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[v2] cpufreq: ppc: Add missing #include <asm/smp.h>

Message ID 1425470180-4650-1-git-send-email-geert+renesas@glider.be (mailing list archive)
State Accepted
Delegated to: Benjamin Herrenschmidt
Headers show

Commit Message

Geert Uytterhoeven March 4, 2015, 11:56 a.m. UTC
If CONFIG_SMP=n, <linux/smp.h> does not include <asm/smp.h>, causing:

drivers/cpufreq/ppc-corenet-cpufreq.c: In function 'corenet_cpufreq_cpu_init':
drivers/cpufreq/ppc-corenet-cpufreq.c:173:3: error: implicit declaration of function 'get_hard_smp_processor_id' [-Werror=implicit-function-declaration]

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
Seen with e.g. corenet64_smp_defconfig + CONFIG_CPU_FREQ=y,
CONFIG_PPC_CORENET_CPUFREQ=y, CONFIG_SMP=n

v2:
  - Add comment for #include directive, as requested by Viresh
---
 drivers/cpufreq/ppc-corenet-cpufreq.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Rafael J. Wysocki March 4, 2015, 2:22 p.m. UTC | #1
On Wednesday, March 04, 2015 12:56:20 PM Geert Uytterhoeven wrote:
> If CONFIG_SMP=n, <linux/smp.h> does not include <asm/smp.h>, causing:
> 
> drivers/cpufreq/ppc-corenet-cpufreq.c: In function 'corenet_cpufreq_cpu_init':
> drivers/cpufreq/ppc-corenet-cpufreq.c:173:3: error: implicit declaration of function 'get_hard_smp_processor_id' [-Werror=implicit-function-declaration]
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> ---
> Seen with e.g. corenet64_smp_defconfig + CONFIG_CPU_FREQ=y,
> CONFIG_PPC_CORENET_CPUFREQ=y, CONFIG_SMP=n
> 
> v2:
>   - Add comment for #include directive, as requested by Viresh

Applied, thanks!

> ---
>  drivers/cpufreq/ppc-corenet-cpufreq.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/cpufreq/ppc-corenet-cpufreq.c b/drivers/cpufreq/ppc-corenet-cpufreq.c
> index bee5df7794d33d10..7cb4b766cf948d3f 100644
> --- a/drivers/cpufreq/ppc-corenet-cpufreq.c
> +++ b/drivers/cpufreq/ppc-corenet-cpufreq.c
> @@ -22,6 +22,8 @@
>  #include <linux/smp.h>
>  #include <sysdev/fsl_soc.h>
>  
> +#include <asm/smp.h>	/* for get_hard_smp_processor_id() in UP configs */
> +
>  /**
>   * struct cpu_data - per CPU data struct
>   * @parent: the parent node of cpu clock
>
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Patch

diff --git a/drivers/cpufreq/ppc-corenet-cpufreq.c b/drivers/cpufreq/ppc-corenet-cpufreq.c
index bee5df7794d33d10..7cb4b766cf948d3f 100644
--- a/drivers/cpufreq/ppc-corenet-cpufreq.c
+++ b/drivers/cpufreq/ppc-corenet-cpufreq.c
@@ -22,6 +22,8 @@ 
 #include <linux/smp.h>
 #include <sysdev/fsl_soc.h>
 
+#include <asm/smp.h>	/* for get_hard_smp_processor_id() in UP configs */
+
 /**
  * struct cpu_data - per CPU data struct
  * @parent: the parent node of cpu clock