diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/usb.c | 40 | ||||
| -rw-r--r-- | common/usb_hub.c | 4 |
2 files changed, 28 insertions, 16 deletions
diff --git a/common/usb.c b/common/usb.c index df4e172ff8..8a3bb114ec 100644 --- a/common/usb.c +++ b/common/usb.c @@ -877,6 +877,26 @@ __weak int usb_alloc_device(struct usb_device *udev) { return 0; } + +int usb_legacy_port_reset(struct usb_device *hub, int portnr) +{ + if (hub) { + unsigned short portstatus; + int err; + + /* reset the port for the second time */ + err = legacy_hub_port_reset(hub, portnr - 1, &portstatus); + if (err < 0) { + printf("\n Couldn't reset port %i\n", portnr); + return err; + } + } else { + usb_reset_root_port(); + } + + return 0; +} + /* * By the time we get here, the device has gotten a new device ID * and is in the default state. We need to identify the thing and @@ -913,9 +933,6 @@ int usb_new_device(struct usb_device *dev) * http://sourceforge.net/mailarchive/forum.php? * thread_id=5729457&forum_id=5398 */ - __maybe_unused struct usb_device_descriptor *desc; - struct usb_device *parent = dev->parent; - unsigned short portstatus; /* * send 64-byte GET-DEVICE-DESCRIPTOR request. Since the descriptor is @@ -923,7 +940,6 @@ int usb_new_device(struct usb_device *dev) * the maxpacket size is 8 or 16 the device may be waiting to transmit * some more, or keeps on retransmitting the 8 byte header. */ - desc = (struct usb_device_descriptor *)tmpbuf; dev->descriptor.bMaxPacketSize0 = 64; /* Start off at 64 bytes */ /* Default to 64 byte max packet size */ dev->maxpacketsize = PACKET_SIZE_64; @@ -937,6 +953,9 @@ int usb_new_device(struct usb_device *dev) * of that is done for XHCI unlike EHCI. */ #ifndef CONFIG_USB_XHCI + struct usb_device_descriptor *desc; + + desc = (struct usb_device_descriptor *)tmpbuf; err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, desc, 64); /* * Validate we've received only at least 8 bytes, not that we've @@ -966,16 +985,9 @@ int usb_new_device(struct usb_device *dev) dev->descriptor.bDeviceClass = desc->bDeviceClass; #endif - if (parent) { - /* reset the port for the second time */ - err = hub_port_reset(dev->parent, dev->portnr - 1, &portstatus); - if (err < 0) { - printf("\n Couldn't reset port %i\n", dev->portnr); - return -EIO; - } - } else { - usb_reset_root_port(); - } + err = usb_legacy_port_reset(dev->parent, dev->portnr); + if (err) + return err; dev->epmaxpacketin[0] = dev->descriptor.bMaxPacketSize0; dev->epmaxpacketout[0] = dev->descriptor.bMaxPacketSize0; diff --git a/common/usb_hub.c b/common/usb_hub.c index 020cdc6605..2277e6f806 100644 --- a/common/usb_hub.c +++ b/common/usb_hub.c @@ -149,7 +149,7 @@ static inline char *portspeed(int portstatus) return speed_str; } -int hub_port_reset(struct usb_device *dev, int port, +int legacy_hub_port_reset(struct usb_device *dev, int port, unsigned short *portstat) { int tries; @@ -249,7 +249,7 @@ int usb_hub_port_connect_change(struct usb_device *dev, int port) mdelay(200); /* Reset the port */ - ret = hub_port_reset(dev, port, &portstatus); + ret = legacy_hub_port_reset(dev, port, &portstatus); if (ret < 0) { printf("cannot reset port %i!?\n", port + 1); return ret; |