Cannot mount Sony XQD memory card

[Sbob]

Hi all;

I just did a new install of Fedora 34 on my laptop. I put my XQD card in 
a usb card reader and nothing happens (mo popup in the system tray).

A dmesg command shows me this:

[41307.726478] usb 4-2: new SuperSpeed Plus Gen 2x1 USB device number 69 
using xhci_hcd
[41307.742352] usb 4-2: New USB device found, idVendor=054c, 
idProduct=0cf0, bcdDevice=71.91
[41307.742361] usb 4-2: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
[41307.742365] usb 4-2: Product: MRW-G1
[41307.742367] usb 4-2: Manufacturer: Sony
[41307.742369] usb 4-2: SerialNumber: 30010247001540
[41307.744670] hub 4-2:1.0: USB hub found
[41307.745040] hub 4-2:1.0: 2 ports detected
[41308.020208] usb 4-2.2: new SuperSpeed USB device number 70 using 
xhci_hcd
[41308.033094] usb 4-2.2: New USB device found, idVendor=054c, 
idProduct=087c, bcdDevice= 1.10
[41308.033107] usb 4-2.2: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
[41308.033112] usb 4-2.2: Product: XQD               32GB
[41308.033116] usb 4-2.2: Manufacturer: Sony
[41308.033120] usb 4-2.2: SerialNumber: 
324245424E4B4D300118E30701100F1237000000
[41308.042286] usb 4-2.2: Enable of device-initiated U1 failed.
[41308.049387] usb 4-2.2: Failed to set U1 timeout to 0x0,error code -71
[41308.049449] usb 4-2.2: Set SEL for device-initiated U2 failed.
[41308.049569] usb-storage 4-2.2:1.0: USB Mass Storage device detected
[41308.049891] scsi host0: usb-storage 4-2.2:1.0

Thanks in advance for any help...