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path: root/drivers/mfd/intel_quark_i2c_gpio.c
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Diffstat (limited to 'drivers/mfd/intel_quark_i2c_gpio.c')
-rw-r--r--drivers/mfd/intel_quark_i2c_gpio.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/mfd/intel_quark_i2c_gpio.c b/drivers/mfd/intel_quark_i2c_gpio.c
index bdc5e27222c0..7450f5d8770c 100644
--- a/drivers/mfd/intel_quark_i2c_gpio.c
+++ b/drivers/mfd/intel_quark_i2c_gpio.c
@@ -139,6 +139,7 @@ static int intel_quark_register_i2c_clk(struct intel_quark_mfd *quark_mfd)
INTEL_QUARK_I2C_CONTROLLER_CLK);
if (!quark_mfd->i2c_clk_lookup) {
+ clk_unregister(quark_mfd->i2c_clk);
dev_err(&pdev->dev, "Fixed clk register failed\n");
return -ENOMEM;
}
@@ -150,7 +151,7 @@ static void intel_quark_unregister_i2c_clk(struct pci_dev *pdev)
{
struct intel_quark_mfd *quark_mfd = dev_get_drvdata(&pdev->dev);
- if (!quark_mfd->i2c_clk || !quark_mfd->i2c_clk_lookup)
+ if (!quark_mfd->i2c_clk_lookup)
return;
clkdev_drop(quark_mfd->i2c_clk_lookup);
@@ -246,25 +247,33 @@ static int intel_quark_mfd_probe(struct pci_dev *pdev,
quark_mfd = devm_kzalloc(&pdev->dev, sizeof(*quark_mfd), GFP_KERNEL);
if (!quark_mfd)
return -ENOMEM;
+
quark_mfd->pdev = pdev;
+ dev_set_drvdata(&pdev->dev, quark_mfd);
ret = intel_quark_register_i2c_clk(quark_mfd);
if (ret)
return ret;
- dev_set_drvdata(&pdev->dev, quark_mfd);
-
ret = intel_quark_i2c_setup(pdev, &intel_quark_mfd_cells[1]);
if (ret)
- return ret;
+ goto err_unregister_i2c_clk;
ret = intel_quark_gpio_setup(pdev, &intel_quark_mfd_cells[0]);
if (ret)
- return ret;
+ goto err_unregister_i2c_clk;
- return mfd_add_devices(&pdev->dev, 0, intel_quark_mfd_cells,
- ARRAY_SIZE(intel_quark_mfd_cells), NULL, 0,
- NULL);
+ ret = mfd_add_devices(&pdev->dev, 0, intel_quark_mfd_cells,
+ ARRAY_SIZE(intel_quark_mfd_cells), NULL, 0,
+ NULL);
+ if (ret)
+ goto err_unregister_i2c_clk;
+
+ return 0;
+
+err_unregister_i2c_clk:
+ intel_quark_unregister_i2c_clk(pdev);
+ return ret;
}
static void intel_quark_mfd_remove(struct pci_dev *pdev)