From 8d791929b2fbdf7734c1596d808e55cb457f4562 Mon Sep 17 00:00:00 2001
From: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Date: Thu, 25 Apr 2019 13:55:23 -0700
Subject: [PATCH] usb: dwc3: Fix default lpm_nyet_threshold value
Git-commit: 8d791929b2fbdf7734c1596d808e55cb457f4562
Patch-mainline: v5.2-rc1
References: bsc#1051510
The max possible value for DCTL.LPM_NYET_THRES is 15 and not 255. Change
the default value to 15.
Cc: stable@vger.kernel.org
Fixes: 80caf7d21adc ("usb: dwc3: add lpm erratum support")
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/usb/dwc3/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -979,7 +979,7 @@ static void dwc3_get_properties(struct d
u8 hird_threshold;
/* default to highest possible threshold */
- lpm_nyet_threshold = 0xff;
+ lpm_nyet_threshold = 0xf;
/* default to -3.5dB de-emphasis */
tx_de_emphasis = 1;