This is required for LTE module MR400 in TL-MR6400 v4.
Signed-off-by: Filip Moc <l...@moc6.cz>
---
Notes:
v1->v2:
- Moved from hack to backports
Upstream commit:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=df8d85d8c69d6837817e54dcb73c84a8b5a13877
...usb-qmi_wwan-Set-DTR-quirk-for-MR400.patch | 34 +++++++++++++++++++
1 file changed, 34 insertions(+)
create mode 100644
target/linux/generic/backport-5.4/789-net-usb-qmi_wwan-Set-DTR-quirk-for-MR400.patch
diff --git
a/target/linux/generic/backport-5.4/789-net-usb-qmi_wwan-Set-DTR-quirk-for-MR400.patch
b/target/linux/generic/backport-5.4/789-net-usb-qmi_wwan-Set-DTR-quirk-for-MR400.patch
new file mode 100644
index 0000000000..91c95573f6
--- /dev/null
+++
b/target/linux/generic/backport-5.4/789-net-usb-qmi_wwan-Set-DTR-quirk-for-MR400.patch
@@ -0,0 +1,34 @@
+From df8d85d8c69d6837817e54dcb73c84a8b5a13877 Mon Sep 17 00:00:00 2001
+From: Filip Moc <d...@moc6.cz>
+Date: Tue, 17 Nov 2020 18:36:31 +0100
+Subject: net: usb: qmi_wwan: Set DTR quirk for MR400
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+LTE module MR400 embedded in TL-MR6400 v4 requires DTR to be set.
+
+Signed-off-by: Filip Moc <d...@moc6.cz>
+Acked-by: Bjørn Mork <bj...@mork.no>
+Link: https://lore.kernel.org/r/20201117173631.ga550...@moc6.cz
+Signed-off-by: Jakub Kicinski <k...@kernel.org>
+---
+ drivers/net/usb/qmi_wwan.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
+index 581ed51abb532..fc378ff56775b 100644
+--- a/drivers/net/usb/qmi_wwan.c
++++ b/drivers/net/usb/qmi_wwan.c
+@@ -1070,7 +1070,7 @@ static const struct usb_device_id products[] = {
+ {QMI_FIXED_INTF(0x05c6, 0x9011, 4)},
+ {QMI_FIXED_INTF(0x05c6, 0x9021, 1)},
+ {QMI_FIXED_INTF(0x05c6, 0x9022, 2)},
+- {QMI_FIXED_INTF(0x05c6, 0x9025, 4)}, /* Alcatel-sbell ASB TL131 TDD
LTE (China Mobile) */
++ {QMI_QUIRK_SET_DTR(0x05c6, 0x9025, 4)}, /* Alcatel-sbell ASB TL131 TDD
LTE (China Mobile) */
+ {QMI_FIXED_INTF(0x05c6, 0x9026, 3)},
+ {QMI_FIXED_INTF(0x05c6, 0x902e, 5)},
+ {QMI_FIXED_INTF(0x05c6, 0x9031, 5)},
+--
+cgit 1.2.3-1.el7
+
--
2.28.0
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