diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/bus/simple-pm-bus.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/drivers/bus/simple-pm-bus.c b/drivers/bus/simple-pm-bus.c index d7b043fefde9..6b8d6257ed8a 100644 --- a/drivers/bus/simple-pm-bus.c +++ b/drivers/bus/simple-pm-bus.c @@ -8,24 +8,17 @@ * for more details. */ -#include <linux/clk.h> #include <linux/module.h> #include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> -struct simple_pm_bus { - struct clk_bulk_data *clks; - int num_clks; -}; - static int simple_pm_bus_probe(struct platform_device *pdev) { const struct device *dev = &pdev->dev; const struct of_dev_auxdata *lookup = dev_get_platdata(dev); struct device_node *np = dev->of_node; const struct of_device_id *match; - struct simple_pm_bus *bus; /* * Allow user to use driver_override to bind this driver to a @@ -51,16 +44,6 @@ static int simple_pm_bus_probe(struct platform_device *pdev) return -ENODEV; } - bus = devm_kzalloc(&pdev->dev, sizeof(*bus), GFP_KERNEL); - if (!bus) - return -ENOMEM; - - bus->num_clks = devm_clk_bulk_get_all(&pdev->dev, &bus->clks); - if (bus->num_clks < 0) - return dev_err_probe(&pdev->dev, bus->num_clks, "failed to get clocks\n"); - - dev_set_drvdata(&pdev->dev, bus); - dev_dbg(&pdev->dev, "%s\n", __func__); pm_runtime_enable(&pdev->dev); @@ -84,36 +67,6 @@ static int simple_pm_bus_remove(struct platform_device *pdev) return 0; } -static int simple_pm_bus_runtime_suspend(struct device *dev) -{ - struct simple_pm_bus *bus = dev_get_drvdata(dev); - - clk_bulk_disable_unprepare(bus->num_clks, bus->clks); - - return 0; -} - -static int simple_pm_bus_runtime_resume(struct device *dev) -{ - struct simple_pm_bus *bus = dev_get_drvdata(dev); - int ret; - - ret = clk_bulk_prepare_enable(bus->num_clks, bus->clks); - if (ret) { - dev_err(dev, "failed to enable clocks: %d\n", ret); - return ret; - } - - return 0; -} - -static const struct dev_pm_ops simple_pm_bus_pm_ops = { - SET_RUNTIME_PM_OPS(simple_pm_bus_runtime_suspend, - simple_pm_bus_runtime_resume, NULL) - SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, - pm_runtime_force_resume) -}; - #define ONLY_BUS ((void *) 1) /* Match if the device is only a bus. */ static const struct of_device_id simple_pm_bus_of_match[] = { @@ -132,7 +85,6 @@ static struct platform_driver simple_pm_bus_driver = { .driver = { .name = "simple-pm-bus", .of_match_table = simple_pm_bus_of_match, - .pm = &simple_pm_bus_pm_ops, }, }; |