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From: Johan Hovold <johan@kernel.org>
To: Mark Brown <broonie@kernel.org>
Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org,
	Johan Hovold <johan@kernel.org>,
	stable@vger.kernel.org, Mason Yang <masonccyang@mxic.com.tw>
Subject: [PATCH 5/8] spi: mxic: fix controller deregistration
Date: Tue, 14 Apr 2026 15:43:16 +0200	[thread overview]
Message-ID: <20260414134319.978196-6-johan@kernel.org> (raw)
In-Reply-To: <20260414134319.978196-1-johan@kernel.org>

Make sure to deregister the controller before disabling underlying
resources like clocks (via runtime pm) during driver unbind.

Fixes: b942d80b0a39 ("spi: Add MXIC controller driver")
Cc: stable@vger.kernel.org	# 5.0: cc53711b2191
Cc: stable@vger.kernel.org	# 5.0
Cc: Mason Yang <masonccyang@mxic.com.tw>
Signed-off-by: Johan Hovold <johan@kernel.org>
---
 drivers/spi/spi-mxic.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-mxic.c b/drivers/spi/spi-mxic.c
index f9369c69911c..b0e7fc828a50 100644
--- a/drivers/spi/spi-mxic.c
+++ b/drivers/spi/spi-mxic.c
@@ -832,9 +832,10 @@ static void mxic_spi_remove(struct platform_device *pdev)
 	struct spi_controller *host = platform_get_drvdata(pdev);
 	struct mxic_spi *mxic = spi_controller_get_devdata(host);
 
+	spi_unregister_controller(host);
+
 	pm_runtime_disable(&pdev->dev);
 	mxic_spi_mem_ecc_remove(mxic);
-	spi_unregister_controller(host);
 }
 
 static const struct of_device_id mxic_spi_of_ids[] = {
-- 
2.52.0


  parent reply	other threads:[~2026-04-14 13:45 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-14 13:43 [PATCH 0/8] spi: fix explicit controller deregistration Johan Hovold
2026-04-14 13:43 ` [PATCH 1/8] spi: cadence: fix " Johan Hovold
2026-04-14 13:43 ` [PATCH 2/8] spi: cadence-quadspi: " Johan Hovold
2026-04-14 13:43 ` [PATCH 3/8] spi: mpc52xx: " Johan Hovold
2026-04-14 13:43 ` [PATCH 4/8] spi: mpc52xx: fix use-after-free on unbind Johan Hovold
2026-04-14 13:43 ` Johan Hovold [this message]
2026-04-14 13:43 ` [PATCH 6/8] spi: orion: fix controller deregistration Johan Hovold
2026-04-14 13:43 ` [PATCH 7/8] spi: topcliff-pch: " Johan Hovold
2026-04-14 13:43 ` [PATCH 8/8] spi: topcliff-pch: fix use-after-free on unbind Johan Hovold
2026-04-20 11:40 ` [PATCH 0/8] spi: fix explicit controller deregistration Mark Brown

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