linux-kernel - Re: [PATCH] watchdog: at91sam9: keep watchdog running in idle mode

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Message-ID: <20161016153316.rsrcgnki6kn7gola@finsecur.com>
Date:   Sun, 16 Oct 2016 17:33:16 +0200
From:   Sylvain Rochet <sylvain.rochet@...secur.com>
To:     Guenter Roeck <linux@...ck-us.net>,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
        Boris BREZILLON <boris.brezillon@...e-electrons.com>,
        linux-kernel@...r.kernel.org,
        Nicolas Ferre <nicolas.ferre@...el.com>,
        Ludovic Desroches <ludovic.desroches@...el.com>,
        linux-arm-kernel@...ts.infradead.org
Cc:     stable@...r.kernel.org
Subject: Re: [PATCH] watchdog: at91sam9: keep watchdog running in idle mode

Hi,

On Wed, Oct 07, 2015 at 01:01:12PM +0200, Alexandre Belloni wrote:
> On 06/10/2015 at 22:28:45 +0200, Sylvain Rochet wrote :
> > Since turning on idle-halt in commit 5161b31dc39a (watchdog:
> > at91sam9_wdt: better watchdog support"), SoCs compatible with
> > at91sam9260-wdt not using a device tree no longer reboot if the watchdog
> > times out while the CPU is in idle state. Removing the
> > AT91_WDT_WDIDLEHLT flag that was set by default fixes this.
> > 
> > Signed-off-by: Sylvain Rochet <sylvain.rochet@...secur.com>
> > Fixes: 5161b31dc39a ("watchdog: at91sam9_wdt: better watchdog support")
> > Cc: <stable@...r.kernel.org> # 3.14+
> 
> Acked-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
> 
> However, we don't really care about that for kernels after 3.18 as no
> users are using pdata anymore.
> I think you could send a follow-up patch removing pdata support
> completely.

Looks like this one falls through the cracks, it didn't reach mainline 
and therefore wasn't applied to stable branches.

I just checked, it still apply properly on today's linux-next branch.

Cheers,
Sylvain