Commit 74033131 authored by Tony Lindgren's avatar Tony Lindgren
Browse files

soc: ti: pm33xx: Enable basic PM runtime support for genpd



To prepare for moving to use genpd, let's enable basic PM
runtime support.

Cc: Dave Gerlach <d-gerlach@ti.com>
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: Suman Anna <s-anna@ti.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent f29ef980
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+15 −2
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@
#include <linux/of_address.h>
#include <linux/platform_data/pm33xx.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/rtc.h>
#include <linux/rtc/rtc-omap.h>
#include <linux/sizes.h>
@@ -555,16 +556,26 @@ static int am33xx_pm_probe(struct platform_device *pdev)
	suspend_wfi_flags |= WFI_FLAG_WAKE_M3;
#endif /* CONFIG_SUSPEND */

	pm_runtime_enable(dev);
	ret = pm_runtime_get_sync(dev);
	if (ret < 0) {
		pm_runtime_put_noidle(dev);
		goto err_pm_runtime_disable;
	}

	ret = pm_ops->init(am33xx_do_sram_idle);
	if (ret) {
		dev_err(dev, "Unable to call core pm init!\n");
		ret = -ENODEV;
		goto err_put_wkup_m3_ipc;
		goto err_pm_runtime_put;
	}

	return 0;

err_put_wkup_m3_ipc:
err_pm_runtime_put:
	pm_runtime_put_sync(dev);
err_pm_runtime_disable:
	pm_runtime_disable(dev);
	wkup_m3_ipc_put(m3_ipc);
err_free_sram:
	am33xx_pm_free_sram();
@@ -574,6 +585,8 @@ err_free_sram:

static int am33xx_pm_remove(struct platform_device *pdev)
{
	pm_runtime_put_sync(&pdev->dev);
	pm_runtime_disable(&pdev->dev);
	if (pm_ops->deinit)
		pm_ops->deinit();
	suspend_set_ops(NULL);