6.10-stable review patch. If anyone has any objections, please let me know.
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From: Markus Schneider-Pargmann msp@baylibre.com
[ 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@baylibre.com Link: https://lore.kernel.org/all/20240805183047.305630-3-msp@baylibre.com Signed-off-by: Marc Kleine-Budde mkl@pengutronix.de Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/can/m_can/m_can.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
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);