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usb: dwc3: Fix default lpm_nyet_threshold value

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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>
This commit is contained in:
Thinh Nguyen 2019-04-25 13:55:23 -07:00 committed by Greg Kroah-Hartman
parent 1aec586c25
commit 88246eb7bf
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/dwc3/core.c
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@ -867,7 +867,7 @@ static int dwc3_probe(struct platform_device *pdev)
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;