From: Nicolas Ferre nicolas.ferre@microchip.com
[ Upstream commit 6c8f85cac98a4c6b767c4c4f6af7283724c32b47 ]
The calls to pm_runtime_force_suspend/resume() functions are only relevant if the device is not configured to act as a WoL wakeup source. Add the device_may_wakeup() test before calling them.
Fixes: 3e2a5e153906 ("net: macb: add wake-on-lan support via magic packet") Cc: Claudiu Beznea claudiu.beznea@microchip.com Cc: Harini Katakam harini.katakam@xilinx.com Cc: Sergio Prado sergio.prado@e-labworks.com Reviewed-by: Florian Fainelli f.fainelli@gmail.com Signed-off-by: Nicolas Ferre nicolas.ferre@microchip.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/cadence/macb_main.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 548815255e22b..f1f0976e7669a 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -4606,7 +4606,8 @@ static int __maybe_unused macb_suspend(struct device *dev)
if (bp->ptp_info) bp->ptp_info->ptp_remove(netdev); - pm_runtime_force_suspend(dev); + if (!device_may_wakeup(dev)) + pm_runtime_force_suspend(dev);
return 0; } @@ -4621,7 +4622,8 @@ static int __maybe_unused macb_resume(struct device *dev) if (!netif_running(netdev)) return 0;
- pm_runtime_force_resume(dev); + if (!device_may_wakeup(dev)) + pm_runtime_force_resume(dev);
if (bp->wol & MACB_WOL_ENABLED) { macb_writel(bp, IDR, MACB_BIT(WOL));