From: sre@kernel.org (Sebastian Reichel)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 4/9] power: reset: Add AT91RM9200 reset driver
Date: Wed, 4 Mar 2015 18:17:58 +0100 [thread overview]
Message-ID: <20150304171758.GA8717@earth> (raw)
In-Reply-To: <1425478897-27322-5-git-send-email-alexandre.belloni@free-electrons.com>
Hi,
On Wed, Mar 04, 2015 at 03:21:32PM +0100, Alexandre Belloni wrote:
> AT91RM9200 uses the watchdog from the system timer to reset.
> [...]
> + regmap_write(regmap_st, AT91_ST_WDMR,
> + AT91_ST_RSTEN | AT91_ST_EXTEN | 1);
> + regmap_write(regmap_st, AT91_ST_CR, AT91_ST_WDRST);
> +
> + mdelay(2000);
At pity that you have to write into two registers, otherwise you
could have used the syscon-reboot driver.
> [...]
> +module_platform_driver(at91rm9200_reset_driver);
Apart from missing module metadata (MODULE_AUTHOR(),
MODULE_LICENSE(), ...) the driver looks fine to me.
-- Sebastian
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next prev parent reply other threads:[~2015-03-04 17:17 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-04 14:21 [PATCH v3 0/9] Atmel System Timer cleanups Alexandre Belloni
2015-03-04 14:21 ` [PATCH v3 1/9] ARM: at91/dt: declare atmel,at91rm9200-st as a syscon Alexandre Belloni
2015-03-04 14:21 ` [PATCH v3 2/9] mfd: syscon: Add atmel system timer registers definition Alexandre Belloni
2015-03-04 15:44 ` Lee Jones
2015-03-04 14:21 ` [PATCH v3 3/9] watchdog: at91rm9200: use the system timer syscon Alexandre Belloni
2015-03-04 14:51 ` Guenter Roeck
2015-03-04 15:08 ` Alexandre Belloni
2015-03-04 17:48 ` Guenter Roeck
2015-03-04 14:21 ` [PATCH v3 4/9] power: reset: Add AT91RM9200 reset driver Alexandre Belloni
2015-03-04 17:17 ` Sebastian Reichel [this message]
2015-03-05 15:09 ` Alexandre Belloni
2015-03-04 14:21 ` [PATCH v3 5/9] ARM: at91: at91rm9200: remove deprecated arm_pm_restart Alexandre Belloni
2015-03-04 14:21 ` [PATCH v3 6/9] ARM: at91: time: move the system timer driver to drivers/clocksource Alexandre Belloni
2015-03-04 14:21 ` [PATCH v3 7/9] clocksource: atmel-st: properly initialize driver Alexandre Belloni
2015-03-04 14:21 ` [PATCH v3 8/9] clocksource: atmel-st: use syscon/regmap Alexandre Belloni
2015-03-04 14:21 ` [PATCH v3 9/9] ARM: at91: remove useless include Alexandre Belloni
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