RE: [PATCH 1/2] drivers: watchdog: at91sam9_wdt: add new feature support

2015-07-28 Thread Yang, Wenyou
gt; boris.brezillon@free- electrons.com; devicetree@vger.kernel.org; > >> linux-ker...@vger.kernel.org; linux- watch...@vger.kernel.org; > >> linux-arm-ker...@lists.infradead.org > >> Subject: Re: [PATCH 1/2] drivers: watchdog: at91sam9_wdt: add new > >> feature s

Re: [PATCH 1/2] drivers: watchdog: at91sam9_wdt: add new feature support

2015-07-28 Thread Guenter Roeck
: watchdog: at91sam9_wdt: add new feature support On 07/28/2015 12:00 AM, Wenyou Yang wrote: In the datasheet, the new feature is describled as "WDT_MR can be written until a LOCKMR command is issued in WDT_CR". That is to say, as long as the bootstrap and u-boot don't issue a LOCKMR comm

RE: [PATCH 1/2] drivers: watchdog: at91sam9_wdt: add new feature support

2015-07-28 Thread Yang, Wenyou
lion.org.uk; ga...@codeaurora.org > Cc: sylvain.roc...@finsecur.com; Ferre, Nicolas; boris.brezillon@free- > electrons.com; devicetree@vger.kernel.org; linux-ker...@vger.kernel.org; > linux- > watch...@vger.kernel.org; linux-arm-ker...@lists.infradead.org > Subject: Re: [PATCH 1/2] drivers: w

Re: [PATCH 1/2] drivers: watchdog: at91sam9_wdt: add new feature support

2015-07-28 Thread Guenter Roeck
On 07/28/2015 12:00 AM, Wenyou Yang wrote: In the datasheet, the new feature is describled as "WDT_MR can be written until a LOCKMR command is issued in WDT_CR". That is to say, as long as the bootstrap and u-boot don't issue a LOCKMR command, WDT_MR can be written in kernel. So the driver can e