From: s.hauer@pengutronix.de (Sascha Hauer)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/3] ARM: mx3: Let mx31 and mx35 enter in LPM mode in WFI
Date: Thu, 26 Jan 2012 13:02:33 +0100 [thread overview]
Message-ID: <20120126120233.GJ5446@pengutronix.de> (raw)
In-Reply-To: <1327084990-25402-3-git-send-email-fabio.estevam@freescale.com>
On Fri, Jan 20, 2012 at 04:43:10PM -0200, Fabio Estevam wrote:
> The LPM field of register CCMR is used to select the mode that the processor will run
> when it goes to WFI.
>
> When mx31 enters in WFI mode the LPM field is at its reset value of 0,
> which configures the mx31 to enter in "wait mode".
>
> On mx35, the LPM field on mx35 is also at 0 after reset, which corresponds
> to "run mode" instead of "wait mode".
>
> Instead of relying on the reset value of LPM to set the low power mode for
> WFI, configure mx31 and mx35 to run in "wait mode"
Do you consider this for -rc?
Sascha
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next prev parent reply other threads:[~2012-01-26 12:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-20 18:43 [PATCH 1/3] ARM: mx3: Remove unneeded ifdef's from mm-imx3.c Fabio Estevam
2012-01-20 18:43 ` [PATCH 2/3] ARM: mx3: Let mx31 and mx35 share the same CCM header file Fabio Estevam
2012-01-20 18:43 ` [PATCH 3/3] ARM: mx3: Let mx31 and mx35 enter in LPM mode in WFI Fabio Estevam
2012-01-26 12:02 ` Sascha Hauer [this message]
2012-01-26 12:38 ` Fabio Estevam
2012-01-29 22:30 ` Olof Johansson
2012-01-20 23:29 ` [PATCH 1/3] ARM: mx3: Remove unneeded ifdef's from mm-imx3.c Uwe Kleine-König
2012-01-21 19:16 ` Fabio Estevam
2012-01-21 20:43 ` Uwe Kleine-König
2012-01-21 20:47 ` Fabio Estevam
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