From: Sakari Ailus sakari.ailus@linux.intel.com
This reverts commit 058a38acba15fd8e7b262ec6e17c4204cb15f984.
It's not necessary to avoid a spinlock, a sleeping lock on PREEMPT_RT, in an interrupt handler as the interrupt handler itself would be called in a process context if PREEMPT_RT is enabled. So revert the patch.
Cc: stable@vger.kernel.org # for 6.8 Signed-off-by: Sakari Ailus sakari.ailus@linux.intel.com --- drivers/misc/mei/vsc-tp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/mei/vsc-tp.c b/drivers/misc/mei/vsc-tp.c index ecfb70cd057c..968a92a7425d 100644 --- a/drivers/misc/mei/vsc-tp.c +++ b/drivers/misc/mei/vsc-tp.c @@ -419,6 +419,8 @@ static irqreturn_t vsc_tp_isr(int irq, void *data)
atomic_inc(&tp->assert_cnt);
+ wake_up(&tp->xfer_wait); + return IRQ_WAKE_THREAD; }
@@ -426,8 +428,6 @@ static irqreturn_t vsc_tp_thread_isr(int irq, void *data) { struct vsc_tp *tp = data;
- wake_up(&tp->xfer_wait); - if (tp->event_notify) tp->event_notify(tp->event_notify_context);