This is a note to let you know that I've just added the patch titled
can: m_can: Remove coalesing disable in isr during suspend
to the 6.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
can-m_can-remove-coalesing-disable-in-isr-during-sus.patch
and it can be found in the queue-6.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 015ecd572da92031c31c92152d744826fb0bb339
Author: Markus Schneider-Pargmann <msp@xxxxxxxxxxxx>
Date: Mon Aug 5 20:30:42 2024 +0200
can: m_can: Remove coalesing disable in isr during suspend
[ Upstream commit 6eff1cead75ff330bb33264424c1da6cc7179ab8 ]
We don't need to disable coalescing when the interrupt handler executes
while the chip is suspended. The coalescing is already reset during
suspend.
Fixes: 07f25091ca02 ("can: m_can: Implement receive coalescing")
Signed-off-by: Markus Schneider-Pargmann <msp@xxxxxxxxxxxx>
Link: https://lore.kernel.org/all/20240805183047.305630-3-msp@xxxxxxxxxxxx
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index 257d5bc0ae9e..dba1788f7fbb 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -1189,10 +1189,8 @@ static irqreturn_t m_can_isr(int irq, void *dev_id)
struct m_can_classdev *cdev = netdev_priv(dev);
u32 ir;
- if (pm_runtime_suspended(cdev->dev)) {
- m_can_coalescing_disable(cdev);
+ if (pm_runtime_suspended(cdev->dev))
return IRQ_NONE;
- }
ir = m_can_read(cdev, M_CAN_IR);
m_can_coalescing_update(cdev, ir);
