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

drivers/soc/ti/pm33xx.c

+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 @@ static int am33xx_pm_probe(struct platform_device *pdev) 


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);