spi: imx: fix runtime pm leak on probe deferral

commit a1d50a37d3b1df84f536a982f692371039df4a48 upstream.

Make sure to balance the runtime PM usage count before returning on
probe failure (e.g. probe deferral) so that the controller can be
suspended when a driver is later bound.

Fixes: 43b6bf406cd0 ("spi: imx: fix runtime pm support for !CONFIG_PM")
Cc: stable@vger.kernel.org	# 5.10
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20260421125632.1537235-1-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index a8d90c86a8a11daaa0dab0656eed02acdc21ed35..164167b593ef42a13b66bb9f76af98709ad9b337 100644 (file)
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -2384,6 +2384,7 @@ out_register_controller:
 out_runtime_pm_put:
        pm_runtime_dont_use_autosuspend(spi_imx->dev);
        pm_runtime_disable(spi_imx->dev);
+       pm_runtime_put_noidle(spi_imx->dev);
        pm_runtime_set_suspended(&pdev->dev);
 
        clk_disable_unprepare(spi_imx->clk_ipg);