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Subject[PATCH AUTOSEL 4.14 43/46] net: stmmac: mark PM functions as __maybe_unused
Date
From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit 81a8b0799632627b587af31ecd06112397e4ec36 ]

The newly added suspend/resume functions cause a build warning
when CONFIG_PM is disabled:

drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c:324:12: error: 'stmmac_pci_resume' defined but not used [-Werror=unused-function]
drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c:306:12: error: 'stmmac_pci_suspend' defined but not used [-Werror=unused-function]

Mark them as __maybe_unused so gcc can drop them silently.

Fixes: b7d0f08e9129 ("net: stmmac: Fix WoL for PCI-based setups")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index 6a393b16a1fc..c54a50dbd5ac 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -303,7 +303,7 @@ static void stmmac_pci_remove(struct pci_dev *pdev)
pci_disable_device(pdev);
}

-static int stmmac_pci_suspend(struct device *dev)
+static int __maybe_unused stmmac_pci_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
int ret;
@@ -321,7 +321,7 @@ static int stmmac_pci_suspend(struct device *dev)
return 0;
}

-static int stmmac_pci_resume(struct device *dev)
+static int __maybe_unused stmmac_pci_resume(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
int ret;
--
2.17.1
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