From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/5] i.MX27: add suspend to RAM support
Date: Fri, 21 May 2010 20:19:04 +0100 [thread overview]
Message-ID: <20100521191904.GD11042@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1274440363-435-1-git-send-email-eric@eukrea.com>
On Fri, May 21, 2010 at 01:12:39PM +0200, Eric B?nard wrote:
> +#include <linux/kernel.h>
> +#include <linux/suspend.h>
> +#include <asm/io.h>
linux/io.h
> +#include <mach/system.h>
> +#include <mach/mx27.h>
> +
> +static int mx27_suspend_enter(suspend_state_t state)
> +{
> + u32 cscr;
> + switch (state) {
> + case PM_SUSPEND_MEM:
> + /* Clear MPEN and SPEN to disable MPLL/SPLL */
> + cscr = __raw_readl(MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR));
> + cscr &= 0xFFFFFFFC;
> + __raw_writel(cscr, MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR));
> + /* Executes WFI */
> + arch_idle();
> + break;
> +
> + default:
> + return -1;
-Exxx ?
prev parent reply other threads:[~2010-05-21 19:19 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-21 11:12 [PATCH 1/5] i.MX27: add suspend to RAM support Eric Bénard
2010-05-21 11:12 ` [PATCH 2/5] mxc_nand: fix PM Eric Bénard
2010-05-21 11:12 ` [PATCH 3/5] imx_keypad: add PM support Eric Bénard
2010-05-21 11:12 ` [PATCH 4/5] eukrea_mbimx27: update keyboard platform data Eric Bénard
2010-05-21 11:12 ` [PATCH 5/5] serial/imx.c: fix suspend/resume Eric Bénard
2010-05-21 19:22 ` [PATCH 3/5] imx_keypad: add PM support Russell King - ARM Linux
2010-05-21 11:41 ` [PATCH 2/5] mxc_nand: fix PM Lothar Waßmann
2010-05-21 12:32 ` Eric Bénard
2010-05-21 13:10 ` Wolfram Sang
2010-05-21 13:22 ` Eric Bénard
2010-05-24 21:10 ` Uwe Kleine-König
2010-05-24 21:16 ` Eric Bénard
2010-05-21 12:02 ` [PATCH 1/5] i.MX27: add suspend to RAM support Lothar Waßmann
2010-05-21 19:19 ` Russell King - ARM Linux [this message]
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