diff options
| author | Mark Brown <broonie@kernel.org> | 2022-09-27 11:33:19 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-09-27 11:33:19 +0100 |
| commit | dd1b25ec8b2072dfe58325e13785f0dfef94b2c3 (patch) | |
| tree | 83d857dd1c315065dc6c5bfd0c8211778f86b2ab /drivers/spi | |
| parent | fc13b5a25e18b0de5e04b6f5616c60d71d2610ee (diff) | |
| parent | 29f65f2171c85a9633daa380df14009a365f42f2 (diff) | |
| download | linux-stable-dd1b25ec8b2072dfe58325e13785f0dfef94b2c3.tar.gz linux-stable-dd1b25ec8b2072dfe58325e13785f0dfef94b2c3.tar.bz2 linux-stable-dd1b25ec8b2072dfe58325e13785f0dfef94b2c3.zip | |
Fix PM disable depth imbalance in probe
Merge series from Zhang Qilong <zhangqilong3@huawei.com>:
The pm_runtime_enable will increase power disable depth. Thus
a pairing decrement is needed when error returns to keep it
balanced. This series of patches fixed it in spi probe.
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-cadence-quadspi.c | 3 | ||||
| -rw-r--r-- | drivers/spi/spi-dw-bt1.c | 4 | ||||
| -rw-r--r-- | drivers/spi/spi-omap-100k.c | 1 |
3 files changed, 6 insertions, 2 deletions
diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index 72b1a5a2298c..106c09ffa425 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -1619,7 +1619,7 @@ static int cqspi_probe(struct platform_device *pdev) pm_runtime_enable(dev); ret = pm_runtime_resume_and_get(dev); if (ret < 0) - return ret; + goto probe_pm_failed; ret = clk_prepare_enable(cqspi->clk); if (ret) { @@ -1712,6 +1712,7 @@ probe_reset_failed: clk_disable_unprepare(cqspi->clk); probe_clk_failed: pm_runtime_put_sync(dev); +probe_pm_failed: pm_runtime_disable(dev); return ret; } diff --git a/drivers/spi/spi-dw-bt1.c b/drivers/spi/spi-dw-bt1.c index c06553416123..3fb89dee595e 100644 --- a/drivers/spi/spi-dw-bt1.c +++ b/drivers/spi/spi-dw-bt1.c @@ -293,8 +293,10 @@ static int dw_spi_bt1_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); ret = dw_spi_add_host(&pdev->dev, dws); - if (ret) + if (ret) { + pm_runtime_disable(&pdev->dev); goto err_disable_clk; + } platform_set_drvdata(pdev, dwsbt1); diff --git a/drivers/spi/spi-omap-100k.c b/drivers/spi/spi-omap-100k.c index 20b047172965..061f7394e5b9 100644 --- a/drivers/spi/spi-omap-100k.c +++ b/drivers/spi/spi-omap-100k.c @@ -412,6 +412,7 @@ static int omap1_spi100k_probe(struct platform_device *pdev) return status; err_fck: + pm_runtime_disable(&pdev->dev); clk_disable_unprepare(spi100k->fck); err_ick: clk_disable_unprepare(spi100k->ick); |