From: Shawn Guo <shawnguo@kernel.org>
To: Anson Huang <Anson.Huang@nxp.com>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, fabio.estevam@nxp.com,
linux@armlinux.org.uk, kernel@pengutronix.de,
l.stach@pengutronix.de
Subject: Re: [PATCH V2] ARM: imx: add cpuidle support for i.mx6ul
Date: Mon, 29 Aug 2016 22:41:18 +0800 [thread overview]
Message-ID: <20160829144118.GW30790@tiger> (raw)
In-Reply-To: <1472485272-17036-1-git-send-email-Anson.Huang@nxp.com>
On Mon, Aug 29, 2016 at 11:41:12PM +0800, Anson Huang wrote:
> This patch enables cpuidle driver for i.MX6UL, it
> reuses i.MX6SX's cpuidle driver, 3 levels of cpuidle
> supported:
>
> 1. ARM WFI;
> 2. SOC in WAIT mode;
> 3. SOC in WAIT mode + ARM power off.
>
> As i.MX6UL has cortex-A7 CORE with an internal L2
> cache, so flushing it before powering down ARM platform
> is necessary, flush_cache_all() in last step of cpu_suspend
> has very small overhead, just call it to avoid cache
> type check for different platforms.
>
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Applied, thanks.
prev parent reply other threads:[~2016-08-29 14:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-29 15:41 [PATCH V2] ARM: imx: add cpuidle support for i.mx6ul Anson Huang
2016-08-29 14:41 ` Shawn Guo [this message]
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