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authorNicolas Ferre <nicolas.ferre@microchip.com>2020-07-10 14:46:45 +0200
committerDavid S. Miller <davem@davemloft.net>2020-07-10 14:29:38 -0700
commit6c8f85cac98a4c6b767c4c4f6af7283724c32b47 (patch)
tree6d134feb3286bd4131a0876627f9a1bc5bf680fd
parent64febc5e56c9a748162f206dcc5be1a44436087a (diff)
net: macb: fix call to pm_runtime in the suspend/resume functions
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>
-rw-r--r--drivers/net/ethernet/cadence/macb_main.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 548815255e22..f1f0976e7669 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));