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author | Łukasz Stelmach <l.stelmach@samsung.com> | 2021-05-05 20:29:14 +0200 |
---|---|---|
committer | Herbert Xu <herbert@gondor.apana.org.au> | 2021-05-14 13:07:56 +0200 |
commit | 0cdbabf8bb7a6147f5adf37dbc251e92a1bbc2c7 (patch) | |
tree | a5fb77d258334fd4db9d41214fa12dca225edd19 | |
parent | crypto: qce - Schedule fallback aead algorithm (diff) | |
download | linux-0cdbabf8bb7a6147f5adf37dbc251e92a1bbc2c7.tar.xz linux-0cdbabf8bb7a6147f5adf37dbc251e92a1bbc2c7.zip |
hwrng: exynos - Fix runtime PM imbalance on error
pm_runtime_resume_and_get() wraps around pm_runtime_get_sync() and
decrements the runtime PM usage counter in case the latter function
fails and keeps the counter balanced.
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r-- | drivers/char/hw_random/exynos-trng.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/hw_random/exynos-trng.c b/drivers/char/hw_random/exynos-trng.c index 8e1fe3f8dd2d..c8db62bc5ff7 100644 --- a/drivers/char/hw_random/exynos-trng.c +++ b/drivers/char/hw_random/exynos-trng.c @@ -132,7 +132,7 @@ static int exynos_trng_probe(struct platform_device *pdev) return PTR_ERR(trng->mem); pm_runtime_enable(&pdev->dev); - ret = pm_runtime_get_sync(&pdev->dev); + ret = pm_runtime_resume_and_get(&pdev->dev); if (ret < 0) { dev_err(&pdev->dev, "Could not get runtime PM.\n"); goto err_pm_get; @@ -165,7 +165,7 @@ err_register: clk_disable_unprepare(trng->clk); err_clock: - pm_runtime_put_sync(&pdev->dev); + pm_runtime_put_noidle(&pdev->dev); err_pm_get: pm_runtime_disable(&pdev->dev); |