Re: [-mm patch] make drivers/misc/thinkpad_acpi:fan_mutex static
From: Henrique de Moraes Holschuh
Date: Sat Apr 28 2007 - 15:58:43 EST
On Sat, 28 Apr 2007, Adrian Bunk wrote:
> On Wed, Apr 25, 2007 at 10:57:16PM -0700, Andrew Morton wrote:
> > Changes since 2.6.21-rc7-mm1:
> > git-acpi.patch
> > git trees
> This patch makes the needlessly global fan_mutex static.
> Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>
Acked-by: Henrique de Moraes Holschuh <hmh@xxxxxxxxxx>
Sorry about the oversight.
> BTW: Prototypes for static versions and static variables in a header
> file are really wrong, but the mess is bigger than what I'm
> willing to clean up...
It is a private header file, only one file uses it and it is not supposed to
be used by any other file ever, either. I can certainly do a cleaning up
and a lot can be removed (at least 70% of it), but the driver is not linear
(it is some infrastructure and various subdrivers) and there is a bunch of
stuff that will need forward declarations regardless.
Maybe I should just break the driver into multiple files in a subdirectory?
That would certainly make it *much* cleaner...
> --- linux-2.6.21-rc7-mm2/drivers/misc/thinkpad_acpi.h.old 2007-04-27 00:55:58.000000000 +0200
> +++ linux-2.6.21-rc7-mm2/drivers/misc/thinkpad_acpi.h 2007-04-28 01:32:54.000000000 +0200
> @@ -382,7 +382,7 @@
> static u8 fan_control_desired_level;
> static int fan_watchdog_maxinterval;
> -struct mutex fan_mutex;
> +static struct mutex fan_mutex;
> static acpi_handle fans_handle, gfan_handle, sfan_handle;
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