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From 7db6ea3f5e135665bb4275d8b74bbe900d9aad7a Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Mon, 21 Mar 2016 15:38:38 +0000
Subject: [PATCH 207/423] dwc_otg: Enable the hack for Split Interrupt
transactions by default
dwc_otg.fiq_fsm_mask=0xF has long been a suggestion for users with audio stutters or other USB bandwidth issues.
So far we are aware of many success stories but no failure caused by this setting.
Make it a default to learn more.
See: https://www.raspberrypi.org/forums/viewtopic.php?f=28&t=70437
Signed-off-by: popcornmix <popcornmix@gmail.com>
---
drivers/usb/host/dwc_otg/dwc_otg_driver.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/host/dwc_otg/dwc_otg_driver.c
+++ b/drivers/usb/host/dwc_otg/dwc_otg_driver.c
@@ -247,7 +247,7 @@ bool fiq_fsm_enable = true;
//Bulk split-transaction NAK holdoff in microframes
uint16_t nak_holdoff = 8;
-unsigned short fiq_fsm_mask = 0x07;
+unsigned short fiq_fsm_mask = 0x0F;
/**
* This function shows the Driver Version.
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