usb: r8a66597-hcd: decrease timeout
authorChris Brandt <chris.brandt@renesas.com>
Thu, 27 Apr 2017 19:12:49 +0000 (12:12 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 17 May 2017 09:52:44 +0000 (11:52 +0200)
The timeout for BULK packets was 300ms which is a long time if other
endpoints or devices are waiting for their turn. Changing it to 50ms
greatly increased the overall performance for multi-endpoint devices.

Fixes: 5d3043586db4 ("usb: r8a66597-hcd: host controller driver for R8A6659")
Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/r8a66597-hcd.c

index bfa7fa3..698ec87 100644 (file)
@@ -1269,7 +1269,7 @@ static void set_td_timer(struct r8a66597 *r8a66597, struct r8a66597_td *td)
                        time = 30;
                        break;
                default:
-                       time = 300;
+                       time = 50;
                        break;
                }