diff options
author | Stephen Boyd <sboyd@codeaurora.org> | 2014-03-29 12:32:43 -0700 |
---|---|---|
committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-03-30 13:25:18 -0700 |
commit | c7f6ee264b511d8a35063e9821cf36ad18e4e4fd (patch) | |
tree | deb987e6e9a6a57661bad451da6367f7e246af91 /drivers/input/keyboard/pmic8xxx-keypad.c | |
parent | d3e6a67c7e502e8d21624c453f1d1f697e674548 (diff) |
Input: pmic8xxx-keypad - migrate to devm_* APIs
Simplify the error paths and reduce the lines of code in this
driver by using the devm_* APIs.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/keyboard/pmic8xxx-keypad.c')
-rw-r--r-- | drivers/input/keyboard/pmic8xxx-keypad.c | 61 |
1 files changed, 17 insertions, 44 deletions
diff --git a/drivers/input/keyboard/pmic8xxx-keypad.c b/drivers/input/keyboard/pmic8xxx-keypad.c index c4aa882c8fb9..bec53ebde7b2 100644 --- a/drivers/input/keyboard/pmic8xxx-keypad.c +++ b/drivers/input/keyboard/pmic8xxx-keypad.c @@ -543,7 +543,7 @@ static int pmic8xxx_kp_probe(struct platform_device *pdev) return -EINVAL; } - kp = kzalloc(sizeof(*kp), GFP_KERNEL); + kp = devm_kzalloc(&pdev->dev, sizeof(*kp), GFP_KERNEL); if (!kp) return -ENOMEM; @@ -552,32 +552,27 @@ static int pmic8xxx_kp_probe(struct platform_device *pdev) kp->pdata = pdata; kp->dev = &pdev->dev; - kp->input = input_allocate_device(); + kp->input = devm_input_allocate_device(&pdev->dev); if (!kp->input) { dev_err(&pdev->dev, "unable to allocate input device\n"); - rc = -ENOMEM; - goto err_alloc_device; + return -ENOMEM; } kp->key_sense_irq = platform_get_irq(pdev, 0); if (kp->key_sense_irq < 0) { dev_err(&pdev->dev, "unable to get keypad sense irq\n"); - rc = -ENXIO; - goto err_get_irq; + return kp->key_sense_irq; } kp->key_stuck_irq = platform_get_irq(pdev, 1); if (kp->key_stuck_irq < 0) { dev_err(&pdev->dev, "unable to get keypad stuck irq\n"); - rc = -ENXIO; - goto err_get_irq; + return kp->key_stuck_irq; } kp->input->name = pdata->input_name ? : "PMIC8XXX keypad"; kp->input->phys = pdata->input_phys_device ? : "pmic8xxx_keypad/input0"; - kp->input->dev.parent = &pdev->dev; - kp->input->id.bustype = BUS_I2C; kp->input->id.version = 0x0001; kp->input->id.product = 0x0001; @@ -591,7 +586,7 @@ static int pmic8xxx_kp_probe(struct platform_device *pdev) kp->keycodes, kp->input); if (rc) { dev_err(&pdev->dev, "failed to build keymap\n"); - goto err_get_irq; + return rc; } if (pdata->rep) @@ -607,27 +602,29 @@ static int pmic8xxx_kp_probe(struct platform_device *pdev) rc = pmic8xxx_kpd_init(kp); if (rc < 0) { dev_err(&pdev->dev, "unable to initialize keypad controller\n"); - goto err_get_irq; + return rc; } - rc = request_any_context_irq(kp->key_sense_irq, pmic8xxx_kp_irq, - IRQF_TRIGGER_RISING, "pmic-keypad", kp); + rc = devm_request_any_context_irq(&pdev->dev, kp->key_sense_irq, + pmic8xxx_kp_irq, IRQF_TRIGGER_RISING, "pmic-keypad", + kp); if (rc < 0) { dev_err(&pdev->dev, "failed to request keypad sense irq\n"); - goto err_get_irq; + return rc; } - rc = request_any_context_irq(kp->key_stuck_irq, pmic8xxx_kp_stuck_irq, - IRQF_TRIGGER_RISING, "pmic-keypad-stuck", kp); + rc = devm_request_any_context_irq(&pdev->dev, kp->key_stuck_irq, + pmic8xxx_kp_stuck_irq, IRQF_TRIGGER_RISING, + "pmic-keypad-stuck", kp); if (rc < 0) { dev_err(&pdev->dev, "failed to request keypad stuck irq\n"); - goto err_req_stuck_irq; + return rc; } rc = pmic8xxx_kp_read_u8(kp, &ctrl_val, KEYP_CTRL); if (rc < 0) { dev_err(&pdev->dev, "failed to read KEYP_CTRL register\n"); - goto err_pmic_reg_read; + return rc; } kp->ctrl_reg = ctrl_val; @@ -635,35 +632,12 @@ static int pmic8xxx_kp_probe(struct platform_device *pdev) rc = input_register_device(kp->input); if (rc < 0) { dev_err(&pdev->dev, "unable to register keypad input device\n"); - goto err_pmic_reg_read; + return rc; } device_init_wakeup(&pdev->dev, pdata->wakeup); return 0; - -err_pmic_reg_read: - free_irq(kp->key_stuck_irq, kp); -err_req_stuck_irq: - free_irq(kp->key_sense_irq, kp); -err_get_irq: - input_free_device(kp->input); -err_alloc_device: - kfree(kp); - return rc; -} - -static int pmic8xxx_kp_remove(struct platform_device *pdev) -{ - struct pmic8xxx_kp *kp = platform_get_drvdata(pdev); - - device_init_wakeup(&pdev->dev, 0); - free_irq(kp->key_stuck_irq, kp); - free_irq(kp->key_sense_irq, kp); - input_unregister_device(kp->input); - kfree(kp); - - return 0; } #ifdef CONFIG_PM_SLEEP @@ -713,7 +687,6 @@ static SIMPLE_DEV_PM_OPS(pm8xxx_kp_pm_ops, static struct platform_driver pmic8xxx_kp_driver = { .probe = pmic8xxx_kp_probe, - .remove = pmic8xxx_kp_remove, .driver = { .name = PM8XXX_KEYPAD_DEV_NAME, .owner = THIS_MODULE, |