diff options
Diffstat (limited to 'drivers/usb/cdns3/gadget.c')
| -rw-r--r-- | drivers/usb/cdns3/gadget.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c index 32b2c412068..a30c40ef80e 100644 --- a/drivers/usb/cdns3/gadget.c +++ b/drivers/usb/cdns3/gadget.c @@ -965,6 +965,12 @@ int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep, if (priv_dev->dev_ver <= DEV_VER_V2) cdns3_wa1_tray_restore_cycle_bit(priv_dev, priv_ep); + /* Flush TRBs */ + flush_dcache_range((unsigned long)priv_ep->trb_pool, + (unsigned long)priv_ep->trb_pool + + ROUND(sizeof(struct cdns3_trb) * priv_ep->num_trbs, + CONFIG_SYS_CACHELINE_SIZE)); + trace_cdns3_prepare_trb(priv_ep, priv_req->trb); /* @@ -1153,6 +1159,13 @@ static void cdns3_transfer_completed(struct cdns3_device *priv_dev, priv_ep->endpoint.desc->bEndpointAddress); #endif + /* Invalidate TRBs */ + invalidate_dcache_range((unsigned long)priv_ep->trb_pool, + (unsigned long)priv_ep->trb_pool + + ROUND(sizeof(struct cdns3_trb) * + priv_ep->num_trbs, + CONFIG_SYS_CACHELINE_SIZE)); + if (!cdns3_request_handled(priv_ep, priv_req)) goto prepare_next_td; @@ -1624,6 +1637,14 @@ void cdns3_ep_config(struct cdns3_endpoint *priv_ep) else priv_ep->trb_burst_size = 16; + /* + * The Endpoint is configured to handle a maximum packet size of + * max_packet_size. Hence, set priv_ep->endpoint.maxpacket to + * max_packet_size. This is necessary to ensure that the TD_SIZE + * is calculated correctly in cdns3_ep_run_transfer(). + */ + priv_ep->endpoint.maxpacket = max_packet_size; + ret = cdns3_ep_onchip_buffer_reserve(priv_dev, buffering + 1, !!priv_ep->dir); if (ret) { |