On Thu, Jun 16, 2016 at 11:26:44PM +0200, Daniel Lezcano wrote:
> The init functions do not return any error. They behave as the following:
> 
>   - panic, thus leading to a kernel crash while another timer may work and
>        make the system boot up correctly
> 
>   or
> 
>   - print an error and let the caller unaware if the state of the system
> 
> Change that by converting the init functions to return an error conforming
> to the CLOCKSOURCE_OF_RET prototype.
> 
> Proper error handling (rollback, errno value) will be changed later case
> by case, thus this change just return back an error or success in the init
> function.
> 
> Signed-off-by: Daniel Lezcano <daniel.lezc...@linaro.org>
> ---
>  drivers/clocksource/mps2-timer.c | 10 ++++++----
>  drivers/clocksource/mxs_timer.c  |  2 +-
>  2 files changed, 7 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/clocksource/mps2-timer.c 
> b/drivers/clocksource/mps2-timer.c
> index 3d33a5e..c303fa9 100644
> --- a/drivers/clocksource/mps2-timer.c
> +++ b/drivers/clocksource/mps2-timer.c
> @@ -250,7 +250,7 @@ out:
>       return ret;
>  }
>  
> -static void __init mps2_timer_init(struct device_node *np)
> +static int __init mps2_timer_init(struct device_node *np)
>  {
>       static int has_clocksource, has_clockevent;
>       int ret;
> @@ -259,7 +259,7 @@ static void __init mps2_timer_init(struct device_node *np)
>               ret = mps2_clocksource_init(np);
>               if (!ret) {
>                       has_clocksource = 1;
> -                     return;
> +                     return 0;
>               }
>       }
>  
> @@ -267,9 +267,11 @@ static void __init mps2_timer_init(struct device_node 
> *np)
>               ret = mps2_clockevent_init(np);
>               if (!ret) {
>                       has_clockevent = 1;
> -                     return;
> +                     return 0;
>               }
>       }
> +
> +     return 0;
>  }
>  
> -CLOCKSOURCE_OF_DECLARE(mps2_timer, "arm,mps2-timer", mps2_timer_init);
> +CLOCKSOURCE_OF_DECLARE_RET(mps2_timer, "arm,mps2-timer", mps2_timer_init);
> diff --git a/drivers/clocksource/mxs_timer.c b/drivers/clocksource/mxs_timer.c
> index f5ce296..16cf53b 100644
> --- a/drivers/clocksource/mxs_timer.c
> +++ b/drivers/clocksource/mxs_timer.c
> @@ -226,7 +226,7 @@ static int __init mxs_clocksource_init(struct clk 
> *timer_clk)
>       return 0;
>  }
>  
> -static void __init mxs_timer_init(struct device_node *np)
> +static int __init mxs_timer_init(struct device_node *np)
>  {
>       struct clk *timer_clk;
>       int irq;
> -- 
> 1.9.1
> 

This patch needs rework as it is changing (incompletely) two files that have 
different
maintainers.

Best regards,
Liviu

-- 
====================
| I would like to |
| fix the world,  |
| but they're not |
| giving me the   |
 \ source code!  /
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