2b1c6b21b5
As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Also adds support for Raspberry Pi Compute Module 3 (untested). Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
28 lines
1 KiB
Diff
28 lines
1 KiB
Diff
From 87dd923568a28a6784581a3f4c18970b834779a8 Mon Sep 17 00:00:00 2001
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From: popcornmix <popcornmix@gmail.com>
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Date: Mon, 21 Mar 2016 15:38:38 +0000
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Subject: [PATCH] dwc_otg: Enable the hack for Split Interrupt transactions by
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default
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dwc_otg.fiq_fsm_mask=0xF has long been a suggestion for users with audio stutters or other USB bandwidth issues.
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So far we are aware of many success stories but no failure caused by this setting.
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Make it a default to learn more.
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See: https://www.raspberrypi.org/forums/viewtopic.php?f=28&t=70437
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Signed-off-by: popcornmix <popcornmix@gmail.com>
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---
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drivers/usb/host/dwc_otg/dwc_otg_driver.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/usb/host/dwc_otg/dwc_otg_driver.c
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+++ b/drivers/usb/host/dwc_otg/dwc_otg_driver.c
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@@ -247,7 +247,7 @@ bool fiq_fsm_enable = true;
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//Bulk split-transaction NAK holdoff in microframes
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uint16_t nak_holdoff = 8;
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-unsigned short fiq_fsm_mask = 0x07;
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+unsigned short fiq_fsm_mask = 0x0F;
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/**
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* This function shows the Driver Version.
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