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spi: meson-spicc: fix controller deregistration

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Make sure to deregister the controller before disabling it to allow SPI
device drivers to do I/O during deregistration.

Fixes: 454fa271bc ("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>
This commit is contained in:
Johan Hovold
2026-04-09 20:08:11 +01:00
committed by Mark Brown
parent b99206710d
commit 77953c76be
1 changed files with 7 additions and 1 deletions
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drivers/spi/spi-meson-spicc.c
+7 -1
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@@ -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 = {