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path: root/drivers/usb/phy/phy-tahvo.c
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Diffstat (limited to 'drivers/usb/phy/phy-tahvo.c')
-rw-r--r--drivers/usb/phy/phy-tahvo.c33
1 files changed, 9 insertions, 24 deletions
diff --git a/drivers/usb/phy/phy-tahvo.c b/drivers/usb/phy/phy-tahvo.c
index 0981abc3d1ad..88607d0edb01 100644
--- a/drivers/usb/phy/phy-tahvo.c
+++ b/drivers/usb/phy/phy-tahvo.c
@@ -18,6 +18,7 @@
#include <linux/extcon-provider.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/string_choices.h>
#include <linux/usb/otg.h>
#include <linux/mfd/retu.h>
#include <linux/usb/gadget.h>
@@ -63,7 +64,7 @@ static ssize_t vbus_show(struct device *device,
struct device_attribute *attr, char *buf)
{
struct tahvo_usb *tu = dev_get_drvdata(device);
- return sprintf(buf, "%s\n", tu->vbus_state ? "on" : "off");
+ return sprintf(buf, "%s\n", str_on_off(tu->vbus_state));
}
static DEVICE_ATTR_RO(vbus);
@@ -194,8 +195,6 @@ static int tahvo_usb_set_host(struct usb_otg *otg, struct usb_bus *host)
struct tahvo_usb *tu = container_of(otg->usb_phy, struct tahvo_usb,
phy);
- dev_dbg(&tu->pt_dev->dev, "%s %p\n", __func__, host);
-
mutex_lock(&tu->serialize);
if (host == NULL) {
@@ -224,8 +223,6 @@ static int tahvo_usb_set_peripheral(struct usb_otg *otg,
struct tahvo_usb *tu = container_of(otg->usb_phy, struct tahvo_usb,
phy);
- dev_dbg(&tu->pt_dev->dev, "%s %p\n", __func__, gadget);
-
mutex_lock(&tu->serialize);
if (!gadget) {
@@ -312,15 +309,12 @@ static ssize_t otg_mode_store(struct device *device,
}
static DEVICE_ATTR_RW(otg_mode);
-static struct attribute *tahvo_attributes[] = {
+static struct attribute *tahvo_attrs[] = {
&dev_attr_vbus.attr,
&dev_attr_otg_mode.attr,
NULL
};
-
-static const struct attribute_group tahvo_attr_group = {
- .attrs = tahvo_attributes,
-};
+ATTRIBUTE_GROUPS(tahvo);
static int tahvo_usb_probe(struct platform_device *pdev)
{
@@ -396,7 +390,9 @@ static int tahvo_usb_probe(struct platform_device *pdev)
dev_set_drvdata(&pdev->dev, tu);
- tu->irq = platform_get_irq(pdev, 0);
+ tu->irq = ret = platform_get_irq(pdev, 0);
+ if (ret < 0)
+ goto err_remove_phy;
ret = request_threaded_irq(tu->irq, NULL, tahvo_usb_vbus_interrupt,
IRQF_ONESHOT,
"tahvo-vbus", tu);
@@ -406,17 +402,8 @@ static int tahvo_usb_probe(struct platform_device *pdev)
goto err_remove_phy;
}
- /* Attributes */
- ret = sysfs_create_group(&pdev->dev.kobj, &tahvo_attr_group);
- if (ret) {
- dev_err(&pdev->dev, "cannot create sysfs group: %d\n", ret);
- goto err_free_irq;
- }
-
return 0;
-err_free_irq:
- free_irq(tu->irq, tu);
err_remove_phy:
usb_remove_phy(&tu->phy);
err_disable_clk:
@@ -426,17 +413,14 @@ err_disable_clk:
return ret;
}
-static int tahvo_usb_remove(struct platform_device *pdev)
+static void tahvo_usb_remove(struct platform_device *pdev)
{
struct tahvo_usb *tu = platform_get_drvdata(pdev);
- sysfs_remove_group(&pdev->dev.kobj, &tahvo_attr_group);
free_irq(tu->irq, tu);
usb_remove_phy(&tu->phy);
if (!IS_ERR(tu->ick))
clk_disable(tu->ick);
-
- return 0;
}
static struct platform_driver tahvo_usb_driver = {
@@ -444,6 +428,7 @@ static struct platform_driver tahvo_usb_driver = {
.remove = tahvo_usb_remove,
.driver = {
.name = "tahvo-usb",
+ .dev_groups = tahvo_groups,
},
};
module_platform_driver(tahvo_usb_driver);