diff mbox series

usb: dwc3: gadget: increase tx fifo size for ss isoc endpoints

Message ID 20220420183338.445622-1-w36195@motorola.com (mailing list archive)
State Accepted
Commit 6a7c7df993bd3c90014453ec59a7b455613cf0e4
Headers show
Series usb: dwc3: gadget: increase tx fifo size for ss isoc endpoints | expand

Commit Message

Dan Vacura April 20, 2022, 6:33 p.m. UTC
Improve performance of isoc transfers in superspeed by increasing the
number of possible endpoints available, matching that of what was
configured for bulk transfers.

Signed-off-by: Dan Vacura <w36195@motorola.com>
---
 drivers/usb/dwc3/gadget.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index ab725d2262d6..faffa4f4050c 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -783,7 +783,8 @@  static int dwc3_gadget_resize_tx_fifos(struct dwc3_ep *dep)
 		num_fifos = 3;
 
 	if (dep->endpoint.maxburst > 6 &&
-	    usb_endpoint_xfer_bulk(dep->endpoint.desc) && DWC3_IP_IS(DWC31))
+	    (usb_endpoint_xfer_bulk(dep->endpoint.desc) ||
+	     usb_endpoint_xfer_isoc(dep->endpoint.desc)) && DWC3_IP_IS(DWC31))
 		num_fifos = dwc->tx_fifo_resize_max_num;
 
 	/* FIFO size for a single buffer */