Revert "drivers: bus: simple-pm-bus: Use clocks"

This reverts commit 882cf4c913 as it
breaks the build in linux-next.

Link: https://lore.kernel.org/r/20221114181752.08a850f0@canb.auug.org.au
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Liu Ying <victor.liu@nxp.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2022-11-14 10:03:38 +01:00
parent 282a4b7181
commit e8433659bf
1 changed files with 0 additions and 48 deletions

View File

@ -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,
},
};