[PATCH v3 08/22] i2c: tegra: Runtime PM always available on Tegra

Dmitry Osipenko
2020-09-03T00:55:34Z

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-linux@rere.qmqm.pl>
Signed-off-by: Dmitry Osipenko <digetx@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 409f6bc5caa8..a8ef8619b7ef 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -1777,18 +1777,10 @@ 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(dev, "runtime resume failed\n");
- goto unprepare_div_clk;
- }
- } else {
- ret = pm_runtime_get_sync(i2c_dev->dev);
- if (ret < 0) {
- dev_err(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) {
@@ -1846,16 +1838,10 @@ 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:
@@ -1877,8 +1863,6 @@ 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