diff options
Diffstat (limited to 'drivers/mfd/intel_quark_i2c_gpio.c')
-rw-r--r-- | drivers/mfd/intel_quark_i2c_gpio.c | 47 |
1 files changed, 28 insertions, 19 deletions
diff --git a/drivers/mfd/intel_quark_i2c_gpio.c b/drivers/mfd/intel_quark_i2c_gpio.c index a24b35fc2b5b..7946d6e38b87 100644 --- a/drivers/mfd/intel_quark_i2c_gpio.c +++ b/drivers/mfd/intel_quark_i2c_gpio.c @@ -53,7 +53,7 @@ #define INTEL_QUARK_I2C_CLK_HZ 33000000 struct intel_quark_mfd { - struct pci_dev *pdev; + struct device *dev; struct clk *i2c_clk; struct clk_lookup *i2c_clk_lookup; }; @@ -123,14 +123,14 @@ static const struct pci_device_id intel_quark_mfd_ids[] = { }; MODULE_DEVICE_TABLE(pci, intel_quark_mfd_ids); -static int intel_quark_register_i2c_clk(struct intel_quark_mfd *quark_mfd) +static int intel_quark_register_i2c_clk(struct device *dev) { - struct pci_dev *pdev = quark_mfd->pdev; + struct intel_quark_mfd *quark_mfd = dev_get_drvdata(dev); struct clk *i2c_clk; - i2c_clk = clk_register_fixed_rate(&pdev->dev, + i2c_clk = clk_register_fixed_rate(dev, INTEL_QUARK_I2C_CONTROLLER_CLK, NULL, - CLK_IS_ROOT, INTEL_QUARK_I2C_CLK_HZ); + 0, INTEL_QUARK_I2C_CLK_HZ); if (IS_ERR(i2c_clk)) return PTR_ERR(i2c_clk); @@ -139,18 +139,19 @@ static int intel_quark_register_i2c_clk(struct intel_quark_mfd *quark_mfd) INTEL_QUARK_I2C_CONTROLLER_CLK); if (!quark_mfd->i2c_clk_lookup) { - dev_err(&pdev->dev, "Fixed clk register failed\n"); + clk_unregister(quark_mfd->i2c_clk); + dev_err(dev, "Fixed clk register failed\n"); return -ENOMEM; } return 0; } -static void intel_quark_unregister_i2c_clk(struct pci_dev *pdev) +static void intel_quark_unregister_i2c_clk(struct device *dev) { - struct intel_quark_mfd *quark_mfd = dev_get_drvdata(&pdev->dev); + struct intel_quark_mfd *quark_mfd = dev_get_drvdata(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); @@ -245,30 +246,38 @@ 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; - ret = intel_quark_register_i2c_clk(quark_mfd); + quark_mfd->dev = &pdev->dev; + dev_set_drvdata(&pdev->dev, quark_mfd); + + ret = intel_quark_register_i2c_clk(&pdev->dev); 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; + + 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; - return mfd_add_devices(&pdev->dev, 0, intel_quark_mfd_cells, - ARRAY_SIZE(intel_quark_mfd_cells), NULL, 0, - NULL); +err_unregister_i2c_clk: + intel_quark_unregister_i2c_clk(&pdev->dev); + return ret; } static void intel_quark_mfd_remove(struct pci_dev *pdev) { - intel_quark_unregister_i2c_clk(pdev); + intel_quark_unregister_i2c_clk(&pdev->dev); mfd_remove_devices(&pdev->dev); } |