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Date: Fri, 21 Jan 2022 11:06:12 -0300 From: Fabio Estevam <festevam@...il.com> To: Johannes Berg <johannes@...solutions.net>, bjorn@...k.no Cc: netdev <netdev@...r.kernel.org>, Andrew Lunn <andrew@...n.ch>, Vladimir Oltean <vladimir.oltean@....com> Subject: rfkill: wwan does not show up in rfkill command Hi, I am running kernel 5.10.92 on an imx7d SoC. The wwan interface is brought up: usb 2-1: New USB device found, idVendor=2c7c, idProduct=0296, bcdDevice= 0.00 usb 2-1: New USB device strings: Mfr=3, Product=2, SerialNumber=4 usb 2-1: Product: Qualcomm CDMA Technologies MSM usb 2-1: Manufacturer: Qualcomm, Incorporated usb 2-1: SerialNumber: 7d1563c1 option 2-1:1.0: GSM modem (1-port) converter detected usb 2-1: GSM modem (1-port) converter now attached to ttyUSB0 option 2-1:1.1: GSM modem (1-port) converter detected usb 2-1: GSM modem (1-port) converter now attached to ttyUSB1 option 2-1:1.2: GSM modem (1-port) converter detected usb 2-1: GSM modem (1-port) converter now attached to ttyUSB2 option 2-1:1.3: GSM modem (1-port) converter detected usb 2-1: GSM modem (1-port) converter now attached to ttyUSB3 qmi_wwan 2-1:1.4: cdc-wdm0: USB WDM device qmi_wwan 2-1:1.4 wwan0: register 'qmi_wwan' at usb-ci_hdrc.1-1, WWAN/QMI device, 0e:31:86:6b:xx:xx When I run the rfkill command, only the Wifi interface shows up: root@...0000000:~# rfkill ID TYPE DEVICE SOFT HARD 0 wlan phy0 unblocked unblocked Shouldn't the wwan interface also be listed in the rfkill output? Is there anything that needs to be done for wwan to appear there? Also, there is a GPIO that connects to the modem (W_DISABLE) pin, but it seems it is not possible currently to use rkfill gpio with device tree, right? I saw some previous attempts to add rfkill gpio support in devicetree, but none was accepted. Any suggestions are welcome. Thanks, Fabio Estevam
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