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Date: Sun, 29 Apr 2007 04:50:08 +0200 From: Adrian Bunk <bunk@...sta.de> To: Henrique de Moraes Holschuh <hmh@....eng.br> Cc: Andrew Morton <akpm@...ux-foundation.org>, lenb@...nel.org, linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org Subject: Re: [-mm patch] make drivers/misc/thinkpad_acpi:fan_mutex static On Sat, Apr 28, 2007 at 04:58:21PM -0300, Henrique de Moraes Holschuh wrote: > On Sat, 28 Apr 2007, Adrian Bunk wrote: >... > > 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. Forward declarations of static functions (if required) and actual variables (like fan_mutex) belong into the C file, not the header. > Maybe I should just break the driver into multiple files in a subdirectory? > That would certainly make it *much* cleaner... But even more in this case, you will not want to have actual variables or prototypes of static functions in the header file. > > --- 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; > > > Henrique Holschuh cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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