From: <gregkh@linuxfoundation.org>
To: johan@kernel.org,broonie@kernel.org,neil.armstrong@linaro.org
Cc: <stable@vger.kernel.org>
Subject: FAILED: patch "[PATCH] spi: meson-spicc: fix controller deregistration" failed to apply to 6.1-stable tree
Date: Fri, 15 May 2026 07:31:54 +0200 [thread overview]
Message-ID: <2026051554-playing-earmuff-72d0@gregkh> (raw)
The patch below does not apply to the 6.1-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-6.1.y
git checkout FETCH_HEAD
git cherry-pick -x 77953c76bec9af4191f8692a10225dd816208718
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2026051554-playing-earmuff-72d0@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^..
Possible dependencies:
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 77953c76bec9af4191f8692a10225dd816208718 Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@kernel.org>
Date: Thu, 9 Apr 2026 14:04:16 +0200
Subject: [PATCH] spi: meson-spicc: fix controller deregistration
Make sure to deregister the controller before disabling it to allow SPI
device drivers to do I/O during deregistration.
Fixes: 454fa271bc4e ("spi: Add Meson SPICC driver")
Cc: stable@vger.kernel.org # 4.13
Cc: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20260409120419.388546-18-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/spi/spi-meson-spicc.c b/drivers/spi/spi-meson-spicc.c
index 57768da3205d..b80f9f457b66 100644
--- a/drivers/spi/spi-meson-spicc.c
+++ b/drivers/spi/spi-meson-spicc.c
@@ -1081,7 +1081,7 @@ static int meson_spicc_probe(struct platform_device *pdev)
}
}
- ret = devm_spi_register_controller(&pdev->dev, host);
+ ret = spi_register_controller(host);
if (ret) {
dev_err(&pdev->dev, "spi registration failed\n");
goto out_host;
@@ -1099,8 +1099,14 @@ static void meson_spicc_remove(struct platform_device *pdev)
{
struct meson_spicc_device *spicc = platform_get_drvdata(pdev);
+ spi_controller_get(spicc->host);
+
+ spi_unregister_controller(spicc->host);
+
/* Disable SPI */
writel(0, spicc->base + SPICC_CONREG);
+
+ spi_controller_put(spicc->host);
}
static const struct meson_spicc_data meson_spicc_gx_data = {
reply other threads:[~2026-05-15 5:32 UTC|newest]
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