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Sat, 17 Oct 2026 23:12:13 -0700 (PDT) Date: Sat, 17 Oct 2026 23:12:10 -0700 From: Dmitry Torokhov To: Support Opensource Cc: Myeonghun Pak , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] Input: da9055_onkey - switch to using managed resources Message-ID: Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Switch the driver to use devm_input_allocate_device(), devm_delayed_work_autocancel(), and devm_request_threaded_irq() to simplify error handling in probe and drop the remove() callback (which also had a leftover broken regmap_irq_get_virq() call on an already mapped virtual IRQ). Also use input_set_capability() to advertise KEY_POWER support and drop unneeded error messages. Reported-by: Myeonghun Pak Signed-off-by: Dmitry Torokhov --- drivers/input/misc/da9055_onkey.c | 59 ++++++++----------------------- 1 file changed, 15 insertions(+), 44 deletions(-) diff --git a/drivers/input/misc/da9055_onkey.c b/drivers/input/misc/da9055_onkey.c index 3e4fc2f01011..25845106b920 100644 --- a/drivers/input/misc/da9055_onkey.c +++ b/drivers/input/misc/da9055_onkey.c @@ -7,6 +7,7 @@ * Author: David Dajun Chen */ +#include #include #include #include @@ -45,7 +46,6 @@ static void da9055_onkey_query(struct da9055_onkey *onkey) */ if (key_stat) schedule_delayed_work(&onkey->work, msecs_to_jiffies(10)); - } static void da9055_onkey_work(struct work_struct *work) @@ -80,72 +80,43 @@ static int da9055_onkey_probe(struct platform_device *pdev) return -EINVAL; onkey = devm_kzalloc(&pdev->dev, sizeof(*onkey), GFP_KERNEL); - if (!onkey) { - dev_err(&pdev->dev, "Failed to allocate memory\n"); + if (!onkey) return -ENOMEM; - } - input_dev = input_allocate_device(); - if (!input_dev) { - dev_err(&pdev->dev, "Failed to allocate memory\n"); + input_dev = devm_input_allocate_device(&pdev->dev); + if (!input_dev) return -ENOMEM; - } onkey->input = input_dev; onkey->da9055 = da9055; input_dev->name = "da9055-onkey"; input_dev->phys = "da9055-onkey/input0"; - input_dev->dev.parent = &pdev->dev; - input_dev->evbit[0] = BIT_MASK(EV_KEY); - __set_bit(KEY_POWER, input_dev->keybit); + input_set_capability(input_dev, EV_KEY, KEY_POWER); - INIT_DELAYED_WORK(&onkey->work, da9055_onkey_work); + err = devm_delayed_work_autocancel(&pdev->dev, &onkey->work, + da9055_onkey_work); + if (err) + return err; - err = request_threaded_irq(irq, NULL, da9055_onkey_irq, - IRQF_TRIGGER_HIGH | IRQF_ONESHOT, - "ONKEY", onkey); - if (err < 0) { - dev_err(&pdev->dev, - "Failed to register ONKEY IRQ %d, error = %d\n", - irq, err); - goto err_free_input; - } + err = devm_request_threaded_irq(&pdev->dev, irq, NULL, da9055_onkey_irq, + IRQF_TRIGGER_HIGH | IRQF_ONESHOT, + "ONKEY", onkey); + if (err) + return err; err = input_register_device(input_dev); if (err) { dev_err(&pdev->dev, "Unable to register input device, %d\n", err); - goto err_free_irq; + return err; } - platform_set_drvdata(pdev, onkey); - return 0; - -err_free_irq: - free_irq(irq, onkey); - cancel_delayed_work_sync(&onkey->work); -err_free_input: - input_free_device(input_dev); - - return err; -} - -static void da9055_onkey_remove(struct platform_device *pdev) -{ - struct da9055_onkey *onkey = platform_get_drvdata(pdev); - int irq = platform_get_irq_byname(pdev, "ONKEY"); - - irq = regmap_irq_get_virq(onkey->da9055->irq_data, irq); - free_irq(irq, onkey); - cancel_delayed_work_sync(&onkey->work); - input_unregister_device(onkey->input); } static struct platform_driver da9055_onkey_driver = { .probe = da9055_onkey_probe, - .remove = da9055_onkey_remove, .driver = { .name = "da9055-onkey", }, -- 2.56.0.176.g3575e65682-goog -- Dmitry