4.17-stable review patch. If anyone has any objections, please let me know.
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From: Tony Lindgren tony@atomide.com
[ Upstream commit 7e48e23a1f4a50f93ac1073f1326e0a73829b631 ]
If pm_runtime_get_sync() fails we should call pm_runtime_put_noidle(). This is probably not a critical fix as we should only hit this when things are broken elsewhere.
Signed-off-by: Tony Lindgren tony@atomide.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/spi/spi.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1222,6 +1222,7 @@ static void __spi_pump_messages(struct s if (!was_busy && ctlr->auto_runtime_pm) { ret = pm_runtime_get_sync(ctlr->dev.parent); if (ret < 0) { + pm_runtime_put_noidle(ctlr->dev.parent); dev_err(&ctlr->dev, "Failed to power device: %d\n", ret); mutex_unlock(&ctlr->io_mutex);