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drivers, pch_dma: Fix warning when CONFIG_PM=n. 

When CONFIG_PM=n, we get the following warning:

drivers/dma/pch_dma.c:741: warning: ‘pch_dma_suspend’ defined but not used
drivers/dma/pch_dma.c:755: warning: ‘pch_dma_resume’ defined but not used

To fix it, wrap pch_dma_{suspend,resume} and
pch_dma_{save,restore}_regs functions with CONFIG_PM.

Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Rakib Mullick 2011-03-06 17:26:10 +06:00 committed by Vinod Koul
parent 29782da5f0
commit 0b863b333f
1 changed files with 2 additions and 0 deletions
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2
drivers/dma/pch_dma.c
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@ -693,6 +693,7 @@ static irqreturn_t pd_irq(int irq, void *devid)
return ret;
}
#ifdef CONFIG_PM
static void pch_dma_save_regs(struct pch_dma *pd)
{
struct pch_dma_chan *pd_chan;
@ -770,6 +771,7 @@ static int pch_dma_resume(struct pci_dev *pdev)
return 0;
}
#endif
static int __devinit pch_dma_probe(struct pci_dev *pdev,
const struct pci_device_id *id)