On Thu, 19 Oct 2017, Minas Harutyunyan wrote:
Could you please apply this patch.
If you confirm that this patch fix your issue with "Transaction Error"
and " ChHltd set, but reason is unknown" I'll submit to LKML as final patch.
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index
f4ef159b538e..7da22152df68 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -331,6 +331,9 @@ static void dwc2_gusbcfg_init(struct dwc2_hsotg *hsotg)
usbcfg = dwc2_readl(hsotg->regs + GUSBCFG);
usbcfg &= ~(GUSBCFG_HNPCAP | GUSBCFG_SRPCAP);
+ /* Set HS/FS Timeout Calibration */
+ usbcfg |= GUSBCFG_TOUTCAL(7);
+
switch (hsotg->hw_params.op_mode) {
case GHWCFG2_OP_MODE_HNP_SRP_CAPABLE:
if (hsotg->params.otg_cap ==
Hi Minas,
The patch clearly reduced the amount of errors logged, but did not fully
fix the problem. This was with kernel 4.9.39, I can also try with a 4.13
kernel.
Regards,
Anders Montonen
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