usb: dwc3: Fix default lpm_nyet_threshold value

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>

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 2e06607..4aff1d8 100644 (file)
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1215,7 +1215,7 @@ 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;