Add the function "register_dma_irq_handlers()" to register the TX and RX
DMA Interrupt handlers for all the TX and RX DMA Channels for every Virtual
Port.
Signed-off-by: Siddharth Vadapalli <s-vadapalli@xxxxxx>
---
drivers/net/ethernet/ti/cpsw-proxy-client.c | 60 +++++++++++++++++++++
1 file changed, 60 insertions(+)
diff --git a/drivers/net/ethernet/ti/cpsw-proxy-client.c b/drivers/net/ethernet/ti/cpsw-proxy-client.c
index 30d53a8e174e..b0f0e5db3a74 100644
--- a/drivers/net/ethernet/ti/cpsw-proxy-client.c
+++ b/drivers/net/ethernet/ti/cpsw-proxy-client.c
@@ -1279,6 +1279,66 @@ static int init_netdevs(struct cpsw_proxy_priv *proxy_priv)
return ret;
}
+static irqreturn_t tx_irq_handler(int irq, void *dev_id)
+{
+ struct tx_dma_chan *tx_chn = dev_id;
+
+ disable_irq_nosync(irq);
+ napi_schedule(&tx_chn->napi_tx);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t rx_irq_handler(int irq, void *dev_id)
+{
+ struct rx_dma_chan *rx_chn = dev_id;
+
+ disable_irq_nosync(irq);
+ napi_schedule(&rx_chn->napi_rx);
+
+ return IRQ_HANDLED;
+}
+
+static int register_dma_irq_handlers(struct cpsw_proxy_priv *proxy_priv)
+{
+ struct device *dev = proxy_priv->dev;
+ struct rx_dma_chan *rx_chn;
+ struct tx_dma_chan *tx_chn;
+ struct virtual_port *vport;
+ u32 i, j;
+ int ret;
+
+ for (i = 0; i < proxy_priv->num_virt_ports; i++) {
+ vport = &proxy_priv->virt_ports[i];
+
+ for (j = 0; j < vport->num_tx_chan; j++) {
+ tx_chn = &vport->tx_chans[j];
+
+ ret = devm_request_irq(dev, tx_chn->irq, tx_irq_handler,
+ IRQF_TRIGGER_HIGH, tx_chn->tx_chan_name, tx_chn);
+ if (ret) {
+ dev_err(dev, "failed to request tx irq: %u, err: %d\n",
+ tx_chn->irq, ret);
+ return ret;
+ }
+ }
+
+ for (j = 0; j < vport->num_rx_chan; j++) {
+ rx_chn = &vport->rx_chans[j];
+
+ ret = devm_request_irq(dev, rx_chn->irq, rx_irq_handler,
+ IRQF_TRIGGER_HIGH, rx_chn->rx_chan_name, rx_chn);
+ if (ret) {
+ dev_err(dev, "failed to request rx irq: %u, err: %d\n",
+ rx_chn->irq, ret);
+ return ret;
+ }
+ }
+ }
+
+ return 0;
+}
+
static int cpsw_proxy_client_probe(struct rpmsg_device *rpdev)
{
struct cpsw_proxy_priv *proxy_priv;
--
2.40.1
