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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 <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Acked-by: Thierry Reding <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Guenter Roeck authored and Mark Brown committed 2021-09-09 14:16:27 +01:00
1 parent 5457773ef9
commit 2bab94090b
1 file changed
+2 -3
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drivers/spi/spi-tegra20-slink.c
+2 -3
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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,