On Mon, Jan 06, 2014 at 12:33:57AM +0100, Rafael J. Wysocki wrote:
> On Tuesday, December 17, 2013 03:06:54 PM Rashika Kheria wrote:
> > Include header file internal.h in debugfs.c and change the return
> > value's type in header file internal.h.
> >
> > This eliminates the following warning in debugfs.c:
> > drivers/acpi/debugfs.c:16:13: warning: no previous prototype for ‘acpi_debugfs_init’ [-Wmissing-prototypes]
> >
> > Signed-off-by: Rashika Kheria <rashika.kheria@xxxxxxxxx>
> > Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
> > ---
> > drivers/acpi/debugfs.c | 3 +++
> > drivers/acpi/internal.h | 2 +-
> > 2 files changed, 4 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/acpi/debugfs.c b/drivers/acpi/debugfs.c
> > index b55d6a2..96bcaf7 100644
> > --- a/drivers/acpi/debugfs.c
> > +++ b/drivers/acpi/debugfs.c
> > @@ -6,6 +6,7 @@
> > #include <linux/init.h>
> > #include <linux/debugfs.h>
> > #include <acpi/acpi_drivers.h>
> > +#include "internal.h"
> >
> > #define _COMPONENT ACPI_SYSTEM_COMPONENT
> > ACPI_MODULE_NAME("debugfs");
> > @@ -13,7 +14,9 @@ ACPI_MODULE_NAME("debugfs");
> > struct dentry *acpi_debugfs_dir;
> > EXPORT_SYMBOL_GPL(acpi_debugfs_dir);
> >
> > +#ifdef CONFIG_DEBUG_FS
> > void __init acpi_debugfs_init(void)
> > {
> > acpi_debugfs_dir = debugfs_create_dir("acpi", NULL);
> > }
> > +#endif
>
> What about avoiding to build the entire debugfs.c for CONFIG_DEBUG_FS unset?
>
> That surely would make sense?
It exports the symbol acpi_debugfs_dir, which is used unconditionally.
- Josh Triplett
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