static int bcm_dmaman_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct vc_dmaman *dmaman;
struct resource *r;
void __iomem *dma_base;
uint32_t val;
if (!of_property_read_u32(dev->of_node,
"brcm,dma-channel-mask", &val))
dmachans = val;
else if (dmachans == -1)
dmachans = DEFAULT_DMACHAN_BITMAP;
dmaman = devm_kzalloc(dev, sizeof(*dmaman), GFP_KERNEL);
if (!dmaman)
return -ENOMEM;
mutex_init(&dmaman->lock);
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
dma_base = devm_ioremap_resource(dev, r);
if (IS_ERR(dma_base))
return PTR_ERR(dma_base);
vc_dmaman_init(dmaman, dma_base, dmachans);
g_dmaman = dmaman;
dmaman_dev = dev;
dev_info(dev, "DMA legacy API manager at %p, dmachans=0x%x\n",
dma_base, dmachans);
return 0;
}
int bcm_dmaman_probe(struct platform_device *pdev, void __iomem *base,
u32 chans_available)
{
struct device *dev = &pdev->dev;
struct vc_dmaman *dmaman;
dmaman = devm_kzalloc(dev, sizeof(*dmaman), GFP_KERNEL);
if (!dmaman)
return -ENOMEM;
mutex_init(&dmaman->lock);
vc_dmaman_init(dmaman, base, chans_available);
g_dmaman = dmaman;
dmaman_dev = dev;
dev_info(dev, "DMA legacy API manager at %p, dmachans=0x%x\n",
base, chans_available);
return 0;
}