[PATCH net 07/16] can: m_can: pci: add missing pm_runtime_dont_use_autosuspend() call
From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: 2026-09-29 21:07:19
Also in:
linux-can, stable
Subsystem:
can network drivers, mcan device driver, the rest · Maintainers:
Marc Kleine-Budde, Vincent Mailhol, Markus Schneider-Pargmann, Linus Torvalds
From: Joshua Crofts <joshua.crofts1@gmail.com>
m_can_pci_remove() forgets to call pm_runtime_dont_use_autosuspend() on
teardown, even though autosuspend is enabled in m_can_pci_probe().
Add the missing function call.
Signed-off-by: Joshua Crofts <joshua.crofts1@gmail.com>
Acked-by: Markus Schneider-Pargmann <msp@baylibre.com>
Fixes: cab7ffc0324f ("can: m_can: add PCI glue driver for Intel Elkhart Lake")
Link: https://patch.msgid.link/20260916124236.1389-1-joshua.crofts1@gmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
drivers/net/can/m_can/m_can_pci.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/can/m_can/m_can_pci.c b/drivers/net/can/m_can/m_can_pci.c
index d11a7c88fc32..3c595749b5c7 100644
--- a/drivers/net/can/m_can/m_can_pci.c
+++ b/drivers/net/can/m_can/m_can_pci.c@@ -159,6 +159,7 @@ static void m_can_pci_remove(struct pci_dev *pci) struct m_can_pci_priv *priv = cdev_to_priv(mcan_class); pm_runtime_forbid(&pci->dev); + pm_runtime_dont_use_autosuspend(&pci->dev); pm_runtime_get_noresume(&pci->dev); /* Disable interrupt control at CAN wrapper IP */
--
2.53.0