Commit caa5680d authored Apr 25, 2019 by Thinh Nguyen Committed by Greg Kroah-Hartman May 10, 2019

usb: dwc3: Fix default lpm_nyet_threshold value



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: 80caf7d2 ("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>

parent 33f2aa87

drivers/usb/dwc3/core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1214,7 +1214,7 @@ static void dwc3_get_properties(struct dwc3 *dwc)
		u8 tx_max_burst_prd;

		/* default to highest possible threshold */
		lpm_nyet_threshold = 0xff;
		lpm_nyet_threshold = 0xf;

		/* default to -3.5dB de-emphasis */
		tx_de_emphasis = 1;