This is a note to let you know that I've just added the patch titled
bus: mhi: host: pci_generic: Add Telit FN990B40 modem support
to the 6.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
bus-mhi-host-pci_generic-add-telit-fn990b40-modem-support.patch
and it can be found in the queue-6.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
From [email protected] Wed Dec 3 22:54:14 2025
From: Fabio Porcedda <[email protected]>
Date: Wed, 3 Dec 2025 14:53:53 +0100
Subject: bus: mhi: host: pci_generic: Add Telit FN990B40 modem support
To: [email protected], Greg Kroah-Hartman <[email protected]>
Cc: [email protected], [email protected], Daniele Palmas <[email protected]>, Manivannan Sadhasivam <[email protected]>, Fabio Porcedda <[email protected]>
Message-ID: <5091bf715f9ecf449b270af23352be15e4560df7.1764769310.git.fabio.porcedda@gmail.com>
From: Daniele Palmas <[email protected]>
commit 00559ba3ae740e7544b48fb509b2b97f56615892 upstream.
Add SDX72 based modem Telit FN990B40, reusing FN920C04 configuration.
01:00.0 Unassigned class [ff00]: Qualcomm Device 0309
Subsystem: Device 1c5d:201a
Signed-off-by: Daniele Palmas <[email protected]>
[mani: added sdx72 in the comment to identify the chipset]
Signed-off-by: Manivannan Sadhasivam <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Fabio Porcedda <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/bus/mhi/host/pci_generic.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
--- a/drivers/bus/mhi/host/pci_generic.c
+++ b/drivers/bus/mhi/host/pci_generic.c
@@ -734,6 +734,16 @@ static const struct mhi_pci_dev_info mhi
.edl_trigger = true,
};
+static const struct mhi_pci_dev_info mhi_telit_fn990b40_info = {
+ .name = "telit-fn990b40",
+ .config = &modem_telit_fn920c04_config,
+ .bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+ .dma_data_width = 32,
+ .sideband_wake = false,
+ .mru_default = 32768,
+ .edl_trigger = true,
+};
+
static const struct mhi_pci_dev_info mhi_netprisma_lcur57_info = {
.name = "netprisma-lcur57",
.edl = "qcom/prog_firehose_sdx24.mbn",
@@ -779,6 +789,9 @@ static const struct pci_device_id mhi_pc
.driver_data = (kernel_ulong_t) &mhi_telit_fe990a_info },
{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0308),
.driver_data = (kernel_ulong_t) &mhi_qcom_sdx65_info },
+ /* Telit FN990B40 (sdx72) */
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0309, 0x1c5d, 0x201a),
+ .driver_data = (kernel_ulong_t) &mhi_telit_fn990b40_info },
{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0309),
.driver_data = (kernel_ulong_t) &mhi_qcom_sdx75_info },
{ PCI_DEVICE(PCI_VENDOR_ID_QUECTEL, 0x1001), /* EM120R-GL (sdx24) */
Patches currently in stable-queue which might be from [email protected] are
queue-6.12/bus-mhi-host-pci_generic-add-telit-fn920c04-modem-support.patch
queue-6.12/usb-serial-option-add-telit-cinterion-fe910c04-new-compositions.patch
queue-6.12/bus-mhi-host-pci_generic-add-telit-fn990b40-modem-support.patch
queue-6.12/usb-serial-option-move-telit-0x10c7-composition-in-the-right-place.patch
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