diff options
| author | Tom Rini <trini@ti.com> | 2015-01-20 10:20:13 -0500 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2015-01-20 10:20:13 -0500 |
| commit | b44a414959e3a32576a243aaa4966c1a9565ccfa (patch) | |
| tree | 96308baa495f95e394013cba467055a83b4b0d8d /common/usb.c | |
| parent | b9315890f62a05af74a78daf98b55f0268297cbf (diff) | |
| parent | 119339759266b81af1aa8883702b6b651d7752dd (diff) | |
Merge branch 'master' of git://git.denx.de/u-boot-usb
Diffstat (limited to 'common/usb.c')
| -rw-r--r-- | common/usb.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/common/usb.c b/common/usb.c index 736cd9f0095..32e15cd8ddb 100644 --- a/common/usb.c +++ b/common/usb.c @@ -59,6 +59,7 @@ int usb_init(void) void *ctrl; struct usb_device *dev; int i, start_index = 0; + int controllers_initialized = 0; int ret; dev_index = 0; @@ -78,6 +79,7 @@ int usb_init(void) ret = usb_lowlevel_init(i, USB_INIT_HOST, &ctrl); if (ret == -ENODEV) { /* No such device. */ puts("Port not available.\n"); + controllers_initialized++; continue; } @@ -89,6 +91,7 @@ int usb_init(void) * lowlevel init is OK, now scan the bus for devices * i.e. search HUBs and configure them */ + controllers_initialized++; start_index = dev_index; printf("scanning bus %d for devices... ", i); dev = usb_alloc_new_device(ctrl); @@ -110,12 +113,10 @@ int usb_init(void) debug("scan end\n"); /* if we were not able to find at least one working bus, bail out */ - if (!usb_started) { + if (controllers_initialized == 0) puts("USB error: all controllers failed lowlevel init\n"); - return -1; - } - return 0; + return usb_started ? 0 : -1; } /****************************************************************************** @@ -969,6 +970,8 @@ int usb_new_device(struct usb_device *dev) printf("\n Couldn't reset port %i\n", dev->portnr); return 1; } + } else { + usb_reset_root_port(); } #endif |