86/lg-laptop.c              |    2 +-
 drivers/platform/x86/wmi.c                    |    1 -
 drivers/platform/x86/xo15-ebook.c             |    6 ++----
 5 files changed, 5 insertions(+), 10 deletions(-)

Index: linux-pm/drivers/platform/x86/lg-laptop.c
===================================================================
--- linux-pm.orig/drivers/platform/x86/lg-laptop.c
+++ linux-pm/drivers/platform/x86/lg-laptop.c
@@ -678,7 +678,7 @@ static int __init acpi_init(void)
 
 	result = acpi_bus_register_driver(&acpi_driver);
 	if (result < 0) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error registering driver\n"));
+		pr_debug("Error registering driver\n");
 		return -ENODEV;
 	}
 
Index: linux-pm/drivers/platform/x86/xo15-ebook.c
===================================================================
--- linux-pm.orig/drivers/platform/x86/xo15-ebook.c
+++ linux-pm/drivers/platform/x86/xo15-ebook.c
@@ -26,8 +26,6 @@
 #define XO15_EBOOK_HID			"XO15EBK"
 #define XO15_EBOOK_DEVICE_NAME		"EBook Switch"
 
-ACPI_MODULE_NAME(MODULE_NAME);
-
 MODULE_DESCRIPTION("OLPC XO-1.5 ebook switch driver");
 MODULE_LICENSE("GPL");
 
@@ -66,8 +64,8 @@ static void ebook_switch_notify(struct a
 		ebook_send_state(device);
 		break;
 	default:
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-				  "Unsupported event [0x%x]\n", event));
+		acpi_handle_debug(device->handle,
+				  "Unsupported event [0x%x]\n", event);
 		break;
 	}
 }
Index: linux-pm/drivers/platform/x86/acer-wmi.c
===================================================================
--- linux-pm.orig/drivers/platform/x86/acer-wmi.c
+++ linux-pm/drivers/platform/x86/acer-wmi.c
@@ -30,7 +30,6 @@
 #include <linux/input/sparse-keymap.h>
 #include <acpi/video.h>
 
-ACPI_MODULE_NAME(KBUILD_MODNAME);
 MODULE_AUTHOR("Carlos Corbacho");
 MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver");
 MODULE_LICENSE("GPL");
@@ -1605,7 +1604,8 @@ static void acer_kbd_dock_get_initial_st
 
 	status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input_buf, &output_buf);
 	if (ACPI_FAILURE(status)) {
-		ACPI_EXCEPTION((AE_INFO, status, "Error getting keyboard-dock initial status"));
+		pr_warn("Error getting keyboard-dock initial status: %s\n",
+			acpi_format_exception(status));
 		return;
 	}
 
Index: linux-pm/drivers/platform/surface/surfacepro3_button.c
===================================================================
--- linux-pm.orig/drivers/platform/surface/surfacepro3_button.c
+++ linux-pm/drivers/platform/surface/surfacepro3_button.c
@@ -40,8 +40,6 @@ static const guid_t MSHW0040_DSM_UUID =
 #define SURFACE_BUTTON_NOTIFY_PRESS_VOLUME_DOWN		0xc2
 #define SURFACE_BUTTON_NOTIFY_RELEASE_VOLUME_DOWN	0xc3
 
-ACPI_MODULE_NAME("surface pro 3 button");
-
 MODULE_AUTHOR("Chen Yu");
 MODULE_DESCRIPTION("Surface Pro3 Button Driver");
 MODULE_LICENSE("GPL v2");
Index: linux-pm/drivers/platform/x86/wmi.c
===================================================================
--- linux-pm.orig/drivers/platform/x86/wmi.c
+++ linux-pm/drivers/platform/x86/wmi.c
@@ -32,7 +32,6 @@
 #include <linux/fs.h>
 #include <uapi/linux/wmi.h>
 
-ACPI_MODULE_NAME("wmi");
 MODULE_AUTHOR("Carlos Corbacho");
 MODULE_DESCRIPTION("ACPI-WMI Mapping Driver");
 MODULE_LICENSE("GPL");






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