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From: Erwan Le Ray <erwan.leray@st.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jslaby@suse.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	"Alexandre Torgue" <alexandre.torgue@st.com>,
	Rob Herring <robh+dt@kernel.org>,
	"Mark Rutland" <mark.rutland@arm.com>
Cc: <linux-serial@vger.kernel.org>,
	<linux-stm32@st-md-mailman.stormreply.com>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
	Erwan Le Ray <erwan.leray@st.com>,
	"Fabrice Gasnier" <fabrice.gasnier@st.com>,
	Bich Hemon <bich.hemon@st.com>
Subject: [PATCH v3 03/10] serial: stm32: select pinctrl state in each suspend/resume function
Date: Thu, 13 Jun 2019 15:49:53 +0200	[thread overview]
Message-ID: <1560433800-12255-4-git-send-email-erwan.leray@st.com> (raw)
In-Reply-To: <1560433800-12255-1-git-send-email-erwan.leray@st.com>

Select either pinctrl sleep state in suspend function or default state in
resume function.

Signed-off-by: Bich Hemon <bich.hemon@st.com>
Signed-off-by: Erwan Le Ray <erwan.leray@st.com>

diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 9c2b04e..a8f20ba 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -24,6 +24,7 @@
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_platform.h>
+#include <linux/pinctrl/consumer.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/pm_wakeirq.h>
@@ -1298,6 +1299,8 @@ static int stm32_serial_suspend(struct device *dev)
 	else
 		stm32_serial_enable_wakeup(port, false);
 
+	pinctrl_pm_select_sleep_state(dev);
+
 	return 0;
 }
 
@@ -1305,6 +1308,8 @@ static int stm32_serial_resume(struct device *dev)
 {
 	struct uart_port *port = dev_get_drvdata(dev);
 
+	pinctrl_pm_select_default_state(dev);
+
 	if (device_may_wakeup(dev))
 		stm32_serial_enable_wakeup(port, false);
 
-- 
1.9.1


WARNING: multiple messages have this Message-ID (diff)
From: Erwan Le Ray <erwan.leray@st.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jslaby@suse.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Alexandre Torgue <alexandre.torgue@st.com>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	Erwan Le Ray <erwan.leray@st.com>,
	linux-serial@vger.kernel.org, Bich Hemon <bich.hemon@st.com>,
	Fabrice Gasnier <fabrice.gasnier@st.com>,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 03/10] serial: stm32: select pinctrl state in each suspend/resume function
Date: Thu, 13 Jun 2019 15:49:53 +0200	[thread overview]
Message-ID: <1560433800-12255-4-git-send-email-erwan.leray@st.com> (raw)
In-Reply-To: <1560433800-12255-1-git-send-email-erwan.leray@st.com>

Select either pinctrl sleep state in suspend function or default state in
resume function.

Signed-off-by: Bich Hemon <bich.hemon@st.com>
Signed-off-by: Erwan Le Ray <erwan.leray@st.com>

diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 9c2b04e..a8f20ba 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -24,6 +24,7 @@
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_platform.h>
+#include <linux/pinctrl/consumer.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/pm_wakeirq.h>
@@ -1298,6 +1299,8 @@ static int stm32_serial_suspend(struct device *dev)
 	else
 		stm32_serial_enable_wakeup(port, false);
 
+	pinctrl_pm_select_sleep_state(dev);
+
 	return 0;
 }
 
@@ -1305,6 +1308,8 @@ static int stm32_serial_resume(struct device *dev)
 {
 	struct uart_port *port = dev_get_drvdata(dev);
 
+	pinctrl_pm_select_default_state(dev);
+
 	if (device_may_wakeup(dev))
 		stm32_serial_enable_wakeup(port, false);
 
-- 
1.9.1

WARNING: multiple messages have this Message-ID (diff)
From: Erwan Le Ray <erwan.leray@st.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jslaby@suse.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	"Alexandre Torgue" <alexandre.torgue@st.com>,
	Rob Herring <robh+dt@kernel.org>,
	"Mark Rutland" <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	Erwan Le Ray <erwan.leray@st.com>,
	linux-serial@vger.kernel.org, Bich Hemon <bich.hemon@st.com>,
	Fabrice Gasnier <fabrice.gasnier@st.com>,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 03/10] serial: stm32: select pinctrl state in each suspend/resume function
Date: Thu, 13 Jun 2019 15:49:53 +0200	[thread overview]
Message-ID: <1560433800-12255-4-git-send-email-erwan.leray@st.com> (raw)
In-Reply-To: <1560433800-12255-1-git-send-email-erwan.leray@st.com>

Select either pinctrl sleep state in suspend function or default state in
resume function.

Signed-off-by: Bich Hemon <bich.hemon@st.com>
Signed-off-by: Erwan Le Ray <erwan.leray@st.com>

diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 9c2b04e..a8f20ba 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -24,6 +24,7 @@
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_platform.h>
+#include <linux/pinctrl/consumer.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/pm_wakeirq.h>
@@ -1298,6 +1299,8 @@ static int stm32_serial_suspend(struct device *dev)
 	else
 		stm32_serial_enable_wakeup(port, false);
 
+	pinctrl_pm_select_sleep_state(dev);
+
 	return 0;
 }
 
@@ -1305,6 +1308,8 @@ static int stm32_serial_resume(struct device *dev)
 {
 	struct uart_port *port = dev_get_drvdata(dev);
 
+	pinctrl_pm_select_default_state(dev);
+
 	if (device_may_wakeup(dev))
 		stm32_serial_enable_wakeup(port, false);
 
-- 
1.9.1


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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2019-06-13 15:11 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-13 13:49 [PATCH v3 00/10] STM32 usart power improvements Erwan Le Ray
2019-06-13 13:49 ` Erwan Le Ray
2019-06-13 13:49 ` Erwan Le Ray
2019-06-13 13:49 ` [PATCH v3 01/10] dt-bindings: serial: stm32: add wakeup option Erwan Le Ray
2019-06-13 13:49   ` Erwan Le Ray
2019-06-13 13:49   ` Erwan Le Ray
2019-07-09 14:35   ` Rob Herring
2019-07-09 14:35     ` Rob Herring
2019-07-09 14:35     ` Rob Herring
2019-06-13 13:49 ` [PATCH v3 02/10] dt-bindings: serial: add optional pinctrl states Erwan Le Ray
2019-06-13 13:49   ` Erwan Le Ray
2019-06-13 13:49   ` Erwan Le Ray
2019-07-09 14:38   ` Rob Herring
2019-07-09 14:38     ` Rob Herring
2019-06-13 13:49 ` Erwan Le Ray [this message]
2019-06-13 13:49   ` [PATCH v3 03/10] serial: stm32: select pinctrl state in each suspend/resume function Erwan Le Ray
2019-06-13 13:49   ` Erwan Le Ray
2019-06-13 13:49 ` [PATCH v3 04/10] serial: stm32: add pm_runtime support Erwan Le Ray
2019-06-13 13:49   ` Erwan Le Ray
2019-06-13 13:49   ` Erwan Le Ray
2019-06-13 13:49 ` [PATCH v3 05/10] serial: stm32: Use __maybe_unused instead of #if CONFIG_PM_SLEEP Erwan Le Ray
2019-06-13 13:49   ` Erwan Le Ray
2019-06-13 13:49   ` Erwan Le Ray
2019-06-13 13:49 ` [PATCH v3 06/10] serial: stm32: add support for no_console_suspend Erwan Le Ray
2019-06-13 13:49   ` Erwan Le Ray
2019-06-13 13:49   ` Erwan Le Ray
2019-06-13 13:49 ` [PATCH v3 07/10] ARM: dts: stm32: update uart4 pin configurations for low power Erwan Le Ray
2019-06-13 13:49   ` Erwan Le Ray
2019-06-13 13:49   ` Erwan Le Ray
2019-06-13 13:49 ` [PATCH v3 08/10] ARM: dts: stm32: Update pin states for uart4 on stm32mp157c-ed1 Erwan Le Ray
2019-06-13 13:49   ` Erwan Le Ray
2019-06-13 13:49   ` Erwan Le Ray
2019-06-13 13:49 ` [PATCH v3 09/10] ARM: dts: stm32: Update UART4 pin states on stm32mp157a-dk1 Erwan Le Ray
2019-06-13 13:49   ` Erwan Le Ray
2019-06-13 13:49   ` Erwan Le Ray
2019-06-13 13:50 ` [PATCH v3 10/10] ARM: dts: stm32: add wakeup capability on each usart/uart on stm32mp157c Erwan Le Ray
2019-06-13 13:50   ` Erwan Le Ray
2019-06-13 13:50   ` Erwan Le Ray

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