static int sps_dma_device_enable(struct bamdma_device *dev)
{
if (dev->enabled)
return 0;
if (dev->local)
dma_write_reg(dev->virt_addr, DMA_ENBL, 1);
if (sps_bam_enable(dev->bam)) {
SPS_ERR("sps:Failed to enable BAM DMA's BAM: %x",
dev->phys_addr);
return SPS_ERROR;
}
dev->enabled = true;
return 0;
}
/**
* BAM DMA device enable
*
* This function enables a BAM DMA device and the associated BAM.
*
* @dev - pointer to BAM DMA device context
*
* @return 0 on success, negative value on error
*
*/
static int sps_dma_device_enable(struct bamdma_device *dev)
{
if (dev->enabled)
return 0;
/*
* If the BAM-DMA device is locally controlled then enable BAM-DMA
* device
*/
if (dev->local)
dma_write_reg(dev->virt_addr, DMA_ENBL, 1);
/* Enable BAM device */
if (sps_bam_enable(dev->bam)) {
SPS_ERR("Failed to enable BAM DMA's BAM: %x", dev->phys_addr);
return SPS_ERROR;
}
dev->enabled = true;
return 0;
}
