Re: [PATCH 05/13] cpufreq/arch: powerpc: pasemi: Move prototypes to shared header

From: Olof Johansson
Date: Tue Jul 14 2020 - 23:49:38 EST


On Tue, Jul 14, 2020 at 8:07 PM Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:
>
> On 14-07-20, 15:50, Lee Jones wrote:
> > If function callers and providers do not share the same prototypes the
> > compiler complains of missing prototypes. Fix this by moving the
> > already existing prototypes out to a mutually convenient location.
> >
> > Fixes the following W=1 kernel build warning(s):
> >
> > drivers/cpufreq/pasemi-cpufreq.c:109:5: warning: no previous prototype for âcheck_astateâ [-Wmissing-prototypes]
> > 109 | int check_astate(void)
> > | ^~~~~~~~~~~~
> > drivers/cpufreq/pasemi-cpufreq.c:114:6: warning: no previous prototype for ârestore_astateâ [-Wmissing-prototypes]
> > 114 | void restore_astate(int cpu)
> > | ^~~~~~~~~~~~~~
> >
> > Cc: Olof Johansson <olof@xxxxxxxxx>
> > Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
> > Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
> > Cc: Paul Mackerras <paulus@xxxxxxxxx>
> > Cc: linuxppc-dev@xxxxxxxxxxxxxxxx
> > Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
> > ---
> > arch/powerpc/platforms/pasemi/pasemi.h | 15 ------------
>
> Is there no sane way we can include this file directly to the cpufreq
> file ?

Yep. arch/powerpc seems to be in the search path for modules on powerpc, so:

diff --git a/drivers/cpufreq/pasemi-cpufreq.c b/drivers/cpufreq/pasemi-cpufreq.c
index c66f566a854cb..815645170c4de 100644
--- a/drivers/cpufreq/pasemi-cpufreq.c
+++ b/drivers/cpufreq/pasemi-cpufreq.c
@@ -22,6 +22,8 @@
#include <asm/time.h>
#include <asm/smp.h>

+#include <platforms/pasemi/pasemi.h>
+
#define SDCASR_REG 0x0100
#define SDCASR_REG_STRIDE 0x1000
#define SDCPWR_CFGA0_REG 0x0100


-Olof