Hi, gentle ping :-) Thanks! Cheers, Petr Petr Štetiar <ynezz@xxxxxxx> [2025-05-12 11:26:31]: > From: Chris Webb <chris@xxxxxxxxxxxx> > > I have a router board with a Quectel RM520N-GL 5G module that speaks > either USB or PCIe. When switched to PCIe mode, the modem present itself > on PCI bus with following IDs: > > 0003:01:00.0 Unassigned class [ff00]: Qualcomm Technologies, Inc Device [17cb:0308] > Subsystem: Qualcomm Technologies, Inc Device [17cb:5201] > > and is currently being wrongly detected by the kernel as: > > mhi-pci-generic 0000:01:00.0: MHI PCI device found: qcom-sdx65m > > which results into wrong modem configuration and thus missing wwanX > netdev. So lets fix it by adding a new device entry for this 0x5201 variant. > > Link: https://lore.kernel.org/mhi/ZqllDCWfiKravZAo@xxxxxxxxxxxx/T/#u > Fixes: 1cad976a1be9 ("bus: mhi: host: pci_generic: Add support for Quectel RM520N-GL modem") > Signed-off-by: Chris Webb <chris@xxxxxxxxxxxx> > Signed-off-by: Petr Štetiar <ynezz@xxxxxxx> > --- > drivers/bus/mhi/host/pci_generic.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c > index 03aa88795209..0db9543a7edc 100644 > --- a/drivers/bus/mhi/host/pci_generic.c > +++ b/drivers/bus/mhi/host/pci_generic.c > @@ -818,6 +818,9 @@ static const struct pci_device_id mhi_pci_id_table[] = { > .driver_data = (kernel_ulong_t) &mhi_telit_fn980_hw_v1_info }, > { PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0306), > .driver_data = (kernel_ulong_t) &mhi_qcom_sdx55_info }, > + /* RM520N-GL variant with Qualcomm vendor and subvendor ID */ > + { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, PCI_VENDOR_ID_QCOM, 0x5201), > + .driver_data = (kernel_ulong_t) &mhi_quectel_rm5xx_info }, > /* Telit FN990 */ > { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, 0x1c5d, 0x2010), > .driver_data = (kernel_ulong_t) &mhi_telit_fn990_info }, -- ynezz
