diff options
Diffstat (limited to 'target/linux/adm5120/files/drivers/usb/host/adm5120-q.c')
| -rw-r--r-- | target/linux/adm5120/files/drivers/usb/host/adm5120-q.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-q.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-q.c index d7d9e67ded..cd9c8920af 100644 --- a/target/linux/adm5120/files/drivers/usb/host/adm5120-q.c +++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-q.c @@ -14,6 +14,7 @@ */ #include <linux/irq.h> +#include <linux/slab.h> /*-------------------------------------------------------------------------*/ @@ -300,7 +301,7 @@ static struct ed *ed_get(struct admhcd *ahcd, struct usb_host_endpoint *ep, u32 info; /* FIXME: usbcore changes dev->devnum before SET_ADDRESS - * suceeds ... otherwise we wouldn't need "pipe". + * succeeds ... otherwise we wouldn't need "pipe". */ info = usb_pipedevice(pipe); info |= (ep->desc.bEndpointAddress & ~USB_DIR_IN) << ED_EN_SHIFT; @@ -634,8 +635,7 @@ static int td_done(struct admhcd *ahcd, struct urb *urb, struct td *td) /*-------------------------------------------------------------------------*/ -static inline void -ed_halted(struct admhcd *ahcd, struct td *td, int cc, struct td *rev) +static void ed_halted(struct admhcd *ahcd, struct td *td, int cc) { struct urb *urb = td->urb; struct urb_priv *urb_priv = urb->hcpriv; @@ -764,6 +764,7 @@ rescan_this: struct urb *urb; struct urb_priv *urb_priv; __hc32 savebits; + u32 tdINFO; int status; td = list_entry(entry, struct td, td_list); @@ -781,6 +782,16 @@ rescan_this: /* patch pointer hc uses */ savebits = *prev & ~cpu_to_hc32(ahcd, TD_MASK); *prev = td->hwNextTD | savebits; + /* If this was unlinked, the TD may not have been + * retired ... so manually save dhe data toggle. + * The controller ignores the value we save for + * control and ISO endpoints. + */ + tdINFO = hc32_to_cpup(ahcd, &td->hwINFO); + if ((tdINFO & TD_T) == TD_T_DATA0) + ed->hwHeadP &= ~cpu_to_hc32(ahcd, ED_C); + else if ((tdINFO & TD_T) == TD_T_DATA1) + ed->hwHeadP |= cpu_to_hc32(ahcd, ED_C); /* HC may have partly processed this TD */ #ifdef ADMHC_VERBOSE_DEBUG @@ -816,13 +827,12 @@ rescan_this: } /*-------------------------------------------------------------------------*/ - /* * Process normal completions (error or success) and clean the schedules. * * This is the main path for handing urbs back to drivers. The only other - * path is finish_unlinks(), which unlinks URBs using ed_rm_list, instead of - * scanning the (re-reversed) donelist as this does. + * normal path is finish_unlinks(), which unlinks URBs using ed_rm_list, + * instead of scanning the (re-reversed) donelist as this does. */ static void ed_unhalt(struct admhcd *ahcd, struct ed *ed, struct urb *urb) |