RE: [PATCH v3 1/2] drivers: watchdog: add a driver to support SAMA5D4 watchdog timer

2015-08-05 Thread Yang, Wenyou
@codeaurora.org > Cc: sylvain.roc...@finsecur.com; Ferre, Nicolas; boris.brezillon@free- > electrons.com; devicet...@vger.kernel.org; linux-kernel@vger.kernel.org; > linux- > watch...@vger.kernel.org; linux-arm-ker...@lists.infradead.org > Subject: Re: [PATCH v3 1/2] drivers: wat

RE: [PATCH v3 1/2] drivers: watchdog: add a driver to support SAMA5D4 watchdog timer

2015-08-05 Thread Yang, Wenyou
hellion.org.uk; ga...@codeaurora.org; > boris.brezil...@free-electrons.com; linux-watch...@vger.kernel.org; > devicet...@vger.kernel.org; sylvain.roc...@finsecur.com; Ferre, Nicolas; > linux- > ker...@vger.kernel.org; linux-arm-ker...@lists.infradead.org > Subject: Re: [PATCH v3 1/2] drivers:

Re: [PATCH v3 1/2] drivers: watchdog: add a driver to support SAMA5D4 watchdog timer

2015-08-05 Thread Guenter Roeck
On 08/05/2015 01:57 AM, Wenyou Yang wrote: From SAMA5D4, the watchdog timer is upgrated with a new feature, which is describled as in the datasheet, "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

Re: [PATCH v3 1/2] drivers: watchdog: add a driver to support SAMA5D4 watchdog timer

2015-08-05 Thread Lothar Waßmann
Hi, > From SAMA5D4, the watchdog timer is upgrated with a new feature, > which is describled as in the datasheet, "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 more

Re: [PATCH v3 1/2] drivers: watchdog: add a driver to support SAMA5D4 watchdog timer

2015-08-05 Thread Lothar Waßmann
Hi, From SAMA5D4, the watchdog timer is upgrated with a new feature, which is describled as in the datasheet, 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 more than

Re: [PATCH v3 1/2] drivers: watchdog: add a driver to support SAMA5D4 watchdog timer

2015-08-05 Thread Guenter Roeck
On 08/05/2015 01:57 AM, Wenyou Yang wrote: From SAMA5D4, the watchdog timer is upgrated with a new feature, which is describled as in the datasheet, 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

RE: [PATCH v3 1/2] drivers: watchdog: add a driver to support SAMA5D4 watchdog timer

2015-08-05 Thread Yang, Wenyou
...@codeaurora.org; boris.brezil...@free-electrons.com; linux-watch...@vger.kernel.org; devicet...@vger.kernel.org; sylvain.roc...@finsecur.com; Ferre, Nicolas; linux- ker...@vger.kernel.org; linux-arm-ker...@lists.infradead.org Subject: Re: [PATCH v3 1/2] drivers: watchdog: add a driver to support SAMA5D4

RE: [PATCH v3 1/2] drivers: watchdog: add a driver to support SAMA5D4 watchdog timer

2015-08-05 Thread Yang, Wenyou
: sylvain.roc...@finsecur.com; Ferre, Nicolas; boris.brezillon@free- electrons.com; devicet...@vger.kernel.org; linux-kernel@vger.kernel.org; linux- watch...@vger.kernel.org; linux-arm-ker...@lists.infradead.org Subject: Re: [PATCH v3 1/2] drivers: watchdog: add a driver to support SAMA5D4