linux-kernel - Re: [PATCH V2 07/63] clocksource/drivers/cadence_ttc: Convert init function to return error

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Message-ID: <20160616214346.GN19175@xsjsorenbubuntu>
Date:	Thu, 16 Jun 2016 14:43:46 -0700
From:	Sören Brinkmann <soren.brinkmann@...inx.com>
To:	Daniel Lezcano <daniel.lezcano@...aro.org>
CC:	<tglx@...utronix.de>, <linux-kernel@...r.kernel.org>,
	Michal Simek <michal.simek@...inx.com>,
	"moderated list:ARM/ZYNQ ARCHITEC..." 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH V2 07/63] clocksource/drivers/cadence_ttc: Convert init
 function to return error

On Thu, 2016-06-16 at 23:26:26 +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.lezcano@...aro.org>
Acked-by: Sören Brinkmann <soren.brinkmann@...inx.com>

	Sören