It could be useful posting phy.c related patch directly:
@@ -586,7 +586,7 @@
void mt7601u_phy_recalibrate_after_assoc(struct mt7601u_dev *dev)
{
- mt7601u_mcu_calibrate(dev, MCU_CAL_DPD, dev->curr_temp);
+ //mt7601u_mcu_calibrate(dev, MCU_CAL_DPD, dev->curr_temp);
mt7601u_rxdc_cal(dev);
}
@@ -1153,12 +1153,12 @@
ret = mt7601u_mcu_calibrate(dev, MCU_CAL_TXIQ, 0);
if (ret)
return ret;
- ret = mt7601u_mcu_calibrate(dev, MCU_CAL_RXIQ, 0);
- if (ret)
- return ret;
- ret = mt7601u_mcu_calibrate(dev, MCU_CAL_DPD, dev->dpd_temp);
- if (ret)
- return ret;
+ //ret = mt7601u_mcu_calibrate(dev, MCU_CAL_RXIQ, 0);
+ //if (ret)
+ // return ret;
+ //ret = mt7601u_mcu_calibrate(dev, MCU_CAL_DPD, dev->dpd_temp);
+ //if (ret)
+ // return ret;
mt7601u_rxdc_cal(dev);
Waiting for a reply,
Cristian.
Sent with ProtonMail Secure Email.
‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Sunday 15 November 2020 22:57, cristian_ci <cristian_ci@xxxxxxxxxxxxxx> wrote:
> When I connect usb wireless adapter:
>
> Bus 002 Device 111: ID 148f:7601 Ralink Technology, Corp. MT7601U Wireless Adapter
>
> I notice continuos spamming messages to dmesg output:
>
> mt7601u 2-1.3:1.0: rx urb failed: -71
> mt7601u 2-1.3:1.0: Error: MCU resp urb failed:-71
> mt7601u 2-1.3:1.0: Error: MCU resp evt:0 seq:5-4!
>
> and:
>
> mt7601u 2-1.3:1.0: Error: mt7601u_mcu_wait_resp timed out
> mt7601u 2-1.3:1.0: Vendor request req:07 off:0080 failed:-71
> mt7601u 2-1.3:1.0: Vendor request req:02 off:0080 failed:-71
> mt7601u 2-1.3:1.0: Vendor request req:02 off:0080 failed:-71
> mt7601u: probe of 2-1.3:1.0 failed with error -110
>
> and then device is reset,, disconnecting and reconnecting itself in a loop, making mt7601 module to fail probing.
>
> This failure happens just only with linux but not with 3.0.x kernel series. Just newer kernel versions are affected.
>
> If I make the following changes to drivers/net/wireless/mediatek/mt7601u/phy.c source code, mt7601 module is successfully probed, instead.
>
> In order to do that, in mt7601u_init_cal function you have to comment these lines:
>
> ret = mt7601u_mcu_calibrate(dev, MCU_CAL_RXIQ, 0);
> if (ret)
> return ret;
> ret = mt7601u_mcu_calibrate(dev, MCU_CAL_DPD, dev->dpd_temp);
> if (ret)
> return ret;
>
> In mt7601u_phy_recalibrate_after_assoc function you have to comment this line:
>
> mt7601u_mcu_calibrate(dev, MCU_CAL_DPD, dev->curr_temp);
>
> Waiting for an answer, thanks in advance,
>
> Cristian.
>
> Sent with ProtonMail Secure Email.
