[PATCHv7] ARM: mx51: Add support for low power suspend on MX51

[PATCHv7] ARM: mx51: Add support for low power suspend on MX51

[Dinh.Nguyen]

From: Dinh Nguyen <Dinh.Nguyen@freescale.com>

Adds initial low power suspend functionality to MX51.
Supports "mem" and "standby" modes.

Tested on mx51-babbage.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
---
 arch/arm/mach-mx5/Makefile  |    1 +
 arch/arm/mach-mx5/pm-imx5.c |   73 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 74 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/mach-mx5/pm-imx5.c

diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile
index 0b9338c..d646feb 100644
--- a/arch/arm/mach-mx5/Makefile
+++ b/arch/arm/mach-mx5/Makefile
@@ -6,6 +6,7 @@
 obj-y   := cpu.o mm.o clock-mx51-mx53.o devices.o ehci.o system.o
 obj-$(CONFIG_SOC_IMX50) += mm-mx50.o
 
+obj-$(CONFIG_PM) += pm-imx5.o
 obj-$(CONFIG_CPU_FREQ_IMX)    += cpu_op-mx51.o
 obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o
 obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o
diff --git a/arch/arm/mach-mx5/pm-imx5.c b/arch/arm/mach-mx5/pm-imx5.c
new file mode 100644
index 0000000..e4529af
--- /dev/null
+++ b/arch/arm/mach-mx5/pm-imx5.c
@@ -0,0 +1,73 @@
+/*
+ *  Copyright (C) 2011 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/suspend.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <asm/cacheflush.h>
+#include <asm/tlbflush.h>
+#include <mach/system.h>
+#include "crm_regs.h"
+
+static struct clk *gpc_dvfs_clk;
+
+static int mx5_suspend_enter(suspend_state_t state)
+{
+	clk_enable(gpc_dvfs_clk);
+	switch (state) {
+	case PM_SUSPEND_MEM:
+		mx5_cpu_lp_set(STOP_POWER_OFF);
+		break;
+	case PM_SUSPEND_STANDBY:
+		mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (state == PM_SUSPEND_MEM) {
+		local_flush_tlb_all();
+		flush_cache_all();
+
+		/*clear the EMPGC0/1 bits */
+		__raw_writel(0, MXC_SRPG_EMPGC0_SRPGCR);
+		__raw_writel(0, MXC_SRPG_EMPGC1_SRPGCR);
+	}
+	cpu_do_idle();
+	clk_disable(gpc_dvfs_clk);
+
+	return 0;
+}
+
+static int mx5_pm_valid(suspend_state_t state)
+{
+	return (state > PM_SUSPEND_ON && state <= PM_SUSPEND_MAX);
+}
+
+static const struct platform_suspend_ops mx5_suspend_ops = {
+	.valid = mx5_pm_valid,
+	.enter = mx5_suspend_enter,
+};
+
+static int __init mx5_pm_init(void)
+{
+	if (gpc_dvfs_clk == NULL)
+		gpc_dvfs_clk = clk_get(NULL, "gpc_dvfs");
+
+	if (!IS_ERR(gpc_dvfs_clk)) {
+		if (cpu_is_mx51())
+			suspend_set_ops(&mx5_suspend_ops);
+	} else
+		return -EPERM;
+
+	return 0;
+}
+device_initcall(mx5_pm_init);
-- 
1.6.0.4

[PATCHv7] ARM: mx51: Add support for low power suspend on MX51

[Dinh.Nguyen at freescale.com]

From: Dinh Nguyen <Dinh.Nguyen@freescale.com>

Adds initial low power suspend functionality to MX51.
Supports "mem" and "standby" modes.

Tested on mx51-babbage.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
---
 arch/arm/mach-mx5/Makefile  |    1 +
 arch/arm/mach-mx5/pm-imx5.c |   73 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 74 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/mach-mx5/pm-imx5.c

diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile
index 0b9338c..d646feb 100644
--- a/arch/arm/mach-mx5/Makefile
+++ b/arch/arm/mach-mx5/Makefile
@@ -6,6 +6,7 @@
 obj-y   := cpu.o mm.o clock-mx51-mx53.o devices.o ehci.o system.o
 obj-$(CONFIG_SOC_IMX50) += mm-mx50.o
 
+obj-$(CONFIG_PM) += pm-imx5.o
 obj-$(CONFIG_CPU_FREQ_IMX)    += cpu_op-mx51.o
 obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o
 obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o
diff --git a/arch/arm/mach-mx5/pm-imx5.c b/arch/arm/mach-mx5/pm-imx5.c
new file mode 100644
index 0000000..e4529af
--- /dev/null
+++ b/arch/arm/mach-mx5/pm-imx5.c
@@ -0,0 +1,73 @@
+/*
+ *  Copyright (C) 2011 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/suspend.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <asm/cacheflush.h>
+#include <asm/tlbflush.h>
+#include <mach/system.h>
+#include "crm_regs.h"
+
+static struct clk *gpc_dvfs_clk;
+
+static int mx5_suspend_enter(suspend_state_t state)
+{
+	clk_enable(gpc_dvfs_clk);
+	switch (state) {
+	case PM_SUSPEND_MEM:
+		mx5_cpu_lp_set(STOP_POWER_OFF);
+		break;
+	case PM_SUSPEND_STANDBY:
+		mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (state == PM_SUSPEND_MEM) {
+		local_flush_tlb_all();
+		flush_cache_all();
+
+		/*clear the EMPGC0/1 bits */
+		__raw_writel(0, MXC_SRPG_EMPGC0_SRPGCR);
+		__raw_writel(0, MXC_SRPG_EMPGC1_SRPGCR);
+	}
+	cpu_do_idle();
+	clk_disable(gpc_dvfs_clk);
+
+	return 0;
+}
+
+static int mx5_pm_valid(suspend_state_t state)
+{
+	return (state > PM_SUSPEND_ON && state <= PM_SUSPEND_MAX);
+}
+
+static const struct platform_suspend_ops mx5_suspend_ops = {
+	.valid = mx5_pm_valid,
+	.enter = mx5_suspend_enter,
+};
+
+static int __init mx5_pm_init(void)
+{
+	if (gpc_dvfs_clk == NULL)
+		gpc_dvfs_clk = clk_get(NULL, "gpc_dvfs");
+
+	if (!IS_ERR(gpc_dvfs_clk)) {
+		if (cpu_is_mx51())
+			suspend_set_ops(&mx5_suspend_ops);
+	} else
+		return -EPERM;
+
+	return 0;
+}
+device_initcall(mx5_pm_init);
-- 
1.6.0.4

Re: [PATCHv7] ARM: mx51: Add support for low power suspend on MX51

[Sascha Hauer]

On Mon, Mar 28, 2011 at 10:14:57AM -0500, Dinh.Nguyen@freescale.com wrote:
> From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
> 
> Adds initial low power suspend functionality to MX51.
> Supports "mem" and "standby" modes.
> 
> Tested on mx51-babbage.
> 
> Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
> ---
>  arch/arm/mach-mx5/Makefile  |    1 +
>  arch/arm/mach-mx5/pm-imx5.c |   73 +++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 74 insertions(+), 0 deletions(-)
>  create mode 100644 arch/arm/mach-mx5/pm-imx5.c
> 
> diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile
> index 0b9338c..d646feb 100644
> --- a/arch/arm/mach-mx5/Makefile
> +++ b/arch/arm/mach-mx5/Makefile
> @@ -6,6 +6,7 @@
>  obj-y   := cpu.o mm.o clock-mx51-mx53.o devices.o ehci.o system.o
>  obj-$(CONFIG_SOC_IMX50) += mm-mx50.o
>  
> +obj-$(CONFIG_PM) += pm-imx5.o
>  obj-$(CONFIG_CPU_FREQ_IMX)    += cpu_op-mx51.o
>  obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o
>  obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o
> diff --git a/arch/arm/mach-mx5/pm-imx5.c b/arch/arm/mach-mx5/pm-imx5.c
> new file mode 100644
> index 0000000..e4529af
> --- /dev/null
> +++ b/arch/arm/mach-mx5/pm-imx5.c
> @@ -0,0 +1,73 @@
> +/*
> + *  Copyright (C) 2011 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/suspend.h>
> +#include <linux/clk.h>
> +#include <linux/io.h>
> +#include <linux/err.h>
> +#include <asm/cacheflush.h>
> +#include <asm/tlbflush.h>
> +#include <mach/system.h>
> +#include "crm_regs.h"
> +
> +static struct clk *gpc_dvfs_clk;
> +
> +static int mx5_suspend_enter(suspend_state_t state)
> +{
> +	clk_enable(gpc_dvfs_clk);
> +	switch (state) {
> +	case PM_SUSPEND_MEM:
> +		mx5_cpu_lp_set(STOP_POWER_OFF);
> +		break;
> +	case PM_SUSPEND_STANDBY:
> +		mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
> +		break;
> +	default:
> +		return -EINVAL;
> +	}
> +
> +	if (state == PM_SUSPEND_MEM) {
> +		local_flush_tlb_all();
> +		flush_cache_all();
> +
> +		/*clear the EMPGC0/1 bits */
> +		__raw_writel(0, MXC_SRPG_EMPGC0_SRPGCR);
> +		__raw_writel(0, MXC_SRPG_EMPGC1_SRPGCR);
> +	}
> +	cpu_do_idle();
> +	clk_disable(gpc_dvfs_clk);
> +
> +	return 0;
> +}
> +
> +static int mx5_pm_valid(suspend_state_t state)
> +{
> +	return (state > PM_SUSPEND_ON && state <= PM_SUSPEND_MAX);
> +}
> +
> +static const struct platform_suspend_ops mx5_suspend_ops = {
> +	.valid = mx5_pm_valid,
> +	.enter = mx5_suspend_enter,
> +};
> +
> +static int __init mx5_pm_init(void)
> +{
> +	if (gpc_dvfs_clk == NULL)
> +		gpc_dvfs_clk = clk_get(NULL, "gpc_dvfs");

This is only executed once, so gpc_dvfs_clk is always NULL here.

> +
> +	if (!IS_ERR(gpc_dvfs_clk)) {
> +		if (cpu_is_mx51())
> +			suspend_set_ops(&mx5_suspend_ops);

This code shall only be executed on an i.MX51, so why don't you make a
simple if (!cpu_is_mx51()) return 0; at the beginning of this function?

Sascha

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

[PATCHv7] ARM: mx51: Add support for low power suspend on MX51

[Sascha Hauer]

On Mon, Mar 28, 2011 at 10:14:57AM -0500, Dinh.Nguyen at freescale.com wrote:
> From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
> 
> Adds initial low power suspend functionality to MX51.
> Supports "mem" and "standby" modes.
> 
> Tested on mx51-babbage.
> 
> Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
> ---
>  arch/arm/mach-mx5/Makefile  |    1 +
>  arch/arm/mach-mx5/pm-imx5.c |   73 +++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 74 insertions(+), 0 deletions(-)
>  create mode 100644 arch/arm/mach-mx5/pm-imx5.c
> 
> diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile
> index 0b9338c..d646feb 100644
> --- a/arch/arm/mach-mx5/Makefile
> +++ b/arch/arm/mach-mx5/Makefile
> @@ -6,6 +6,7 @@
>  obj-y   := cpu.o mm.o clock-mx51-mx53.o devices.o ehci.o system.o
>  obj-$(CONFIG_SOC_IMX50) += mm-mx50.o
>  
> +obj-$(CONFIG_PM) += pm-imx5.o
>  obj-$(CONFIG_CPU_FREQ_IMX)    += cpu_op-mx51.o
>  obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o
>  obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o
> diff --git a/arch/arm/mach-mx5/pm-imx5.c b/arch/arm/mach-mx5/pm-imx5.c
> new file mode 100644
> index 0000000..e4529af
> --- /dev/null
> +++ b/arch/arm/mach-mx5/pm-imx5.c
> @@ -0,0 +1,73 @@
> +/*
> + *  Copyright (C) 2011 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/suspend.h>
> +#include <linux/clk.h>
> +#include <linux/io.h>
> +#include <linux/err.h>
> +#include <asm/cacheflush.h>
> +#include <asm/tlbflush.h>
> +#include <mach/system.h>
> +#include "crm_regs.h"
> +
> +static struct clk *gpc_dvfs_clk;
> +
> +static int mx5_suspend_enter(suspend_state_t state)
> +{
> +	clk_enable(gpc_dvfs_clk);
> +	switch (state) {
> +	case PM_SUSPEND_MEM:
> +		mx5_cpu_lp_set(STOP_POWER_OFF);
> +		break;
> +	case PM_SUSPEND_STANDBY:
> +		mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
> +		break;
> +	default:
> +		return -EINVAL;
> +	}
> +
> +	if (state == PM_SUSPEND_MEM) {
> +		local_flush_tlb_all();
> +		flush_cache_all();
> +
> +		/*clear the EMPGC0/1 bits */
> +		__raw_writel(0, MXC_SRPG_EMPGC0_SRPGCR);
> +		__raw_writel(0, MXC_SRPG_EMPGC1_SRPGCR);
> +	}
> +	cpu_do_idle();
> +	clk_disable(gpc_dvfs_clk);
> +
> +	return 0;
> +}
> +
> +static int mx5_pm_valid(suspend_state_t state)
> +{
> +	return (state > PM_SUSPEND_ON && state <= PM_SUSPEND_MAX);
> +}
> +
> +static const struct platform_suspend_ops mx5_suspend_ops = {
> +	.valid = mx5_pm_valid,
> +	.enter = mx5_suspend_enter,
> +};
> +
> +static int __init mx5_pm_init(void)
> +{
> +	if (gpc_dvfs_clk == NULL)
> +		gpc_dvfs_clk = clk_get(NULL, "gpc_dvfs");

This is only executed once, so gpc_dvfs_clk is always NULL here.

> +
> +	if (!IS_ERR(gpc_dvfs_clk)) {
> +		if (cpu_is_mx51())
> +			suspend_set_ops(&mx5_suspend_ops);

This code shall only be executed on an i.MX51, so why don't you make a
simple if (!cpu_is_mx51()) return 0; at the beginning of this function?

Sascha

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

Re: [PATCHv7] ARM: mx51: Add support for low power suspend on MX51

[Arnaud Patard]

<Dinh.Nguyen@freescale.com> writes:

Hi,

> From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
>
> Adds initial low power suspend functionality to MX51.
> Supports "mem" and "standby" modes.
>
> Tested on mx51-babbage.
>
> Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>

I fail to see this patch in imx tree. Did it get merged in some other
tree ?

Thanks,
Arnaud

[PATCHv7] ARM: mx51: Add support for low power suspend on MX51

[Arnaud Patard (Rtp)]

<Dinh.Nguyen@freescale.com> writes:

Hi,

> From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
>
> Adds initial low power suspend functionality to MX51.
> Supports "mem" and "standby" modes.
>
> Tested on mx51-babbage.
>
> Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>

I fail to see this patch in imx tree. Did it get merged in some other
tree ?

Thanks,
Arnaud

Re: [PATCHv7] ARM: mx51: Add support for low power suspend on MX51

[Sascha Hauer]

On Tue, Jun 21, 2011 at 11:46:35AM +0200, Arnaud Patard wrote:
> <Dinh.Nguyen@freescale.com> writes:
> 
> Hi,
> 
> > From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
> >
> > Adds initial low power suspend functionality to MX51.
> > Supports "mem" and "standby" modes.
> >
> > Tested on mx51-babbage.
> >
> > Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
> 
> I fail to see this patch in imx tree. Did it get merged in some other
> tree ?

Not yet. Have you tested this patch?

Sascha

> 
> Thanks,
> Arnaud
> 

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

[PATCHv7] ARM: mx51: Add support for low power suspend on MX51

[Sascha Hauer]

On Tue, Jun 21, 2011 at 11:46:35AM +0200, Arnaud Patard wrote:
> <Dinh.Nguyen@freescale.com> writes:
> 
> Hi,
> 
> > From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
> >
> > Adds initial low power suspend functionality to MX51.
> > Supports "mem" and "standby" modes.
> >
> > Tested on mx51-babbage.
> >
> > Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
> 
> I fail to see this patch in imx tree. Did it get merged in some other
> tree ?

Not yet. Have you tested this patch?

Sascha

> 
> Thanks,
> Arnaud
> 

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

Re: [PATCHv7] ARM: mx51: Add support for low power suspend on MX51

[Shawn Guo]

On Wed, Jun 22, 2011 at 12:35:27AM +0200, Sascha Hauer wrote:
> On Tue, Jun 21, 2011 at 11:46:35AM +0200, Arnaud Patard wrote:
> > <Dinh.Nguyen@freescale.com> writes:
> > 
> > Hi,
> > 
> > > From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
> > >
> > > Adds initial low power suspend functionality to MX51.
> > > Supports "mem" and "standby" modes.
> > >
> > > Tested on mx51-babbage.
> > >
> > > Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
> > 
> > I fail to see this patch in imx tree. Did it get merged in some other
> > tree ?
> 
> Not yet. Have you tested this patch?
> 
I did.

Tested-by: Shawn Guo <shawn.guo@linaro.org>

-- 
Regards,
Shawn

[PATCHv7] ARM: mx51: Add support for low power suspend on MX51

[Shawn Guo]

On Wed, Jun 22, 2011 at 12:35:27AM +0200, Sascha Hauer wrote:
> On Tue, Jun 21, 2011 at 11:46:35AM +0200, Arnaud Patard wrote:
> > <Dinh.Nguyen@freescale.com> writes:
> > 
> > Hi,
> > 
> > > From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
> > >
> > > Adds initial low power suspend functionality to MX51.
> > > Supports "mem" and "standby" modes.
> > >
> > > Tested on mx51-babbage.
> > >
> > > Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
> > 
> > I fail to see this patch in imx tree. Did it get merged in some other
> > tree ?
> 
> Not yet. Have you tested this patch?
> 
I did.

Tested-by: Shawn Guo <shawn.guo@linaro.org>

-- 
Regards,
Shawn

Re: [PATCHv7] ARM: mx51: Add support for low power suspend on MX51

[Arnaud Patard]

Sascha Hauer <s.hauer@pengutronix.de> writes:
Hi,

> On Tue, Jun 21, 2011 at 11:46:35AM +0200, Arnaud Patard wrote:
>> <Dinh.Nguyen@freescale.com> writes:
>> 
>> Hi,
>> 
>> > From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
>> >
>> > Adds initial low power suspend functionality to MX51.
>> > Supports "mem" and "standby" modes.
>> >
>> > Tested on mx51-babbage.
>> >
>> > Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
>> 
>> I fail to see this patch in imx tree. Did it get merged in some other
>> tree ?
>
> Not yet. Have you tested this patch?
>
Yes, it works fine on my platforms.

Arnaud

[PATCHv7] ARM: mx51: Add support for low power suspend on MX51

[Arnaud Patard (Rtp)]

Sascha Hauer <s.hauer@pengutronix.de> writes:
Hi,

> On Tue, Jun 21, 2011 at 11:46:35AM +0200, Arnaud Patard wrote:
>> <Dinh.Nguyen@freescale.com> writes:
>> 
>> Hi,
>> 
>> > From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
>> >
>> > Adds initial low power suspend functionality to MX51.
>> > Supports "mem" and "standby" modes.
>> >
>> > Tested on mx51-babbage.
>> >
>> > Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
>> 
>> I fail to see this patch in imx tree. Did it get merged in some other
>> tree ?
>
> Not yet. Have you tested this patch?
>
Yes, it works fine on my platforms.

Arnaud

Re: [PATCHv7] ARM: mx51: Add support for low power suspend on MX51

[Sascha Hauer]

On Wed, Jun 22, 2011 at 08:49:42AM +0200, Arnaud Patard wrote:
> Sascha Hauer <s.hauer@pengutronix.de> writes:
> Hi,
> 
> > On Tue, Jun 21, 2011 at 11:46:35AM +0200, Arnaud Patard wrote:
> >> <Dinh.Nguyen@freescale.com> writes:
> >> 
> >> Hi,
> >> 
> >> > From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
> >> >
> >> > Adds initial low power suspend functionality to MX51.
> >> > Supports "mem" and "standby" modes.
> >> >
> >> > Tested on mx51-babbage.
> >> >
> >> > Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
> >> 
> >> I fail to see this patch in imx tree. Did it get merged in some other
> >> tree ?
> >
> > Not yet. Have you tested this patch?
> >
> Yes, it works fine on my platforms.

I took this as a tested-by and applied the patch.

Sascha


-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
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[PATCHv7] ARM: mx51: Add support for low power suspend on MX51

[Sascha Hauer]

On Wed, Jun 22, 2011 at 08:49:42AM +0200, Arnaud Patard wrote:
> Sascha Hauer <s.hauer@pengutronix.de> writes:
> Hi,
> 
> > On Tue, Jun 21, 2011 at 11:46:35AM +0200, Arnaud Patard wrote:
> >> <Dinh.Nguyen@freescale.com> writes:
> >> 
> >> Hi,
> >> 
> >> > From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
> >> >
> >> > Adds initial low power suspend functionality to MX51.
> >> > Supports "mem" and "standby" modes.
> >> >
> >> > Tested on mx51-babbage.
> >> >
> >> > Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
> >> 
> >> I fail to see this patch in imx tree. Did it get merged in some other
> >> tree ?
> >
> > Not yet. Have you tested this patch?
> >
> Yes, it works fine on my platforms.

I took this as a tested-by and applied the patch.

Sascha


-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |