From: Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>
To: Shubhrajyoti Datta
<omaplinuxkernel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Baruch Siach <baruch-NswTu9S1W3P6gbPvEgmw2w@public.gmane.org>
Cc: Wim Van Sebroeck <wim-IQzOog9fTRqzQB+pC5nmwQ@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
"linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: [PATCH v2 2/2] watchdog: digicolor: driver for Conexant Digicolor CX92755 SoC
Date: Thu, 26 Mar 2015 22:48:21 -0700 [thread overview]
Message-ID: <5514EF25.4000400@roeck-us.net> (raw)
In-Reply-To: <CAM=Q2ctS6_=pzW2H+Yd3nEBgF269vfdh8yV3NbnWFP7b-MWLbA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On 03/26/2015 10:40 PM, Shubhrajyoti Datta wrote:
>
> +
> +static int dc_restart_handler(struct notifier_block *this, unsigned long mode,
> + void *cmd)
> +{
> + struct dc_wdt *wdt = container_of(this, struct dc_wdt, restart_handler);
> +
> + dc_wdt_set(wdt, 1);
> + /* wait for reset to assert... */
> + mdelay(500);
>
>
> How is the 500 calculated ?
> Also is it possible to sleep here?
>
sleep: No. It would also be pretty pointless, since this is after all the very last step
of rebooting the system.
Guenter
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WARNING: multiple messages have this Message-ID (diff)
From: Guenter Roeck <linux@roeck-us.net>
To: Shubhrajyoti Datta <omaplinuxkernel@gmail.com>,
Baruch Siach <baruch@tkos.co.il>
Cc: Wim Van Sebroeck <wim@iguana.be>,
devicetree@vger.kernel.org,
"linux-watchdog@vger.kernel.org" <linux-watchdog@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v2 2/2] watchdog: digicolor: driver for Conexant Digicolor CX92755 SoC
Date: Thu, 26 Mar 2015 22:48:21 -0700 [thread overview]
Message-ID: <5514EF25.4000400@roeck-us.net> (raw)
In-Reply-To: <CAM=Q2ctS6_=pzW2H+Yd3nEBgF269vfdh8yV3NbnWFP7b-MWLbA@mail.gmail.com>
On 03/26/2015 10:40 PM, Shubhrajyoti Datta wrote:
>
> +
> +static int dc_restart_handler(struct notifier_block *this, unsigned long mode,
> + void *cmd)
> +{
> + struct dc_wdt *wdt = container_of(this, struct dc_wdt, restart_handler);
> +
> + dc_wdt_set(wdt, 1);
> + /* wait for reset to assert... */
> + mdelay(500);
>
>
> How is the 500 calculated ?
> Also is it possible to sleep here?
>
sleep: No. It would also be pretty pointless, since this is after all the very last step
of rebooting the system.
Guenter
WARNING: multiple messages have this Message-ID (diff)
From: linux@roeck-us.net (Guenter Roeck)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/2] watchdog: digicolor: driver for Conexant Digicolor CX92755 SoC
Date: Thu, 26 Mar 2015 22:48:21 -0700 [thread overview]
Message-ID: <5514EF25.4000400@roeck-us.net> (raw)
In-Reply-To: <CAM=Q2ctS6_=pzW2H+Yd3nEBgF269vfdh8yV3NbnWFP7b-MWLbA@mail.gmail.com>
On 03/26/2015 10:40 PM, Shubhrajyoti Datta wrote:
>
> +
> +static int dc_restart_handler(struct notifier_block *this, unsigned long mode,
> + void *cmd)
> +{
> + struct dc_wdt *wdt = container_of(this, struct dc_wdt, restart_handler);
> +
> + dc_wdt_set(wdt, 1);
> + /* wait for reset to assert... */
> + mdelay(500);
>
>
> How is the 500 calculated ?
> Also is it possible to sleep here?
>
sleep: No. It would also be pretty pointless, since this is after all the very last step
of rebooting the system.
Guenter
next prev parent reply other threads:[~2015-03-27 5:48 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-26 7:59 [PATCH v2 1/2] watchdog: digicolor: document device tree binding Baruch Siach
2015-03-26 7:59 ` Baruch Siach
2015-03-26 7:59 ` Baruch Siach
[not found] ` <a4554d0a61c62b85a7d66b6e3d16d07f8a498025.1427356791.git.baruch-NswTu9S1W3P6gbPvEgmw2w@public.gmane.org>
2015-03-26 7:59 ` [PATCH v2 2/2] watchdog: digicolor: driver for Conexant Digicolor CX92755 SoC Baruch Siach
2015-03-26 7:59 ` Baruch Siach
2015-03-26 7:59 ` Baruch Siach
[not found] ` <148dd2d6912211bc468c30acf85a463192576039.1427356791.git.baruch-NswTu9S1W3P6gbPvEgmw2w@public.gmane.org>
2015-03-27 5:20 ` Guenter Roeck
2015-03-27 5:20 ` Guenter Roeck
2015-03-27 5:20 ` Guenter Roeck
2015-03-27 5:40 ` Shubhrajyoti Datta
[not found] ` <CAM=Q2ctS6_=pzW2H+Yd3nEBgF269vfdh8yV3NbnWFP7b-MWLbA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-03-27 5:48 ` Guenter Roeck [this message]
2015-03-27 5:48 ` Guenter Roeck
2015-03-27 5:48 ` Guenter Roeck
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