From 4b080e3b2fda181817059dde10622e7cb4f85b02 Mon Sep 17 00:00:00 2001 From: Pramod Gurav Date: Wed, 30 Jul 2014 22:13:58 -0700 Subject: [PATCH] Input: jornada720_ts - switch to using managed resources This switches the driver to using managed resources to simplify error handling and to do away with remove function. Signed-off-by: Pramod Gurav Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/jornada720_ts.c | 45 +++++++---------------- 1 file changed, 13 insertions(+), 32 deletions(-) diff --git a/drivers/input/touchscreen/jornada720_ts.c b/drivers/input/touchscreen/jornada720_ts.c index 7324c5c0fb86..62af48bbcc27 100644 --- a/drivers/input/touchscreen/jornada720_ts.c +++ b/drivers/input/touchscreen/jornada720_ts.c @@ -104,13 +104,13 @@ static int jornada720_ts_probe(struct platform_device *pdev) struct input_dev *input_dev; int error; - jornada_ts = kzalloc(sizeof(struct jornada_ts), GFP_KERNEL); - input_dev = input_allocate_device(); + jornada_ts = devm_kzalloc(&pdev->dev, sizeof(*jornada_ts), GFP_KERNEL); + if (!jornada_ts) + return -ENOMEM; - if (!jornada_ts || !input_dev) { - error = -ENOMEM; - goto fail1; - } + input_dev = devm_input_allocate_device(&pdev->dev); + if (!input_dev) + return -ENOMEM; platform_set_drvdata(pdev, jornada_ts); @@ -126,36 +126,18 @@ static int jornada720_ts_probe(struct platform_device *pdev) input_set_abs_params(input_dev, ABS_X, 270, 3900, 0, 0); input_set_abs_params(input_dev, ABS_Y, 180, 3700, 0, 0); - error = request_irq(IRQ_GPIO9, - jornada720_ts_interrupt, - IRQF_TRIGGER_RISING, - "HP7XX Touchscreen driver", pdev); + error = devm_request_irq(&pdev->dev, IRQ_GPIO9, + jornada720_ts_interrupt, + IRQF_TRIGGER_RISING, + "HP7XX Touchscreen driver", pdev); if (error) { - printk(KERN_INFO "HP7XX TS : Unable to acquire irq!\n"); - goto fail1; + dev_err(&pdev->dev, "HP7XX TS : Unable to acquire irq!\n"); + return error; } error = input_register_device(jornada_ts->dev); if (error) - goto fail2; - - return 0; - - fail2: - free_irq(IRQ_GPIO9, pdev); - fail1: - input_free_device(input_dev); - kfree(jornada_ts); - return error; -} - -static int jornada720_ts_remove(struct platform_device *pdev) -{ - struct jornada_ts *jornada_ts = platform_get_drvdata(pdev); - - free_irq(IRQ_GPIO9, pdev); - input_unregister_device(jornada_ts->dev); - kfree(jornada_ts); + return error; return 0; } @@ -165,7 +147,6 @@ MODULE_ALIAS("platform:jornada_ts"); static struct platform_driver jornada720_ts_driver = { .probe = jornada720_ts_probe, - .remove = jornada720_ts_remove, .driver = { .name = "jornada_ts", .owner = THIS_MODULE, -- 2.20.1