[PATCH net-next v2 2/2] rndis_host: enable power management for Telit LE310X1
From: Shaoxu Liu <hidden>
Date: 2026-06-02 09:05:54
Also in:
linux-usb, lkml
Subsystem:
networking drivers, the rest, usb networking drivers · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Enable autosuspend support for Telit Cinterion LE310X1 RNDIS interface by selecting a driver_info variant with manage_power callback. This keeps power management scoped to the new Telit ID only, and avoids changing behavior for all existing RNDIS devices. Signed-off-by: Shaoxu Liu <redacted> --- drivers/net/usb/rndis_host.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c
index 46eab7bda..5e39d05a2 100644
--- a/drivers/net/usb/rndis_host.c
+++ b/drivers/net/usb/rndis_host.c@@ -630,6 +630,17 @@ static const struct driver_info zte_rndis_info = { .tx_fixup = rndis_tx_fixup, }; +static const struct driver_info rndis_info_lowpower = { + .description = "RNDIS device", + .flags = FLAG_ETHER | FLAG_POINTTOPOINT | FLAG_FRAMING_RN | FLAG_NO_SETINT, + .bind = rndis_bind, + .unbind = rndis_unbind, + .status = rndis_status, + .rx_fixup = rndis_rx_fixup, + .tx_fixup = rndis_tx_fixup, + .manage_power = usbnet_manage_power, +}; + /*-------------------------------------------------------------------------*/ static const struct usb_device_id products [] = {
@@ -661,7 +672,7 @@ static const struct usb_device_id products [] = { /* Telit Cinterion LE310X1 RNDIS */ USB_DEVICE_AND_INTERFACE_INFO(0x1bc7, 0x7030, USB_CLASS_WIRELESS_CONTROLLER, 1, 3), - .driver_info = (unsigned long)&rndis_info, + .driver_info = (unsigned long)&rndis_info_lowpower, }, { /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */ USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
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2.34.1