FAILED: patch "[PATCH] spi: npcm-pspi: fix controller deregistration" failed to apply to 6.6-stable tree

FAILED: patch "[PATCH] spi: npcm-pspi: fix controller deregistration" failed to apply to 6.6-stable tree

[gregkh]

The patch below does not apply to the 6.6-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y
git checkout FETCH_HEAD
git cherry-pick -x ebd81199e00e107980bf8c4d2c747ae50158f797
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2026051500-handmade-nanometer-fd9b@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^..

Possible dependencies:



thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From ebd81199e00e107980bf8c4d2c747ae50158f797 Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@kernel.org>
Date: Fri, 10 Apr 2026 10:17:34 +0200
Subject: [PATCH] spi: npcm-pspi: fix controller deregistration

Make sure to deregister the controller before disabling underlying
resources like clocks during driver unbind.

Fixes: 2a22f1b30cee ("spi: npcm: add NPCM PSPI controller driver")
Cc: stable@vger.kernel.org	# 5.0
Cc: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20260410081757.503099-5-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-npcm-pspi.c b/drivers/spi/spi-npcm-pspi.c
index e60b3cc398ec..cffef0a5977d 100644
--- a/drivers/spi/spi-npcm-pspi.c
+++ b/drivers/spi/spi-npcm-pspi.c
@@ -413,7 +413,7 @@ static int npcm_pspi_probe(struct platform_device *pdev)
 	/* set to default clock rate */
 	npcm_pspi_set_baudrate(priv, NPCM_PSPI_DEFAULT_CLK);
 
-	ret = devm_spi_register_controller(&pdev->dev, host);
+	ret = spi_register_controller(host);
 	if (ret)
 		goto out_disable_clk;
 
@@ -434,8 +434,14 @@ static void npcm_pspi_remove(struct platform_device *pdev)
 	struct spi_controller *host = platform_get_drvdata(pdev);
 	struct npcm_pspi *priv = spi_controller_get_devdata(host);
 
+	spi_controller_get(host);
+
+	spi_unregister_controller(host);
+
 	npcm_pspi_reset_hw(priv);
 	clk_disable_unprepare(priv->clk);
+
+	spi_controller_put(host);
 }
 
 static const struct of_device_id npcm_pspi_match[] = {