diff options
author | Jiri Kosina <jkosina@suse.cz> | 2012-04-08 21:48:52 +0200 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2012-04-08 21:48:52 +0200 |
commit | e75d660672ddd11704b7f0fdb8ff21968587b266 (patch) | |
tree | ccb9c107744c10b553c0373e450bee3971d16c00 /arch/arm/mach-imx/pm-imx3.c | |
parent | 61282f37927143e45b03153f3e7b48d6b702147a (diff) | |
parent | 0034102808e0dbbf3a2394b82b1bb40b5778de9e (diff) |
Merge branch 'master' into for-next
Merge with latest Linus' tree, as I have incoming patches
that fix code that is newer than current HEAD of for-next.
Conflicts:
drivers/net/ethernet/realtek/r8169.c
Diffstat (limited to 'arch/arm/mach-imx/pm-imx3.c')
-rw-r--r-- | arch/arm/mach-imx/pm-imx3.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/pm-imx3.c b/arch/arm/mach-imx/pm-imx3.c new file mode 100644 index 000000000000..b3752439632e --- /dev/null +++ b/arch/arm/mach-imx/pm-imx3.c @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2012 Freescale Semiconductor, Inc. All Rights Reserved. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#include <linux/io.h> +#include <mach/common.h> +#include <mach/hardware.h> +#include <mach/devices-common.h> +#include "crmregs-imx3.h" + +/* + * Set cpu low power mode before WFI instruction. This function is called + * mx3 because it can be used for mx31 and mx35. + * Currently only WAIT_MODE is supported. + */ +void mx3_cpu_lp_set(enum mx3_cpu_pwr_mode mode) +{ + int reg = __raw_readl(MXC_CCM_CCMR); + reg &= ~MXC_CCM_CCMR_LPM_MASK; + + switch (mode) { + case MX3_WAIT: + if (cpu_is_mx35()) + reg |= MXC_CCM_CCMR_LPM_WAIT_MX35; + __raw_writel(reg, MXC_CCM_CCMR); + break; + default: + pr_err("Unknown cpu power mode: %d\n", mode); + return; + } +} |