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Message-ID: <16884c35-811a-b095-27f2-f43394f3efc2@redhat.com>
Date: Thu, 4 Feb 2021 19:31:41 +0100
From: Hans de Goede <hdegoede@...hat.com>
To: "Rafael J. Wysocki" <rjw@...ysocki.net>,
Linux ACPI <linux-acpi@...r.kernel.org>
Cc: Linux PM <linux-pm@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>,
"Rafael J. Wysocki" <rafael@...nel.org>,
Zhang Rui <rui.zhang@...el.com>,
Erik Kaneda <erik.kaneda@...el.com>,
Joe Perches <joe@...ches.com>,
Hanjun Guo <guohanjun@...wei.com>
Subject: Re: [PATCH v3 2/5] ACPI: battery: Clean up printing messages
Hi,
On 2/4/21 7:27 PM, Hans de Goede wrote:
> Hi,
>
> On 2/3/21 7:44 PM, Rafael J. Wysocki wrote:
>> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
>>
>> Replace the ACPI_DEBUG_PRINT() and ACPI_EXCEPTION() instances
>> in battery.c with acpi_handle_debug() and acpi_handle_info() calls,
>> respectively, which among other things causes the excessive log
>> level of the messages previously printed via ACPI_EXCEPTION() to
>> be increased.
>>
>> Drop the _COMPONENT and ACPI_MODULE_NAME() definitions that are not
>> used any more, drop the no longer needed ACPI_BATTERY_COMPONENT
>> definition from the headers and update the documentation accordingly.
>>
>> While at it, update the pr_fmt() definition and drop the unneeded
>> PREFIX sybmbol definition from battery.c. Also adapt the existing
>> pr_info() calls to the new pr_fmt() definition.
>>
>> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
>> ---
>>
>> v2 -> v3: Also adapt the existing pr_info() calls to the new pr_fmt()
>> definition.
>>
>> v1 -> v2: Changelog update.
>>
>> ---
>> Documentation/firmware-guide/acpi/debug.rst | 1
>> drivers/acpi/battery.c | 33 +++++++++++++---------------
>> drivers/acpi/sysfs.c | 1
>> include/acpi/acpi_drivers.h | 1
>> 4 files changed, 16 insertions(+), 20 deletions(-)
>>
>> Index: linux-pm/drivers/acpi/battery.c
>> ===================================================================
>> --- linux-pm.orig/drivers/acpi/battery.c
>> +++ linux-pm/drivers/acpi/battery.c
>> @@ -8,7 +8,7 @@
>> * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@...el.com>
>> */
>>
>> -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
>> +#define pr_fmt(fmt) "ACPI: battery: " fmt
>>
>> #include <linux/async.h>
>> #include <linux/delay.h>
>> @@ -29,8 +29,6 @@
>>
>> #include <acpi/battery.h>
>>
>> -#define PREFIX "ACPI: "
>> -
>> #define ACPI_BATTERY_VALUE_UNKNOWN 0xFFFFFFFF
>> #define ACPI_BATTERY_CAPACITY_VALID(capacity) \
>> ((capacity) != 0 && (capacity) != ACPI_BATTERY_VALUE_UNKNOWN)
>> @@ -44,10 +42,6 @@
>> #define ACPI_BATTERY_STATE_CHARGING 0x2
>> #define ACPI_BATTERY_STATE_CRITICAL 0x4
>>
>> -#define _COMPONENT ACPI_BATTERY_COMPONENT
>> -
>> -ACPI_MODULE_NAME("battery");
>> -
>> MODULE_AUTHOR("Paul Diefenbaugh");
>> MODULE_AUTHOR("Alexey Starikovskiy <astarikovskiy@...e.de>");
>> MODULE_DESCRIPTION("ACPI Battery Driver");
>> @@ -466,7 +460,8 @@ static int extract_package(struct acpi_b
>> static int acpi_battery_get_status(struct acpi_battery *battery)
>> {
>> if (acpi_bus_get_status(battery->device)) {
>> - ACPI_EXCEPTION((AE_INFO, AE_ERROR, "Evaluating _STA"));
>> + acpi_handle_info(battery->device->handle,
>> + "_STA evaluation failed\n");
>
> Missing ": %s", acpi_format_exception(status), or is that intentional
> (I did not see this mentioned in the commit msg) ?
Ah, after noticing that you did the same thing in patch 4/5 and there
the passed in status was bogus, I now notice that the status here
was hard-coded to AE_ERROR, so not meaningful.
That answers my own question, so this is:
Reviewed-by: Hans de Goede <hdegoede@...hat.com>
As is.
Regards,
Hans
>> return -ENODEV;
>> }
>> return 0;
>> @@ -535,8 +530,10 @@ static int acpi_battery_get_info(struct
>> mutex_unlock(&battery->lock);
>>
>> if (ACPI_FAILURE(status)) {
>> - ACPI_EXCEPTION((AE_INFO, status, "Evaluating %s",
>> - use_bix ? "_BIX":"_BIF"));
>> + acpi_handle_info(battery->device->handle,
>> + "%s evaluation failed: %s\n",
>> + use_bix ?"_BIX":"_BIF",
>> + acpi_format_exception(status));
>> } else {
>> result = extract_battery_info(use_bix,
>> battery,
>> @@ -573,7 +570,9 @@ static int acpi_battery_get_state(struct
>> mutex_unlock(&battery->lock);
>>
>> if (ACPI_FAILURE(status)) {
>> - ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BST"));
>> + acpi_handle_info(battery->device->handle,
>> + "_BST evaluation failed: %s",
>> + acpi_format_exception(status));
>> return -ENODEV;
>> }
>>
>> @@ -590,7 +589,7 @@ static int acpi_battery_get_state(struct
>> battery->rate_now != ACPI_BATTERY_VALUE_UNKNOWN &&
>> (s16)(battery->rate_now) < 0) {
>> battery->rate_now = abs((s16)battery->rate_now);
>> - pr_warn_once(FW_BUG "battery: (dis)charge rate invalid.\n");
>> + pr_warn_once(FW_BUG "(dis)charge rate invalid.\n");
>> }
>>
>> if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags)
>> @@ -625,7 +624,9 @@ static int acpi_battery_set_alarm(struct
>> if (ACPI_FAILURE(status))
>> return -ENODEV;
>>
>> - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Alarm set to %d\n", battery->alarm));
>> + acpi_handle_debug(battery->device->handle, "Alarm set to %d\n",
>> + battery->alarm);
>> +
>> return 0;
>> }
>>
>> @@ -1201,8 +1202,7 @@ static int acpi_battery_add(struct acpi_
>> if (result)
>> goto fail;
>>
>> - pr_info(PREFIX "%s Slot [%s] (battery %s)\n",
>> - ACPI_BATTERY_DEVICE_NAME, acpi_device_bid(device),
>> + pr_info("Slot [%s] (battery %s)\n", acpi_device_bid(device),
>> device->status.battery_present ? "present" : "absent");
>>
>> battery->pm_nb.notifier_call = battery_notify;
>> @@ -1282,8 +1282,7 @@ static void __init acpi_battery_init_asy
>> if (battery_check_pmic) {
>> for (i = 0; i < ARRAY_SIZE(acpi_battery_blacklist); i++)
>> if (acpi_dev_present(acpi_battery_blacklist[i], "1", -1)) {
>> - pr_info(PREFIX ACPI_BATTERY_DEVICE_NAME
>> - ": found native %s PMIC, not loading\n",
>> + pr_info("found native %s PMIC, not loading\n",
>> acpi_battery_blacklist[i]);
>> return;
>> }
>> Index: linux-pm/Documentation/firmware-guide/acpi/debug.rst
>> ===================================================================
>> --- linux-pm.orig/Documentation/firmware-guide/acpi/debug.rst
>> +++ linux-pm/Documentation/firmware-guide/acpi/debug.rst
>> @@ -52,7 +52,6 @@ shows the supported mask values, current
>> ACPI_CA_DISASSEMBLER 0x00000800
>> ACPI_COMPILER 0x00001000
>> ACPI_TOOLS 0x00002000
>> - ACPI_BATTERY_COMPONENT 0x00040000
>> ACPI_BUTTON_COMPONENT 0x00080000
>> ACPI_SBS_COMPONENT 0x00100000
>> ACPI_FAN_COMPONENT 0x00200000
>> Index: linux-pm/drivers/acpi/sysfs.c
>> ===================================================================
>> --- linux-pm.orig/drivers/acpi/sysfs.c
>> +++ linux-pm/drivers/acpi/sysfs.c
>> @@ -52,7 +52,6 @@ static const struct acpi_dlayer acpi_deb
>> ACPI_DEBUG_INIT(ACPI_COMPILER),
>> ACPI_DEBUG_INIT(ACPI_TOOLS),
>>
>> - ACPI_DEBUG_INIT(ACPI_BATTERY_COMPONENT),
>> ACPI_DEBUG_INIT(ACPI_BUTTON_COMPONENT),
>> ACPI_DEBUG_INIT(ACPI_SBS_COMPONENT),
>> ACPI_DEBUG_INIT(ACPI_FAN_COMPONENT),
>> Index: linux-pm/include/acpi/acpi_drivers.h
>> ===================================================================
>> --- linux-pm.orig/include/acpi/acpi_drivers.h
>> +++ linux-pm/include/acpi/acpi_drivers.h
>> @@ -15,7 +15,6 @@
>> * Please update drivers/acpi/debug.c and Documentation/firmware-guide/acpi/debug.rst
>> * if you add to this list.
>> */
>> -#define ACPI_BATTERY_COMPONENT 0x00040000
>> #define ACPI_BUTTON_COMPONENT 0x00080000
>> #define ACPI_SBS_COMPONENT 0x00100000
>> #define ACPI_FAN_COMPONENT 0x00200000
>>
>>
>>
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