int tx_status;
u8 frame_filter_val;
bool in_test_data_mode;
+ bool rx_busy;
enum data_role data_role;
enum power_role power_role;
return -EINVAL;
}
+ ret = pdphy_reg_read(pdphy, &val, USB_PDPHY_RX_ACKNOWLEDGE, 1);
+ if (ret || val || pdphy->rx_busy) {
+ dev_err(pdphy->dev, "%s: RX message pending\n", __func__);
+ return -EBUSY;
+ }
+
pdphy->tx_status = -EINPROGRESS;
/* write 2 byte SOP message header */
BIST_MODE_MASK | BIST_ENABLE, bist_mode | BIST_ENABLE);
}
+static irqreturn_t pdphy_msg_rx_irq(int irq, void *data)
+{
+ struct usb_pdphy *pdphy = data;
+
+ pdphy->rx_busy = true;
+
+ return IRQ_WAKE_THREAD;
+}
+
static irqreturn_t pdphy_msg_rx_irq_thread(int irq, void *data)
{
u8 size, rx_status, frame_type;
false);
pdphy->rx_bytes += size + 1;
done:
+ pdphy->rx_busy = false;
return IRQ_HANDLED;
}
return ret;
ret = pdphy_request_irq(pdphy, pdev->dev.of_node,
- &pdphy->msg_rx_irq, "msg-rx", NULL,
+ &pdphy->msg_rx_irq, "msg-rx", pdphy_msg_rx_irq,
pdphy_msg_rx_irq_thread, (IRQF_TRIGGER_RISING | IRQF_ONESHOT));
if (ret < 0)
return ret;