linux-kernel - Re: [PATCH v2 1/5] ACPI: AC: Clean up printing messages

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Date:   Wed, 03 Feb 2021 19:27:20 +0100
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Hanjun Guo <guohanjun@...wei.com>
Cc:     Linux ACPI <linux-acpi@...r.kernel.org>,
        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>,
        Hans de Goede <hdegoede@...hat.com>,
        Erik Kaneda <erik.kaneda@...el.com>,
        Joe Perches <joe@...ches.com>
Subject: Re: [PATCH v2 1/5] ACPI: AC: Clean up printing messages

On Wednesday, February 3, 2021 2:31:08 AM CET Hanjun Guo wrote:
> Hi Rafael,
> 
> On 2021/2/3 2:14, Rafael J. Wysocki wrote:
> > From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> > 
> > Replace the ACPI_DEBUG_PRINT() and ACPI_EXCEPTION() instances
> > in ac.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 more adequate.
> > 
> > Drop the _COMPONENT and ACPI_MODULE_NAME() definitions that are not
> > used any more, drop the no longer needed ACPI_AC_COMPONENT definition
> > from the headers and update the documentation accordingly.
> > 
> > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> > ---
> > 
> > v1 -> v2: Changelog update
> > 
> > ---
> >   Documentation/firmware-guide/acpi/debug.rst |    1 -
> >   drivers/acpi/ac.c                           |   12 +++++-------
> >   drivers/acpi/sysfs.c                        |    1 -
> >   include/acpi/acpi_drivers.h                 |    1 -
> >   4 files changed, 5 insertions(+), 10 deletions(-)
> > 
> > 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_AC_COMPONENT               0x00020000
> >       ACPI_BATTERY_COMPONENT          0x00040000
> >       ACPI_BUTTON_COMPONENT           0x00080000
> >       ACPI_SBS_COMPONENT              0x00100000
> > Index: linux-pm/drivers/acpi/ac.c
> > ===================================================================
> > --- linux-pm.orig/drivers/acpi/ac.c
> > +++ linux-pm/drivers/acpi/ac.c
> 
> In this file, printk() is still using, how about convert them
> all into pr_*? I think patch on top your or update this patch
> are both OK.

Good idea.

Thanks for all of the comments.  They will be addressed in the v3 that will be
posted shortly.