[PATCH v4 05/31] i2c: tegra: Runtime PM always available on Tegra

[Dmitry Osipenko]

The runtime PM is guaranteed to be always available on Tegra after commit
40b2bb1b132a ("ARM: tegra: enforce PM requirement"). Hence let's remove
all the RPM-availability checking and handling from the code.

Reviewed-by: Michał Mirosław <mirq-li...@rere.qmqm.pl>
Signed-off-by: Dmitry Osipenko <dig...@gmail.com>
---
 drivers/i2c/busses/i2c-tegra.c | 28 ++++++----------------------
 1 file changed, 6 insertions(+), 22 deletions(-)

diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index f5b9cdb65182..9f0269bffab4 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -1771,18 +1771,10 @@ static int tegra_i2c_probe(struct platform_device *pdev)
        if (!i2c_dev->is_vi)
                pm_runtime_irq_safe(&pdev->dev);
        pm_runtime_enable(&pdev->dev);
-       if (!pm_runtime_enabled(&pdev->dev)) {
-               ret = tegra_i2c_runtime_resume(&pdev->dev);
-               if (ret < 0) {
-                       dev_err(&pdev->dev, "runtime resume failed\n");
-                       goto unprepare_div_clk;
-               }
-       } else {
-               ret = pm_runtime_get_sync(i2c_dev->dev);
-               if (ret < 0) {
-                       dev_err(&pdev->dev, "runtime resume failed\n");
-                       goto disable_rpm;
-               }
+       ret = pm_runtime_get_sync(i2c_dev->dev);
+       if (ret < 0) {
+               dev_err(dev, "runtime resume failed\n");
+               goto disable_rpm;
        }
 
        if (i2c_dev->is_multimaster_mode) {
@@ -1841,16 +1833,10 @@ static int tegra_i2c_probe(struct platform_device *pdev)
                clk_disable(i2c_dev->div_clk);
 
 put_rpm:
-       if (pm_runtime_enabled(&pdev->dev))
-               pm_runtime_put_sync(&pdev->dev);
-       else
-               tegra_i2c_runtime_suspend(&pdev->dev);
+       pm_runtime_put_sync(&pdev->dev);
 
 disable_rpm:
-       if (pm_runtime_enabled(&pdev->dev))
-               pm_runtime_disable(&pdev->dev);
-
-unprepare_div_clk:
+       pm_runtime_disable(&pdev->dev);
        clk_unprepare(i2c_dev->div_clk);
 
 unprepare_slow_clk:
@@ -1872,8 +1858,6 @@ static int tegra_i2c_remove(struct platform_device *pdev)
                clk_disable(i2c_dev->div_clk);
 
        pm_runtime_disable(&pdev->dev);
-       if (!pm_runtime_status_suspended(&pdev->dev))
-               tegra_i2c_runtime_suspend(&pdev->dev);
 
        clk_unprepare(i2c_dev->div_clk);
        clk_unprepare(i2c_dev->slow_clk);
-- 
2.27.0