target/linux/brcm2708/patches-4.4/0208-dwc_otg-Enable-the-hack-for-Split-Interrupt-transact.patch

   1 From 7956536a3d78ba0ef8ec990651b315664ed70f90 Mon Sep 17 00:00:00 2001
   2 From: popcornmix <popcornmix@gmail.com>
   3 Date: Mon, 21 Mar 2016 15:38:38 +0000
   4 Subject: [PATCH 208/232] dwc_otg: Enable the hack for Split Interrupt
   5  transactions by default
   6
   7 dwc_otg.fiq_fsm_mask=0xF has long been a suggestion for users with audio stutters or other USB bandwidth issues.
   8 So far we are aware of many success stories but no failure caused by this setting.
   9 Make it a default to learn more.
  10
  11 See: https://www.raspberrypi.org/forums/viewtopic.php?f=28&t=70437
  12
  13 Signed-off-by: popcornmix <popcornmix@gmail.com>
  14 ---
  15  drivers/usb/host/dwc_otg/dwc_otg_driver.c | 2 +-
  16  1 file changed, 1 insertion(+), 1 deletion(-)
  17
  18 --- a/drivers/usb/host/dwc_otg/dwc_otg_driver.c
  19 +++ b/drivers/usb/host/dwc_otg/dwc_otg_driver.c
  20 @@ -247,7 +247,7 @@ bool fiq_fsm_enable = true;
  21  //Bulk split-transaction NAK holdoff in microframes
  22  uint16_t nak_holdoff = 8;
  23
  24 -unsigned short fiq_fsm_mask = 0x07;
  25 +unsigned short fiq_fsm_mask = 0x0F;
  26
  27  /**
  28   * This function shows the Driver Version.