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Diffstat (limited to 'arch/arm/mach-davinci/pm_domain.c')
-rw-r--r--arch/arm/mach-davinci/pm_domain.c42
1 files changed, 7 insertions, 35 deletions
diff --git a/arch/arm/mach-davinci/pm_domain.c b/arch/arm/mach-davinci/pm_domain.c
index 6b98413cebd6..6b21d5bd999c 100644
--- a/arch/arm/mach-davinci/pm_domain.c
+++ b/arch/arm/mach-davinci/pm_domain.c
@@ -1,52 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Runtime PM support code for DaVinci
*
* Author: Kevin Hilman
*
* Copyright (C) 2012 Texas Instruments, Inc.
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
*/
#include <linux/init.h>
#include <linux/pm_runtime.h>
#include <linux/pm_clock.h>
#include <linux/platform_device.h>
-
-#ifdef CONFIG_PM_RUNTIME
-static int davinci_pm_runtime_suspend(struct device *dev)
-{
- int ret;
-
- dev_dbg(dev, "%s\n", __func__);
-
- ret = pm_generic_runtime_suspend(dev);
- if (ret)
- return ret;
-
- ret = pm_clk_suspend(dev);
- if (ret) {
- pm_generic_runtime_resume(dev);
- return ret;
- }
-
- return 0;
-}
-
-static int davinci_pm_runtime_resume(struct device *dev)
-{
- dev_dbg(dev, "%s\n", __func__);
-
- pm_clk_resume(dev);
- return pm_generic_runtime_resume(dev);
-}
-#endif
+#include <linux/of.h>
static struct dev_pm_domain davinci_pm_domain = {
.ops = {
- SET_RUNTIME_PM_OPS(davinci_pm_runtime_suspend,
- davinci_pm_runtime_resume, NULL)
+ USE_PM_CLK_RUNTIME_OPS
USE_PLATFORM_PM_SLEEP_OPS
},
};
@@ -58,6 +26,10 @@ static struct pm_clk_notifier_block platform_bus_notifier = {
static int __init davinci_pm_runtime_init(void)
{
+ if (of_have_populated_dt())
+ return 0;
+
+ /* Use pm_clk as fallback if we're not using genpd. */
pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);
return 0;