diff options
Diffstat (limited to 'drivers/usb/gadget/udc/renesas_usb3.c')
| -rw-r--r-- | drivers/usb/gadget/udc/renesas_usb3.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index ade0723787e5..e5355ede2c46 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -352,6 +352,7 @@ struct renesas_usb3 { bool extcon_host; /* check id and set EXTCON_USB_HOST */ bool extcon_usb; /* check vbus and set EXTCON_USB */ bool forced_b_device; + bool start_to_connect; }; #define gadget_to_renesas_usb3(_gadget) \ @@ -470,7 +471,8 @@ static void usb3_init_axi_bridge(struct renesas_usb3 *usb3) static void usb3_init_epc_registers(struct renesas_usb3 *usb3) { usb3_write(usb3, ~0, USB3_USB_INT_STA_1); - usb3_enable_irq_1(usb3, USB_INT_1_VBUS_CNG); + if (!usb3->workaround_for_vbus) + usb3_enable_irq_1(usb3, USB_INT_1_VBUS_CNG); } static bool usb3_wakeup_usb2_phy(struct renesas_usb3 *usb3) @@ -676,8 +678,7 @@ static void usb3_mode_config(struct renesas_usb3 *usb3, bool host, bool a_dev) usb3_set_mode(usb3, host); usb3_vbus_out(usb3, a_dev); /* for A-Peripheral or forced B-device mode */ - if ((!host && a_dev) || - (usb3->workaround_for_vbus && usb3->forced_b_device)) + if ((!host && a_dev) || usb3->start_to_connect) usb3_connect(usb3); spin_unlock_irqrestore(&usb3->lock, flags); } @@ -2369,7 +2370,11 @@ static ssize_t renesas_usb3_b_device_write(struct file *file, if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) return -EFAULT; - if (!strncmp(buf, "1", 1)) + usb3->start_to_connect = false; + if (usb3->workaround_for_vbus && usb3->forced_b_device && + !strncmp(buf, "2", 1)) + usb3->start_to_connect = true; + else if (!strncmp(buf, "1", 1)) usb3->forced_b_device = true; else usb3->forced_b_device = false; @@ -2377,7 +2382,7 @@ static ssize_t renesas_usb3_b_device_write(struct file *file, if (usb3->workaround_for_vbus) usb3_disconnect(usb3); - /* Let this driver call usb3_connect() anyway */ + /* Let this driver call usb3_connect() if needed */ usb3_check_id(usb3); return count; |