linux-kernel - Re: [Linaro-acpi] [PATCH v4 5/5] ACPI: Replace printk with pr

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Message-ID: <53056429.8030705@linaro.org>
Date:	Thu, 20 Feb 2014 10:10:49 +0800
From:	Hanjun Guo <hanjun.guo@...aro.org>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
CC:	Sudeep Holla <Sudeep.Holla@....com>,
	Lan Tianyu <tianyu.lan@...el.com>,
	"linaro-acpi@...ts.linaro.org" <linaro-acpi@...ts.linaro.org>,
	"patches@...aro.org" <patches@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [Linaro-acpi] [PATCH v4 5/5] ACPI: Replace printk with pr_* in
 tables.c

On 2014年02月20日 08:37, Rafael J. Wysocki wrote:
> On Wednesday, February 19, 2014 04:46:19 PM Sudeep Holla wrote:
>> On 19/02/14 16:49, Rafael J. Wysocki wrote:
>>> On Wednesday, February 19, 2014 04:32:34 PM Sudeep Holla wrote:
>>>> On 18/02/14 13:55, Hanjun Guo wrote:
>>>>> This patch just do some clean up to replace printk with pr_*,
>>>>> no functional change.
>>>>>
>>>> Any particular reason for choosing just this file in this series ?

Yes, the reason is that I will update this file in my next patch set 
(ARM64 ACPI core) with
pr_*, in order to keep  consistency, I updated them all in this file first.

>>>> It seems but off-topic in this series. The printk format is same in almost all
>>>> other acpi files and it's better to change all or none for consistency.
>>> Well, it's fine, I can put it into a different branch in any case. :-)
>>>
>>>>> Signed-off-by: Hanjun Guo <hanjun.guo@...aro.org>
>>>>> ---
>>>>>   drivers/acpi/tables.c |   51 +++++++++++++++++++------------------------------
>>>>>   1 file changed, 20 insertions(+), 31 deletions(-)
>>>>>
>>>>> diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
>>>>> index 5837f85..97bc6df 100644
>>>>> --- a/drivers/acpi/tables.c
>>>>> +++ b/drivers/acpi/tables.c
>>>>> @@ -55,8 +55,7 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
>>>>>   		{
>>>>>   			struct acpi_madt_local_apic *p =
>>>>>   			    (struct acpi_madt_local_apic *)header;
>>>>> -			printk(KERN_INFO PREFIX
>>>>> -			       "LAPIC (acpi_id[0x%02x] lapic_id[0x%02x] %s)\n",
>>>>> +			pr_info(PREFIX "LAPIC (acpi_id[0x%02x] lapic_id[0x%02x] %s)\n",
>>>> You can even get rid of PREFIX by defining pr_fmt instead.
>>> But this is a good point.
>>>
>>>> If the intention is to move to pr_* format it's better to have this as separate
>>>> patch and convert all of them.
>>> Well, not really.  One file at a time is OK too.
>>>
>> No what I meant was to convert all for consistency, not in a single patch.
>> As I was playing with regex for few minutes, with few patterns was able to fix
>> most(not all) of them. It even compiles :) for x86. But turns out to be a big
>> churn :( [43 files changed, 253 insertions(+), 329 deletions(-)]
> Well, precisely.  That's why I'd prefer doing that gradually.
>
> That said I'll just drop the patch for now due to the PREFIX thing.

I will update this patch accordingly and send it out soon.

Thanks
Hanjun
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