diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2020-12-03 15:42:13 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-12-03 15:44:09 -0800 |
| commit | 55fd59b003f6e8fd88cf16590e79823d7ccf3026 (patch) | |
| tree | f23b2225f1a00b80632d612428708d5a57ad330b /drivers/usb/cdns3/gadget.c | |
| parent | a4390e966f952510808b10ce7ae2a7dd2a08c0e5 (diff) | |
| parent | bbe2ba04c5a92a49db8a42c850a5a2f6481e47eb (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflicts:
drivers/net/ethernet/ibm/ibmvnic.c
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/usb/cdns3/gadget.c')
| -rw-r--r-- | drivers/usb/cdns3/gadget.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c index 66c1e6723eb1..365f30fb1159 100644 --- a/drivers/usb/cdns3/gadget.c +++ b/drivers/usb/cdns3/gadget.c @@ -1114,7 +1114,7 @@ static int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep, struct cdns3_device *priv_dev = priv_ep->cdns3_dev; struct cdns3_request *priv_req; struct cdns3_trb *trb; - struct cdns3_trb *link_trb; + struct cdns3_trb *link_trb = NULL; dma_addr_t trb_dma; u32 togle_pcs = 1; int sg_iter = 0; @@ -1193,10 +1193,20 @@ static int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep, /* set incorrect Cycle Bit for first trb*/ control = priv_ep->pcs ? 0 : TRB_CYCLE; + trb->length = 0; + if (priv_dev->dev_ver >= DEV_VER_V2) { + u16 td_size; + + td_size = DIV_ROUND_UP(request->length, + priv_ep->endpoint.maxpacket); + if (priv_dev->gadget.speed == USB_SPEED_SUPER) + trb->length = TRB_TDL_SS_SIZE(td_size); + else + control |= TRB_TDL_HS_SIZE(td_size); + } do { u32 length; - u16 td_size = 0; /* fill TRB */ control |= TRB_TYPE(TRB_NORMAL); @@ -1208,20 +1218,12 @@ static int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep, length = request->length; } - if (likely(priv_dev->dev_ver >= DEV_VER_V2)) - td_size = DIV_ROUND_UP(length, - priv_ep->endpoint.maxpacket); - else if (priv_ep->flags & EP_TDLCHK_EN) + if (priv_ep->flags & EP_TDLCHK_EN) total_tdl += DIV_ROUND_UP(length, priv_ep->endpoint.maxpacket); - trb->length = cpu_to_le32(TRB_BURST_LEN(priv_ep->trb_burst_size) | + trb->length |= cpu_to_le32(TRB_BURST_LEN(priv_ep->trb_burst_size) | TRB_LEN(length)); - if (priv_dev->gadget.speed == USB_SPEED_SUPER) - trb->length |= cpu_to_le32(TRB_TDL_SS_SIZE(td_size)); - else - control |= TRB_TDL_HS_SIZE(td_size); - pcs = priv_ep->pcs ? TRB_CYCLE : 0; /* |