| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 151/266] usb: dwc3: Fix default lpm_nyet_threshold value | Date | Wed, 15 May 2019 12:54:18 +0200 |
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From: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
commit 8d791929b2fbdf7734c1596d808e55cb457f4562 upstream.
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- 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 @@ -867,7 +867,7 @@ static int dwc3_probe(struct platform_de dwc->regs_size = resource_size(res); /* default to highest possible threshold */ - lpm_nyet_threshold = 0xff; + lpm_nyet_threshold = 0xf; /* default to -3.5dB de-emphasis */ tx_de_emphasis = 1;
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