diff options
| -rw-r--r-- | drivers/usb/chipidea/udc.c | 2 | ||||
| -rw-r--r-- | drivers/usb/chipidea/udc.h | 4 |
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index e502e480781..b4cac44ce26 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -435,6 +435,8 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq) mReq->ptr->page[i] = cpu_to_le32(page); } + wmb(); + if (!list_empty(&mEp->qh.queue)) { struct ci13xxx_req *mReqPrev; int n = hw_ep_bit(mEp->num, mEp->dir); diff --git a/drivers/usb/chipidea/udc.h b/drivers/usb/chipidea/udc.h index 4ff2384d7ca..d12e8b59b11 100644 --- a/drivers/usb/chipidea/udc.h +++ b/drivers/usb/chipidea/udc.h @@ -40,7 +40,7 @@ struct ci13xxx_td { #define TD_CURR_OFFSET (0x0FFFUL << 0) #define TD_FRAME_NUM (0x07FFUL << 0) #define TD_RESERVED_MASK (0x0FFFUL << 0) -} __attribute__ ((packed)); +} __attribute__ ((packed, aligned(4))); /* DMA layout of queue heads */ struct ci13xxx_qh { @@ -57,7 +57,7 @@ struct ci13xxx_qh { /* 9 */ u32 RESERVED; struct usb_ctrlrequest setup; -} __attribute__ ((packed)); +} __attribute__ ((packed, aligned(4))); /** * struct ci13xxx_req - usb request representation |