diff options
Diffstat (limited to 'drivers/usb/phy/phy-isp1301.c')
| -rw-r--r-- | drivers/usb/phy/phy-isp1301.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/usb/phy/phy-isp1301.c b/drivers/usb/phy/phy-isp1301.c index 18dbf7e37607..5e0f14369145 100644 --- a/drivers/usb/phy/phy-isp1301.c +++ b/drivers/usb/phy/phy-isp1301.c @@ -11,10 +11,19 @@ */ #include <linux/module.h> +#include <linux/mutex.h> #include <linux/i2c.h> +#include <linux/usb/phy.h> #define DRV_NAME "isp1301" +struct isp1301 { + struct usb_phy phy; + struct mutex mutex; + + struct i2c_client *client; +}; + static const struct i2c_device_id isp1301_id[] = { { "isp1301", 0 }, { } @@ -25,12 +34,35 @@ static struct i2c_client *isp1301_i2c_client; static int isp1301_probe(struct i2c_client *client, const struct i2c_device_id *i2c_id) { + struct isp1301 *isp; + struct usb_phy *phy; + + isp = devm_kzalloc(&client->dev, sizeof(*isp), GFP_KERNEL); + if (!isp) + return -ENOMEM; + + isp->client = client; + mutex_init(&isp->mutex); + + phy = &isp->phy; + phy->label = DRV_NAME; + phy->type = USB_PHY_TYPE_USB2; + + i2c_set_clientdata(client, isp); + usb_add_phy_dev(phy); + isp1301_i2c_client = client; + return 0; } static int isp1301_remove(struct i2c_client *client) { + struct isp1301 *isp = i2c_get_clientdata(client); + + usb_remove_phy(&isp->phy); + isp1301_i2c_client = NULL; + return 0; } |