Changes between Version 140 and Version 141 of wireless/modem

Timestamp:

11/20/2025 08:23:35 PM (44 hours ago)

Author:

Ryan Erbstoesser

Comment:

add notes for grep mhi on fn920

wireless/modem

@@ -2225 +2225 @@
 === FN920 Troubleshooting
  * Be sure the modem PCIe ID is included the the MHI PCIe driver (kernel commit by Telit in 6.16 kernel [https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/bus/mhi/host/pci_generic.c?id=6348f62ef7ecc5855b710a7d4ea682425c38bb80 here]) 
-  * If device ID is not in driver, the driver won't bind to the PCIe device, use lspci --vv to see the binding like below:
+  * If device ID is not in driver, the driver won't bind to the PCIe device, use lspci -v to see the binding like below:
 {{{
 03:00.0 Unassigned class [ff00]: Qualcomm Technologies, Inc Device 011a
@@ -2247 +2247 @@
  * Be sure pin 20 is pulled low for Mini-PCIe mode
  * Be sure all MHI related drivers are turned on in the kernel
+ * Be sure the boot logs have information such as the example below:
 {{{
 root@noble-venice:~# dmesg | grep elit
@@ -2253 +2254 @@
 
 }}}
-
+{{{
+root@noble-venice:~# dmesg | grep mhi
+[    6.426205] mhi-pci-generic 0000:03:00.0: MHI PCI device found: telit-fn920c04
+[    6.426232] mhi-pci-generic 0000:03:00.0: BAR 0 [mem 0x18100000-0x18100fff 64bit]: assigned
+[    6.426289] mhi-pci-generic 0000:03:00.0: enabling device (0000 -> 0002)
+[    6.438773] mhi mhi0: Requested to power ON
+[    6.438827] mhi mhi0: Power on setup success
+[   14.091684] mhi mhi0: Wait for device to enter SBL or Mission mode
+
+}}}