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spi: tegra20-slink: Declare runtime suspend and resume functions conditionally

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The following build error is seen with CONFIG_PM=n.

drivers/spi/spi-tegra20-slink.c:1188:12: error:
	'tegra_slink_runtime_suspend' defined but not used
drivers/spi/spi-tegra20-slink.c:1200:12: error:
	'tegra_slink_runtime_resume' defined but not used

Declare the functions only if PM is enabled. While at it, remove the
unnecessary forward declarations.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210907045358.2138282-1-linux@roeck-us.net
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Guenter Roeck 2021-09-06 21:53:58 -07:00 committed by Mark Brown
parent 5457773ef9
commit 2bab94090b
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GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 3 deletions
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5
drivers/spi/spi-tegra20-slink.c
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@ -204,9 +204,6 @@ struct tegra_slink_data {
struct dma_async_tx_descriptor *tx_dma_desc;
};
static int tegra_slink_runtime_suspend(struct device *dev);
static int tegra_slink_runtime_resume(struct device *dev);
static inline u32 tegra_slink_readl(struct tegra_slink_data *tspi,
unsigned long reg)
{
@ -1185,6 +1182,7 @@ static int tegra_slink_resume(struct device *dev)
}
#endif
#ifdef CONFIG_PM
static int tegra_slink_runtime_suspend(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
@ -1210,6 +1208,7 @@ static int tegra_slink_runtime_resume(struct device *dev)
}
return 0;
}
#endif /* CONFIG_PM */
static const struct dev_pm_ops slink_pm_ops = {
SET_RUNTIME_PM_OPS(tegra_slink_runtime_suspend,