#define ARGS_RX BIT(0)
#define ARGS_REMOTE BIT(1)
#define ARGS_MULTI_FIFO BIT(2)
+#define ARGS_EVEN_CH BIT(3)
+#define ARGS_ODD_CH BIT(4)
static void fsl_edma_synchronize(struct dma_chan *chan)
{
fsl_chan->is_remote = dma_spec->args[2] & ARGS_REMOTE;
fsl_chan->is_multi_fifo = dma_spec->args[2] & ARGS_MULTI_FIFO;
+ if ((dma_spec->args[2] & ARGS_EVEN_CH) && (i & 0x1))
+ continue;
+
+ if ((dma_spec->args[2] & ARGS_ODD_CH) && !(i & 0x1))
+ continue;
+
if (!b_chmux && i == dma_spec->args[0]) {
chan = dma_get_slave_channel(chan);
chan->device->privatecnt++;
link = device_link_add(dev, pd_chan, DL_FLAG_STATELESS |
DL_FLAG_PM_RUNTIME |
DL_FLAG_RPM_ACTIVE);
- if (IS_ERR(link)) {
- dev_err(dev, "Failed to add device_link to %d: %ld\n", i,
- PTR_ERR(link));
+ if (!link) {
+ dev_err(dev, "Failed to add device_link to %d\n", i);
return -EINVAL;
}
fsl_edma_chan_mux(fsl_chan, fsl_chan->slave_id, true);
}
- edma_writel(fsl_edma, EDMA_CR_ERGA | EDMA_CR_ERCA, regs->cr);
+ if (!(fsl_edma->drvdata->flags & FSL_EDMA_DRV_SPLIT_REG))
+ edma_writel(fsl_edma, EDMA_CR_ERGA | EDMA_CR_ERCA, regs->cr);
return 0;
}