diff options
Diffstat (limited to 'drivers/soc/ti/knav_dma.c')
| -rw-r--r-- | drivers/soc/ti/knav_dma.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/drivers/soc/ti/knav_dma.c b/drivers/soc/ti/knav_dma.c index 6023006685fc..fb0746d8caad 100644 --- a/drivers/soc/ti/knav_dma.c +++ b/drivers/soc/ti/knav_dma.c @@ -602,7 +602,7 @@ static int dma_init(struct device_node *cloud, struct device_node *dma_node) unsigned max_tx_chan, max_rx_chan, max_rx_flow, max_tx_sched; struct device_node *node = dma_node; struct knav_dma_device *dma; - int ret, len, num_chan = 0; + int ret, num_chan = 0; resource_size_t size; u32 timeout; u32 i; @@ -615,25 +615,13 @@ static int dma_init(struct device_node *cloud, struct device_node *dma_node) INIT_LIST_HEAD(&dma->list); INIT_LIST_HEAD(&dma->chan_list); - if (!of_find_property(cloud, "ti,navigator-cloud-address", &len)) { - dev_err(kdev->dev, "unspecified navigator cloud addresses\n"); - return -ENODEV; - } - - dma->logical_queue_managers = len / sizeof(u32); - if (dma->logical_queue_managers > DMA_MAX_QMS) { - dev_warn(kdev->dev, "too many queue mgrs(>%d) rest ignored\n", - dma->logical_queue_managers); - dma->logical_queue_managers = DMA_MAX_QMS; - } - - ret = of_property_read_u32_array(cloud, "ti,navigator-cloud-address", - dma->qm_base_address, - dma->logical_queue_managers); - if (ret) { + ret = of_property_read_variable_u32_array(cloud, "ti,navigator-cloud-address", + dma->qm_base_address, 1, DMA_MAX_QMS); + if (ret < 0) { dev_err(kdev->dev, "invalid navigator cloud addresses\n"); return -ENODEV; } + dma->logical_queue_managers = ret; dma->reg_global = pktdma_get_regs(dma, node, 0, &size); if (IS_ERR(dma->reg_global)) |