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path: root/drivers/usb/gadget/pxa27x_udc.c
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Diffstat (limited to 'drivers/usb/gadget/pxa27x_udc.c')
-rw-r--r--drivers/usb/gadget/pxa27x_udc.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
index 98acb3ab9e17..644b4305cb99 100644
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ b/drivers/usb/gadget/pxa27x_udc.c
@@ -13,6 +13,7 @@
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/errno.h>
+#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/list.h>
@@ -1573,7 +1574,7 @@ static int should_enable_udc(struct pxa_udc *udc)
int put_on;
put_on = ((udc->pullup_on) && (udc->driver));
- put_on &= ((udc->vbus_sensed) || (!udc->transceiver));
+ put_on &= ((udc->vbus_sensed) || (IS_ERR_OR_NULL(udc->transceiver)));
return put_on;
}
@@ -1594,7 +1595,7 @@ static int should_disable_udc(struct pxa_udc *udc)
int put_off;
put_off = ((!udc->pullup_on) || (!udc->driver));
- put_off |= ((!udc->vbus_sensed) && (udc->transceiver));
+ put_off |= ((!udc->vbus_sensed) && (!IS_ERR_OR_NULL(udc->transceiver)));
return put_off;
}
@@ -1665,7 +1666,7 @@ static int pxa_udc_vbus_draw(struct usb_gadget *_gadget, unsigned mA)
struct pxa_udc *udc;
udc = to_gadget_udc(_gadget);
- if (udc->transceiver)
+ if (!IS_ERR_OR_NULL(udc->transceiver))
return usb_phy_set_power(udc->transceiver, mA);
return -EOPNOTSUPP;
}
@@ -1834,7 +1835,7 @@ static int pxa27x_udc_start(struct usb_gadget_driver *driver,
dev_dbg(udc->dev, "registered gadget driver '%s'\n",
driver->driver.name);
- if (udc->transceiver) {
+ if (!IS_ERR_OR_NULL(udc->transceiver)) {
retval = otg_set_peripheral(udc->transceiver->otg,
&udc->gadget);
if (retval) {
@@ -1908,7 +1909,7 @@ static int pxa27x_udc_stop(struct usb_gadget_driver *driver)
dev_info(udc->dev, "unregistered gadget driver '%s'\n",
driver->driver.name);
- if (udc->transceiver)
+ if (!IS_ERR_OR_NULL(udc->transceiver))
return otg_set_peripheral(udc->transceiver->otg, NULL);
return 0;
}
@@ -2464,7 +2465,7 @@ static int __init pxa_udc_probe(struct platform_device *pdev)
udc->dev = &pdev->dev;
udc->mach = pdev->dev.platform_data;
- udc->transceiver = usb_get_transceiver();
+ udc->transceiver = usb_get_phy(USB_PHY_TYPE_USB2);
gpio = udc->mach->gpio_pullup;
if (gpio_is_valid(gpio)) {
@@ -2543,7 +2544,7 @@ static int __exit pxa_udc_remove(struct platform_device *_dev)
if (gpio_is_valid(gpio))
gpio_free(gpio);
- usb_put_transceiver(udc->transceiver);
+ usb_put_phy(udc->transceiver);
udc->transceiver = NULL;
platform_set_drvdata(_dev, NULL);