diff options
Diffstat (limited to 'drivers/w1')
-rw-r--r-- | drivers/w1/masters/ds1wm.c | 2 | ||||
-rw-r--r-- | drivers/w1/masters/omap_hdq.c | 3 | ||||
-rw-r--r-- | drivers/w1/masters/w1-gpio.c | 35 |
3 files changed, 17 insertions, 23 deletions
diff --git a/drivers/w1/masters/ds1wm.c b/drivers/w1/masters/ds1wm.c index 96cab6ac2b4e..41613f92a723 100644 --- a/drivers/w1/masters/ds1wm.c +++ b/drivers/w1/masters/ds1wm.c @@ -498,7 +498,7 @@ static int ds1wm_probe(struct platform_device *pdev) irq_set_irq_type(ds1wm_data->irq, IRQ_TYPE_EDGE_FALLING); ret = devm_request_irq(&pdev->dev, ds1wm_data->irq, ds1wm_isr, - IRQF_DISABLED | IRQF_SHARED, "ds1wm", ds1wm_data); + IRQF_SHARED, "ds1wm", ds1wm_data); if (ret) return ret; diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c index 6e94d8dd3d00..9900e8ec7393 100644 --- a/drivers/w1/masters/omap_hdq.c +++ b/drivers/w1/masters/omap_hdq.c @@ -577,8 +577,7 @@ static int omap_hdq_probe(struct platform_device *pdev) goto err_irq; } - ret = devm_request_irq(dev, irq, hdq_isr, IRQF_DISABLED, - "omap_hdq", hdq_data); + ret = devm_request_irq(dev, irq, hdq_isr, 0, "omap_hdq", hdq_data); if (ret < 0) { dev_dbg(&pdev->dev, "could not request irq\n"); goto err_irq; diff --git a/drivers/w1/masters/w1-gpio.c b/drivers/w1/masters/w1-gpio.c index f54ece268c98..264ad1c583ab 100644 --- a/drivers/w1/masters/w1-gpio.c +++ b/drivers/w1/masters/w1-gpio.c @@ -58,6 +58,7 @@ static int w1_gpio_probe_dt(struct platform_device *pdev) { struct w1_gpio_platform_data *pdata = pdev->dev.platform_data; struct device_node *np = pdev->dev.of_node; + int gpio; pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) @@ -66,7 +67,11 @@ static int w1_gpio_probe_dt(struct platform_device *pdev) if (of_get_property(np, "linux,open-drain", NULL)) pdata->is_open_drain = 1; - pdata->pin = of_get_gpio(np, 0); + gpio = of_get_gpio(np, 0); + if (gpio < 0) + return gpio; + pdata->pin = gpio; + pdata->ext_pullup_enable_pin = of_get_gpio(np, 1); pdev->dev.platform_data = pdata; @@ -94,25 +99,27 @@ static int w1_gpio_probe(struct platform_device *pdev) return -ENXIO; } - master = kzalloc(sizeof(struct w1_bus_master), GFP_KERNEL); + master = devm_kzalloc(&pdev->dev, sizeof(struct w1_bus_master), + GFP_KERNEL); if (!master) { dev_err(&pdev->dev, "Out of memory\n"); return -ENOMEM; } - err = gpio_request(pdata->pin, "w1"); + err = devm_gpio_request(&pdev->dev, pdata->pin, "w1"); if (err) { dev_err(&pdev->dev, "gpio_request (pin) failed\n"); - goto free_master; + return err; } if (gpio_is_valid(pdata->ext_pullup_enable_pin)) { - err = gpio_request_one(pdata->ext_pullup_enable_pin, - GPIOF_INIT_LOW, "w1 pullup"); + err = devm_gpio_request_one(&pdev->dev, + pdata->ext_pullup_enable_pin, GPIOF_INIT_LOW, + "w1 pullup"); if (err < 0) { dev_err(&pdev->dev, "gpio_request_one " "(ext_pullup_enable_pin) failed\n"); - goto free_gpio; + return err; } } @@ -130,7 +137,7 @@ static int w1_gpio_probe(struct platform_device *pdev) err = w1_add_master_device(master); if (err) { dev_err(&pdev->dev, "w1_add_master device failed\n"); - goto free_gpio_ext_pu; + return err; } if (pdata->enable_external_pullup) @@ -142,16 +149,6 @@ static int w1_gpio_probe(struct platform_device *pdev) platform_set_drvdata(pdev, master); return 0; - - free_gpio_ext_pu: - if (gpio_is_valid(pdata->ext_pullup_enable_pin)) - gpio_free(pdata->ext_pullup_enable_pin); - free_gpio: - gpio_free(pdata->pin); - free_master: - kfree(master); - - return err; } static int w1_gpio_remove(struct platform_device *pdev) @@ -166,8 +163,6 @@ static int w1_gpio_remove(struct platform_device *pdev) gpio_set_value(pdata->ext_pullup_enable_pin, 0); w1_remove_master_device(master); - gpio_free(pdata->pin); - kfree(master); return 0; } |