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mt76: use hrtimer_setup() in mt76x02u beacon init

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Replace the two-step hrtimer initialization pattern with a single
consolidated call to hrtimer_setup().
The legacy approach of calling hrtimer_init() followed by manual
assignment to timer.function is deprecated. The new hrtimer_setup()
helper atomically initializes the timer and assigns the callback
function in one operation, eliminating the race-prone intermediate
state where the timer is initialized but lacks a handler.

Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com>
Link: https://github.com/openwrt/openwrt/pull/21078
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Mieczyslaw Nalewaj
2026-01-29 16:48:20 +01:00
committed by Robert Marko
parent 666fee6f48
commit ac9ea1be34
1 changed files with 33 additions and 0 deletions
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package/kernel/mt76/patches/002-use-hrtimer_setup-in-mt76x02u-beacon-init.patch
+33
View File
@@ -0,0 +1,33 @@
From a95e567eb0e06d460dee234f9c845fbfb215ab11 Mon Sep 17 00:00:00 2001
From: Mieczyslaw Nalewaj <namiltd@yahoo.com>
Date: Thu, 29 Jan 2026 16:36:25 +0100
Subject: [PATCH] wifi: mt76: use hrtimer_setup() in mt76x02u beacon init
Replace the two-step hrtimer initialization pattern with a single
consolidated call to hrtimer_setup().
The legacy approach of calling hrtimer_init() followed by manual
assignment to timer.function is deprecated. The new hrtimer_setup()
helper atomically initializes the timer and assigns the callback
function in one operation, eliminating the race-prone intermediate
state where the timer is initialized but lacks a handler.
Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com>
---
mt76x02_usb_core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mt76x02_usb_core.c b/mt76x02_usb_core.c
index c94c2f661..3a28a8cc1 100644
--- a/mt76x02_usb_core.c
+++ b/mt76x02_usb_core.c
@@ -264,8 +264,8 @@ void mt76x02u_init_beacon_config(struct mt76x02_dev *dev)
};
dev->beacon_ops = &beacon_ops;
- hrtimer_init(&dev->pre_tbtt_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
- dev->pre_tbtt_timer.function = mt76x02u_pre_tbtt_interrupt;
+ hrtimer_setup(&dev->pre_tbtt_timer, mt76x02u_pre_tbtt_interrupt, CLOCK_MONOTONIC,
+ HRTIMER_MODE_REL);
INIT_WORK(&dev->pre_tbtt_work, mt76x02u_pre_tbtt_work);
mt76x02_init_beacon_config(dev);