linux-kernel - Re: [PATCH 2/2] PCI/ACPI: Convert ACPI PCI Hot Plug core debug fuction to dynamic debug function

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Message-ID: <CAErSpo7-KO1C=FKzg1_i-h4Tm4ZNiiL5syPWTc3eJjAgGiUnZg@mail.gmail.com>
Date:	Wed, 25 Sep 2013 11:05:50 -0600
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Lan Tianyu <tianyu.lan@...el.com>
Cc:	Len Brown <lenb@...nel.org>, "Rafael J. Wysocki" <rjw@...k.pl>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] PCI/ACPI: Convert ACPI PCI Hot Plug core debug
 fuction to dynamic debug function

On Wed, Sep 25, 2013 at 7:37 AM, Lan Tianyu <tianyu.lan@...el.com> wrote:
> On 09/25/2013 08:19 AM, Bjorn Helgaas wrote:
>>
>> On Mon, Sep 09, 2013 at 11:17:15PM -0400, tianyu.lan@...el.com wrote:
>>>
>>> From: Lan Tianyu <tianyu.lan@...el.com>
>>>
>>> This patch is to use pr_debug/info/warn/err to replace acpiphp debug
>>> functions and remove module's debug param.
>>> ...
>>
>>
>>>   /* local variables */
>>> @@ -61,9 +60,7 @@ static struct acpiphp_attention_info *attention_info;
>>>   MODULE_AUTHOR(DRIVER_AUTHOR);
>>>   MODULE_DESCRIPTION(DRIVER_DESC);
>>>   MODULE_LICENSE("GPL");
>>> -MODULE_PARM_DESC(debug, "Debugging mode enabled or not");
>>>   MODULE_PARM_DESC(disable, "disable acpiphp driver");
>>> -module_param_named(debug, acpiphp_debug, bool, 0644);
>>
>>
>> I have notes about booting with the "acpiphp.debug" parameter to turn
>> on debugging.  Can you tell me the way to do the equivalent with
>> dynamic debug?  I'll add that to the changelog before merging this.
>
> Hi Bjorn:
>         Sure, the counterparts of dynamic debug are "acpiphp.dyndbg=+p" and
> "acpiphp_ibm.dyndbg=+p" parameters. Thanks to add them.

And turn on CONFIG_DYNAMIC_DEBUG.  I updated the changelogs and
applied both patches to my pci/misc branch for v3.13.  Thanks!

Bjorn
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