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authorDmitry Osipenko <digetx@gmail.com>2020-09-30 01:18:50 +0300
committerWolfram Sang <wsa@kernel.org>2020-10-05 23:57:40 +0300
commit76bc845a78c5e6e8741930ea3c66e7d99ae3b8b5 (patch)
tree476b9927177c6b50ab892a752deea1244063d8ed /drivers/i2c/busses/i2c-tegra.c
parent8ff727316a0930e308032fc2814d57fdaa30047f (diff)
downloadlinux-76bc845a78c5e6e8741930ea3c66e7d99ae3b8b5.tar.xz
i2c: tegra: Runtime PM always available on Tegra
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> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Tested-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c/busses/i2c-tegra.c')
-rw-r--r--drivers/i2c/busses/i2c-tegra.c29
1 files changed, 6 insertions, 23 deletions
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 85ed0e02d48c..a52c72135390 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -1775,18 +1775,10 @@ 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 put_rpm;
- }
+ ret = pm_runtime_get_sync(i2c_dev->dev);
+ if (ret < 0) {
+ dev_err(dev, "runtime resume failed\n");
+ goto put_rpm;
}
if (i2c_dev->is_multimaster_mode) {
@@ -1845,15 +1837,8 @@ disable_div_clk:
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);
-
- if (pm_runtime_enabled(&pdev->dev))
- pm_runtime_disable(&pdev->dev);
-
-unprepare_div_clk:
+ pm_runtime_put_sync(&pdev->dev);
+ pm_runtime_disable(&pdev->dev);
clk_unprepare(i2c_dev->div_clk);
unprepare_slow_clk:
@@ -1875,8 +1860,6 @@ 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);