From: sre@kernel.org (Sebastian Reichel)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/2] power: reset: at91: add sama5d3 reset function
Date: Mon, 20 Jul 2015 18:42:42 +0200 [thread overview]
Message-ID: <20150720164241.GA5930@earth> (raw)
In-Reply-To: <1437384726-24927-1-git-send-email-josh.wu@atmel.com>
Hi,
On Mon, Jul 20, 2015 at 05:32:05PM +0800, Josh Wu wrote:
> This patch introduces a new compatible string: "atmel,sama5d3-rstc" and
> new reset function for sama5d3 and later chips.
>
> As in sama5d3 or later chips, we don't have to shutdown the DDR
> controller before reset. Shutdown the DDR controller before reset is a
> workaround to avoid DDR signal driving the bus, but since sama5d3 and
> later chips there is no such a conflict.
>
> So in this patch:
> 1. the sama5d3 reset function only need to write the rstc register
> and return.
> 2. we can remove the code related with sama5d3 DDR controller as
> we don't use it at all.
>
> Signed-off-by: Josh Wu <josh.wu@atmel.com>
> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
queued.
-- Sebastian
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next prev parent reply other threads:[~2015-07-20 16:42 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-20 9:32 [PATCH v2 1/2] power: reset: at91: add sama5d3 reset function Josh Wu
2015-07-20 9:32 ` [PATCH v2 2/2] ARM: at91: sama5/dt: update rstc to correct compatible string Josh Wu
2015-07-20 9:34 ` Alexandre Belloni
2015-07-20 12:37 ` Nicolas Ferre
2015-07-30 16:45 ` Nicolas Ferre
2015-07-20 9:33 ` [PATCH v2 1/2] power: reset: at91: add sama5d3 reset function Alexandre Belloni
2015-07-20 13:12 ` Guenter Roeck
2015-07-20 16:42 ` Sebastian Reichel [this message]
2015-07-28 7:27 ` Nicolas Ferre
2015-08-05 18:04 ` Sebastian Reichel
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