Re: [2.6 patch] drivers/serial/8250_acpi.c: fix a warning

[Adrian Bunk <bunk@stusta.de>]

On Fri, Apr 15, 2005 at 08:10:54PM +0400, Alexey Dobriyan wrote:
> On Fri, 15 Apr 2005 17:10:53 +0200, Adrian Bunk wrote:
> 
> > This patch fixes the following warning:
> 
> >   CC      drivers/serial/8250_acpi.o
> > drivers/serial/8250_acpi.c: In function `acpi_serial_ext_irq':
> > drivers/serial/8250_acpi.c:51: warning: implicit declaration of function `acpi_register_gsi'
> 
> > --- linux-2.6.12-rc2-mm1-full/drivers/serial/8250_acpi.c.old
> > +++ linux-2.6.12-rc2-mm1-full/drivers/serial/8250_acpi.c
> 
> > +#include <linux/config.h>
> 
> drivers/serial/8250_acpi.c doesn't use CONFIG_ symbols.

8250_acpi.c #include's <acpi/acpi_bus.h> which requires config.h .

In the Linux kernel, it's more common to put such header dependencies 
for header files into the C files, but if the ACPI people agree a patch 
to add the #include <linux/config.h> to acpi_bus.h is the other possble 
correct solution for this issue.

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

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