[PATCH v1 5/6] ACPI: utils: Clean up printing messages

From: Rafael J. Wysocki
Date: Wed Jan 20 2021 - 14:04:29 EST


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

Replace all of the ACPI_DEBUG_PRINT() instances in utils.c with
pr_debug() and acpi_handle_debug(), drop the _COMPONENT and
ACPI_MODULE_NAME() definitions that are not used any more and
replace direct printk() invocations with pr_debug() calls (the log
level in there is way excessive).

Also add a special pr_fmt() definition, but this only affects the
pr_debug() messages mentioned above.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
---
drivers/acpi/utils.c | 56 ++++++++++++++++-----------------------------------
1 file changed, 18 insertions(+), 38 deletions(-)

Index: linux-pm/drivers/acpi/utils.c
===================================================================
--- linux-pm.orig/drivers/acpi/utils.c
+++ linux-pm/drivers/acpi/utils.c
@@ -6,6 +6,8 @@
* Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@xxxxxxxxx>
*/

+#define pr_fmt(fmt) "ACPI: utils: " fmt
+
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
@@ -18,24 +20,12 @@
#include "internal.h"
#include "sleep.h"

-#define _COMPONENT ACPI_BUS_COMPONENT
-ACPI_MODULE_NAME("utils");
-
/* --------------------------------------------------------------------------
Object Evaluation Helpers
-------------------------------------------------------------------------- */
-static void
-acpi_util_eval_error(acpi_handle h, acpi_string p, acpi_status s)
+static void acpi_util_eval_error(acpi_handle h, acpi_string p, acpi_status s)
{
-#ifdef ACPI_DEBUG_OUTPUT
- char prefix[80] = {'\0'};
- struct acpi_buffer buffer = {sizeof(prefix), prefix};
- acpi_get_name(h, ACPI_FULL_PATHNAME, &buffer);
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Evaluate [%s.%s]: %s\n",
- (char *) prefix, p, acpi_format_exception(s)));
-#else
- return;
-#endif
+ acpi_handle_debug(h, "Evaluate [%s]: %s\n", p, acpi_format_exception(s));
}

acpi_status
@@ -53,25 +43,24 @@ acpi_extract_package(union acpi_object *

if (!package || (package->type != ACPI_TYPE_PACKAGE)
|| (package->package.count < 1)) {
- printk(KERN_WARNING PREFIX "Invalid package argument\n");
+ pr_debug("Invalid package argument\n");
return AE_BAD_PARAMETER;
}

if (!format || !format->pointer || (format->length < 1)) {
- printk(KERN_WARNING PREFIX "Invalid format argument\n");
+ pr_debug("Invalid format argument\n");
return AE_BAD_PARAMETER;
}

if (!buffer) {
- printk(KERN_WARNING PREFIX "Invalid buffer argument\n");
+ pr_debug("Invalid buffer argument\n");
return AE_BAD_PARAMETER;
}

format_count = (format->length / sizeof(char)) - 1;
if (format_count > package->package.count) {
- printk(KERN_WARNING PREFIX "Format specifies more objects [%d]"
- " than exist in package [%d].\n",
- format_count, package->package.count);
+ pr_debug("Format specifies more objects [%d] than present [%d]\n",
+ format_count, package->package.count);
return AE_BAD_DATA;
}

@@ -99,10 +88,8 @@ acpi_extract_package(union acpi_object *
tail_offset += sizeof(char *);
break;
default:
- printk(KERN_WARNING PREFIX "Invalid package element"
- " [%d]: got number, expecting"
- " [%c]\n",
- i, format_string[i]);
+ pr_debug("Invalid package element [%d]: got number, expected [%c]\n",
+ i, format_string[i]);
return AE_BAD_DATA;
}
break;
@@ -123,10 +110,8 @@ acpi_extract_package(union acpi_object *
tail_offset += sizeof(u8 *);
break;
default:
- printk(KERN_WARNING PREFIX "Invalid package element"
- " [%d] got string/buffer,"
- " expecting [%c]\n",
- i, format_string[i]);
+ pr_debug("Invalid package element [%d] got string/buffer, expected [%c]\n",
+ i, format_string[i]);
return AE_BAD_DATA;
}
break;
@@ -137,19 +122,15 @@ acpi_extract_package(union acpi_object *
tail_offset += sizeof(void *);
break;
default:
- printk(KERN_WARNING PREFIX "Invalid package element"
- " [%d] got reference,"
- " expecting [%c]\n",
- i, format_string[i]);
+ pr_debug("Invalid package element [%d] got reference, expected [%c]\n",
+ i, format_string[i]);
return AE_BAD_DATA;
}
break;

case ACPI_TYPE_PACKAGE:
default:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Found unsupported element at index=%d\n",
- i));
+ pr_debug("Unsupported element at index=%d\n", i);
/* TBD: handle nested packages... */
return AE_SUPPORT;
}
@@ -289,7 +270,7 @@ acpi_evaluate_integer(acpi_handle handle

*data = element.integer.value;

- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Return value [%llu]\n", *data));
+ acpi_handle_debug(handle, "Return value [%llu]\n", *data);

return AE_OK;
}
@@ -363,8 +344,7 @@ acpi_evaluate_reference(acpi_handle hand
/* Get the acpi_handle. */

list->handles[i] = element->reference.handle;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found reference [%p]\n",
- list->handles[i]));
+ acpi_handle_debug(list->handles[i], "Found in reference list\n");
}

end: