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| author | Tony Lindgren <tony@atomide.com> | 2020-11-16 12:57:13 +0200 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2020-11-16 12:57:38 +0200 |
| commit | 74033131d2467fda6b76ba10bc80a75fb47e03d1 (patch) | |
| tree | bd6cb11778037f63368ec632677d35c6152ca4ed | |
| parent | f29ef9807f85ba5b6afe84d9dca4743211b3507a (diff) | |
| download | linux-stable-74033131d2467fda6b76ba10bc80a75fb47e03d1.tar.gz linux-stable-74033131d2467fda6b76ba10bc80a75fb47e03d1.tar.bz2 linux-stable-74033131d2467fda6b76ba10bc80a75fb47e03d1.zip | |
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: Tony Lindgren <tony@atomide.com>
| -rw-r--r-- | drivers/soc/ti/pm33xx.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/soc/ti/pm33xx.c b/drivers/soc/ti/pm33xx.c index d2f5e7001a93..c1d550e90c31 100644 --- a/drivers/soc/ti/pm33xx.c +++ b/drivers/soc/ti/pm33xx.c @@ -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); |