34 lines
1.2 KiB
Diff
34 lines
1.2 KiB
Diff
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From d9a65f76763df1828644d0210fe747e67ba32fb3 Mon Sep 17 00:00:00 2001
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From: Thomas Thorne <Thomas.Thorne@Net2Edge.com>
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Date: Tue, 20 Sep 2022 20:34:57 -0400
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Subject: usb: serial: option: add 'reset_resume' callback for WWAN devices
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This avoids the issue where the PPP modem does not reset correctly on resume,
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causing issues with incoming calls on suspend.
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Noted here: https://github.com/the-modem-distro/pinephone_modem_sdk/issues/97
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This is part of a larger patch:
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https://github.com/Quectel-Community/meta-quectel-community/commit/24adef2128f79b4d31490634438a917b3df462e2#diff-45dc5960ca2f1ef57139fe751587b3b043de9cca5864e2801210c00e75bd0780
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However the rest of the patch is not needed/already upstreamed.
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---
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drivers/usb/serial/option.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
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index 72390dbf07..71a2d6d61b 100644
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--- a/drivers/usb/serial/option.c
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+++ b/drivers/usb/serial/option.c
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@@ -2314,6 +2314,7 @@ static struct usb_serial_driver option_1port_device = {
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#ifdef CONFIG_PM
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.suspend = usb_wwan_suspend,
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.resume = usb_wwan_resume,
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+ .reset_resume = usb_wwan_resume,
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#endif
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};
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--
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2.43.0
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