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authorTakashi Iwai <tiwai@suse.de>2024-03-11 18:18:47 +0300
committerTakashi Iwai <tiwai@suse.de>2024-03-11 18:18:47 +0300
commitf5d9ddf1214bf878ca69c905c2f410c5b51de99c (patch)
tree3ea7bf6f519a490f72cf5f9023b5c0a6dff0fea0 /drivers/android/binder.c
parent6719cd5e45111449f4021e08f2e488f17a9b292b (diff)
parent6c023ad32b192dea51a4f842cc6ecf89bb6238c9 (diff)
downloadlinux-f5d9ddf1214bf878ca69c905c2f410c5b51de99c.tar.xz
Merge tag 'asoc-v6.9' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v6.9 This has been quite a small release, there's a lot of driver specific cleanups and minor enhancements but hardly anything on the core and only one new driver. Highlights include: - SoundWire support for AMD ACP 6.3 systems. - Support for reporting version information for AVS firmware. - Support DSPless mode for Intel Soundwire systems. - Support for configuring CS35L56 amplifiers using EFI calibration data. - Log which component is being operated on as part of power management trace events. - Support for Microchip SAM9x7, NXP i.MX95 and Qualcomm WCD939x
Diffstat (limited to 'drivers/android/binder.c')
-rw-r--r--drivers/android/binder.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 8dd23b19e997..eca24f41556d 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -478,6 +478,16 @@ binder_enqueue_thread_work_ilocked(struct binder_thread *thread,
{
WARN_ON(!list_empty(&thread->waiting_thread_node));
binder_enqueue_work_ilocked(work, &thread->todo);
+
+ /* (e)poll-based threads require an explicit wakeup signal when
+ * queuing their own work; they rely on these events to consume
+ * messages without I/O block. Without it, threads risk waiting
+ * indefinitely without handling the work.
+ */
+ if (thread->looper & BINDER_LOOPER_STATE_POLL &&
+ thread->pid == current->pid && !thread->process_todo)
+ wake_up_interruptible_sync(&thread->wait);
+
thread->process_todo = true;
}