linux-kernel - Re: [PATCH V2 50/63] clocksource/drivers/timer-u300: Convert init function to return error

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Date:	Fri, 17 Jun 2016 18:11:11 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"moderated list:ARM/U300 MACHINE..." 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH V2 50/63] clocksource/drivers/timer-u300: Convert init
 function to return error

On Thu, Jun 16, 2016 at 11:27 PM, Daniel Lezcano
<daniel.lezcano@...aro.org> 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: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij