Re: [PATCH 24/24] usb: xhci: bInterval quirk for TI TUSB73x0

2017-04-05 Thread Oliver Neukum
Am Dienstag, den 04.04.2017, 15:55 +0300 schrieb Mathias Nyman: > From: Roger Quadros > > This results in Bandwidth error when devices with periodic > endpoints (ISO/INT) having bInterval > 7 are plugged and > unplugged several times on a TUSB73x0 XHCI host. > > Workaround this issue by limiting

[PATCH 24/24] usb: xhci: bInterval quirk for TI TUSB73x0

2017-04-04 Thread Mathias Nyman
From: Roger Quadros As per [1] issue #4, "The periodic EP scheduler always tries to schedule the EPs that have large intervals (interval equal to or greater than 128 microframes) into different microframes. So it maintains an internal counter and increments for each large interval EP added. When