diff options
| author | J. Bruce Fields <bfields@citi.umich.edu> | 2009-08-21 11:27:29 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2009-08-21 11:27:29 -0400 |
| commit | e9dc122166b8d863d3057a66ada04838e5548e52 (patch) | |
| tree | 749e15bf719b64bf9113db7acd8e043d9742cb26 /drivers/usb/musb/musb_host.c | |
| parent | 560ab42ef923aaf2e4347315bdfcc74b2708972c (diff) | |
| parent | 405d8f8b1d936414da2093d4149ff790ff3f84a5 (diff) | |
Merge branch 'nfs-for-2.6.32' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6 into for-2.6.32-incoming
Conflicts:
net/sunrpc/cache.c
Diffstat (limited to 'drivers/usb/musb/musb_host.c')
| -rw-r--r-- | drivers/usb/musb/musb_host.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 94a2a350a414..cf94511485f2 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -373,7 +373,7 @@ static void musb_advance_schedule(struct musb *musb, struct urb *urb, musb_save_toggle(qh, is_in, urb); break; case USB_ENDPOINT_XFER_ISOC: - if (urb->error_count) + if (status == 0 && urb->error_count) status = -EXDEV; break; } @@ -2235,13 +2235,30 @@ static void musb_h_stop(struct usb_hcd *hcd) static int musb_bus_suspend(struct usb_hcd *hcd) { struct musb *musb = hcd_to_musb(hcd); + u8 devctl; - if (musb->xceiv->state == OTG_STATE_A_SUSPEND) + if (!is_host_active(musb)) return 0; - if (is_host_active(musb) && musb->is_active) { - WARNING("trying to suspend as %s is_active=%i\n", - otg_state_string(musb), musb->is_active); + switch (musb->xceiv->state) { + case OTG_STATE_A_SUSPEND: + return 0; + case OTG_STATE_A_WAIT_VRISE: + /* ID could be grounded even if there's no device + * on the other end of the cable. NOTE that the + * A_WAIT_VRISE timers are messy with MUSB... + */ + devctl = musb_readb(musb->mregs, MUSB_DEVCTL); + if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS) + musb->xceiv->state = OTG_STATE_A_WAIT_BCON; + break; + default: + break; + } + + if (musb->is_active) { + WARNING("trying to suspend as %s while active\n", + otg_state_string(musb)); return -EBUSY; } else return 0; |