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path: root/drivers/spi/spi-mt7621.c
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Diffstat (limited to 'drivers/spi/spi-mt7621.c')
-rw-r--r--drivers/spi/spi-mt7621.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/spi/spi-mt7621.c b/drivers/spi/spi-mt7621.c
index 2c3b7a2a1ec7..b4b9b7309b5e 100644
--- a/drivers/spi/spi-mt7621.c
+++ b/drivers/spi/spi-mt7621.c
@@ -350,9 +350,10 @@ static int mt7621_spi_probe(struct platform_device *pdev)
if (status)
return status;
- master = spi_alloc_master(&pdev->dev, sizeof(*rs));
+ master = devm_spi_alloc_master(&pdev->dev, sizeof(*rs));
if (!master) {
dev_info(&pdev->dev, "master allocation failed\n");
+ clk_disable_unprepare(clk);
return -ENOMEM;
}
@@ -377,10 +378,15 @@ static int mt7621_spi_probe(struct platform_device *pdev)
ret = device_reset(&pdev->dev);
if (ret) {
dev_err(&pdev->dev, "SPI reset failed!\n");
+ clk_disable_unprepare(clk);
return ret;
}
- return devm_spi_register_controller(&pdev->dev, master);
+ ret = spi_register_controller(master);
+ if (ret)
+ clk_disable_unprepare(clk);
+
+ return ret;
}
static int mt7621_spi_remove(struct platform_device *pdev)
@@ -391,6 +397,7 @@ static int mt7621_spi_remove(struct platform_device *pdev)
master = dev_get_drvdata(&pdev->dev);
rs = spi_controller_get_devdata(master);
+ spi_unregister_controller(master);
clk_disable_unprepare(rs->clk);
return 0;