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From: Masahiro Yamada <yamada.masahiro@socionext.com>
To: arm@kernel.org
Cc: linux-arm-kernel@lists.infradead.org,
	Olof Johansson <olof@lixom.net>, Arnd Bergmann <arnd@arndb.de>,
	Masami Hiramatsu <mhiramat@kernel.org>,
	Jassi Brar <jaswinder.singh@linaro.org>,
	Masahiro Yamada <yamada.masahiro@socionext.com>,
	linux-kernel@vger.kernel.org
Subject: [PATCH] bus: uniphier-system-bus: set up registers when resuming
Date: Mon, 31 Jul 2017 13:53:42 +0900	[thread overview]
Message-ID: <1501476822-18679-1-git-send-email-yamada.masahiro@socionext.com> (raw)

When resuming, set up registers that have been lost in the sleep state.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

 drivers/bus/uniphier-system-bus.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/bus/uniphier-system-bus.c b/drivers/bus/uniphier-system-bus.c
index 1e6e0269edcc..f9c334159e83 100644
--- a/drivers/bus/uniphier-system-bus.c
+++ b/drivers/bus/uniphier-system-bus.c
@@ -256,10 +256,23 @@ static int uniphier_system_bus_probe(struct platform_device *pdev)
 
 	uniphier_system_bus_set_reg(priv);
 
+	platform_set_drvdata(pdev, priv);
+
 	/* Now, the bus is configured.  Populate platform_devices below it */
 	return of_platform_default_populate(dev->of_node, NULL, dev);
 }
 
+static int uniphier_system_bus_resume(struct device *dev)
+{
+	uniphier_system_bus_set_reg(dev_get_drvdata(dev));
+
+	return 0;
+}
+
+static const struct dev_pm_ops uniphier_system_bus_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(NULL, uniphier_system_bus_resume)
+};
+
 static const struct of_device_id uniphier_system_bus_match[] = {
 	{ .compatible = "socionext,uniphier-system-bus" },
 	{ /* sentinel */ }
@@ -271,6 +284,7 @@ static struct platform_driver uniphier_system_bus_driver = {
 	.driver = {
 		.name	= "uniphier-system-bus",
 		.of_match_table = uniphier_system_bus_match,
+		.pm = &uniphier_system_bus_pm_ops,
 	},
 };
 module_platform_driver(uniphier_system_bus_driver);
-- 
2.7.4

WARNING: multiple messages have this Message-ID (diff)
From: yamada.masahiro@socionext.com (Masahiro Yamada)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] bus: uniphier-system-bus: set up registers when resuming
Date: Mon, 31 Jul 2017 13:53:42 +0900	[thread overview]
Message-ID: <1501476822-18679-1-git-send-email-yamada.masahiro@socionext.com> (raw)

When resuming, set up registers that have been lost in the sleep state.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

 drivers/bus/uniphier-system-bus.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/bus/uniphier-system-bus.c b/drivers/bus/uniphier-system-bus.c
index 1e6e0269edcc..f9c334159e83 100644
--- a/drivers/bus/uniphier-system-bus.c
+++ b/drivers/bus/uniphier-system-bus.c
@@ -256,10 +256,23 @@ static int uniphier_system_bus_probe(struct platform_device *pdev)
 
 	uniphier_system_bus_set_reg(priv);
 
+	platform_set_drvdata(pdev, priv);
+
 	/* Now, the bus is configured.  Populate platform_devices below it */
 	return of_platform_default_populate(dev->of_node, NULL, dev);
 }
 
+static int uniphier_system_bus_resume(struct device *dev)
+{
+	uniphier_system_bus_set_reg(dev_get_drvdata(dev));
+
+	return 0;
+}
+
+static const struct dev_pm_ops uniphier_system_bus_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(NULL, uniphier_system_bus_resume)
+};
+
 static const struct of_device_id uniphier_system_bus_match[] = {
 	{ .compatible = "socionext,uniphier-system-bus" },
 	{ /* sentinel */ }
@@ -271,6 +284,7 @@ static struct platform_driver uniphier_system_bus_driver = {
 	.driver = {
 		.name	= "uniphier-system-bus",
 		.of_match_table = uniphier_system_bus_match,
+		.pm = &uniphier_system_bus_pm_ops,
 	},
 };
 module_platform_driver(uniphier_system_bus_driver);
-- 
2.7.4

             reply	other threads:[~2017-07-31  5:10 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-31  4:53 Masahiro Yamada [this message]
2017-07-31  4:53 ` [PATCH] bus: uniphier-system-bus: set up registers when resuming Masahiro Yamada

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