linux-kernel - Re: [2.6 patch] acpi/battery.c: make 2 functions static

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Date:	Sat, 01 Mar 2008 21:42:59 +0300
From:	Alexey Starikovskiy <aystarik@...il.com>
To:	Adrian Bunk <bunk@...nel.org>
CC:	lenb@...nel.org, astarikovskiy@...e.de, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [2.6 patch] acpi/battery.c: make 2 functions static

Adrian Bunk wrote:
> On Sat, Mar 01, 2008 at 09:26:41PM +0300, Alexey Starikovskiy wrote:
>   
>> May I keep them inline?
>>     
>
> The problem with such manual inlines is that we force gcc to always 
> inline them - and history has shown that functions grow without the 
> "inline" being removed.
>
>   
> And for static functions gcc should (at least in theory) know best when 
> to inline them.
>
>   
Right. Acked-by: Alexey Starikovskiy <astarikovskiy@...e.de>

As I understand, you have some automation tools for finding out these
non-static functions, etc; are they available somewhere?

Regards,
Alex.
>> Thanks,
>> Alex.
>> Adrian Bunk wrote:
>>     
>>> This patch makes the following functions static instead of global inline:
>>> - acpi_battery_present()
>>> - acpi_battery_units()
>>>
>>> Signed-off-by: Adrian Bunk <bunk@...nel.org>
>>>
>>> ---
>>>
>>>  drivers/acpi/battery.c |    4 ++--
>>>  1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> 9cfc2b0a3162d8e2f23537faefb6937c97513f38 foobar
>>> diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
>>> index f6215e8..d941c5a 100644
>>> --- a/drivers/acpi/battery.c
>>> +++ b/drivers/acpi/battery.c
>>> @@ -116,7 +116,7 @@ struct acpi_battery {
>>>   #define to_acpi_battery(x) container_of(x, struct acpi_battery, bat);
>>>  -inline int acpi_battery_present(struct acpi_battery *battery)
>>> +static int acpi_battery_present(struct acpi_battery *battery)
>>>  {
>>>  	return battery->device->status.battery_present;
>>>  }
>>> @@ -235,7 +235,7 @@ static enum power_supply_property energy_battery_props[] = {
>>>  #endif
>>>   #ifdef CONFIG_ACPI_PROCFS_POWER
>>> -inline char *acpi_battery_units(struct acpi_battery *battery)
>>> +static char *acpi_battery_units(struct acpi_battery *battery)
>>>  {
>>>  	return (battery->power_unit)?"mA":"mW";
>>>  }
>>>       
>
> cu
> Adrian
>
>   

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