Re: [PATCH] thermal: ti-soc-thermal: fix compilation warnings when !CONFIG_PM_SLEEP

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On 00:17-20150207, Paul Walmsley wrote:
> 
> When CONFIG_PM_SLEEP=n, the following compilation warnings appear:
> 
> drivers/thermal/ti-soc-thermal/ti-bandgap.c:1478:12: warning: ‘ti_bandgap_suspend’ defined but not used [-Wunused-function]
>  static int ti_bandgap_suspend(struct device *dev)
>             ^
> drivers/thermal/ti-soc-thermal/ti-bandgap.c:1492:12: warning: ‘ti_bandgap_resume’ defined but not used [-Wunused-function]
>  static int ti_bandgap_resume(struct device *dev)
> 
> A few years ago, suspend/resume-related code was protected by CONFIG_PM.  
> But that was changed and now it's protected by CONFIG_PM_SLEEP.  Fix the 
> warnings by converting the preprocessor test in the TI bandgap thermal 
> sensor driver from testing CONFIG_PM to testing CONFIG_PM_SLEEP.
> 
> Signed-off-by: Paul Walmsley <paul@xxxxxxxxx>
> Cc: Eduardo Valentin <edubezval@xxxxxxxxx>
> Cc: Zhang Rui <rui.zhang@xxxxxxxxx>
> Cc: linux-pm@xxxxxxxxxxxxxxx
> Cc: linux-omap@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> ---
> 
> Non-critical.  Targeted for either v3.20-rc1 or v3.21-rc1.
> 
> Basic test reports for a series that includes this patch (and a few other 
> unrelated warning cleanups) is available here:
> 
> http://www.pwsan.com/omap/testlogs/fix-omap-warnings-v3.21/20150206154619/
> 
> Compare to:
> 
> http://www.pwsan.com/omap/testlogs/test_v3.19-rc7/20150204213018/
> 
>  drivers/thermal/ti-soc-thermal/ti-bandgap.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.c b/drivers/thermal/ti-soc-thermal/ti-bandgap.c
> index 634b6ce0e63a..62a5d449c388 100644
> --- a/drivers/thermal/ti-soc-thermal/ti-bandgap.c
> +++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.c
> @@ -1402,7 +1402,7 @@ int ti_bandgap_remove(struct platform_device *pdev)
>  	return 0;
>  }
>  
> -#ifdef CONFIG_PM
> +#ifdef CONFIG_PM_SLEEP
>  static int ti_bandgap_save_ctxt(struct ti_bandgap *bgp)
>  {
>  	int i;
> -- 
> 2.1.4


I am a little confused:
https://patchwork.kernel.org/patch/5792411/ was already posted. would
you suggest improvements?

-- 
Regards,
Nishanth Menon
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