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path: root/drivers/w1
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Diffstat (limited to 'drivers/w1')
-rw-r--r--drivers/w1/masters/ds1wm.c2
-rw-r--r--drivers/w1/masters/omap_hdq.c3
-rw-r--r--drivers/w1/masters/w1-gpio.c35
3 files changed, 17 insertions, 23 deletions
diff --git a/drivers/w1/masters/ds1wm.c b/drivers/w1/masters/ds1wm.c
index 96cab6ac2b4..41613f92a72 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 6e94d8dd3d0..9900e8ec739 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 f54ece268c9..264ad1c583a 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;
}