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spi: fsl-lpspi: Fix build warning when !CONFIG_PM 

Add #ifdef CONFIG_PM guard to fix build warning when !CONFIG_PM
drivers/spi/spi-fsl-lpspi.c:810:12: warning: ‘fsl_lpspi_runtime_suspend’ defined but not used [-Wunused-function]
 static int fsl_lpspi_runtime_suspend(struct device *dev)
            ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/spi/spi-fsl-lpspi.c:789:12: warning: ‘fsl_lpspi_runtime_resume’ defined but not used [-Wunused-function]
 static int fsl_lpspi_runtime_resume(struct device *dev)
            ^~~~~~~~~~~~~~~~~~~~~~~~

Fixes: 944c01a889 ("spi: lpspi: enable runtime pm for lpspi")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Axel Lin 2019-04-07 22:58:16 +08:00 committed by Mark Brown
parent 6599be346d
commit a18656ea39
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GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 0 deletions
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drivers/spi/spi-fsl-lpspi.c
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@ -786,6 +786,7 @@ static irqreturn_t fsl_lpspi_isr(int irq, void *dev_id)
return IRQ_NONE;
}
#ifdef CONFIG_PM
static int fsl_lpspi_runtime_resume(struct device *dev)
{
struct spi_controller *controller = dev_get_drvdata(dev);
@ -819,6 +820,7 @@ static int fsl_lpspi_runtime_suspend(struct device *dev)
return 0;
}
#endif
static int fsl_lpspi_init_rpm(struct fsl_lpspi_data *fsl_lpspi)
{