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Date: Fri, 14 Jan 2022 15:14:30 +0800 From: Kai-Heng Feng <kai.heng.feng@...onical.com> To: peppe.cavallaro@...com, alexandre.torgue@...s.st.com, joabreu@...opsys.com Cc: Kai-Heng Feng <kai.heng.feng@...onical.com>, "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Maxime Coquelin <mcoquelin.stm32@...il.com>, netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org Subject: [PATCH] net: stmmac: Fix "Unbalanced pm_runtime_enable!" warning If the device is PCI based like intel-eth-pci, pm_runtime_enable() is already called by pci_pm_init(). So only pm_runtime_enable() when it's not already enabled. Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com> --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 63ff2dad8c85f..6708ca2aa4f73 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -7159,7 +7159,8 @@ int stmmac_dvr_probe(struct device *device, pm_runtime_get_noresume(device); pm_runtime_set_active(device); - pm_runtime_enable(device); + if (!pm_runtime_enabled(device)) + pm_runtime_enable(device); if (priv->hw->pcs != STMMAC_PCS_TBI && priv->hw->pcs != STMMAC_PCS_RTBI) { -- 2.33.1
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