linux-kernel - [PATCH] i2c: nvidia-gpu: mark resume function as __maybe

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Date:   Mon, 10 Dec 2018 21:53:45 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Ajay Gupta <ajayg@...dia.com>
Cc:     Arnd Bergmann <arnd@...db.de>, Wolfram Sang <wsa@...-dreams.de>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] i2c: nvidia-gpu: mark resume function as __maybe_unused

When CONFIG_PM is disabled, this is needed to avoid a harmless
unused-function warning:

drivers/i2c/busses/i2c-nvidia-gpu.c:345:12: error: 'gpu_i2c_resume' defined but not used [-Werror=unused-function]

Fixes: c71bcdcb42a7 ("i2c: add i2c bus driver for NVIDIA GPU")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/i2c/busses/i2c-nvidia-gpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-nvidia-gpu.c b/drivers/i2c/busses/i2c-nvidia-gpu.c
index e99c3bb58351..4e67d5ed480e 100644
--- a/drivers/i2c/busses/i2c-nvidia-gpu.c
+++ b/drivers/i2c/busses/i2c-nvidia-gpu.c
@@ -342,7 +342,7 @@ static void gpu_i2c_remove(struct pci_dev *pdev)
 	pci_free_irq_vectors(pdev);
 }
 
-static int gpu_i2c_resume(struct device *dev)
+static __maybe_unused int gpu_i2c_resume(struct device *dev)
 {
 	struct gpu_i2c_dev *i2cd = dev_get_drvdata(dev);
 
-- 
2.20.0