Merge "serial: msm_geni_serial: Bailout from suspend if RX data is pending" (ad9873ac) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/tty/serial/msm_geni_serial.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -1492,6 +1492,7 @@ static int stop_rx_sequencer(struct uart_port *uport)
		bool is_rx_active;
		unsigned int stale_delay;
		u32 dma_rx_status, s_irq_status;
		int usage_count;

		IPC_LOG_MSG(port->ipc_log_misc, "%s\n", __func__);

		@@ -1535,6 +1536,15 @@ static int stop_rx_sequencer(struct uart_port *uport)
		IPC_LOG_MSG(port->ipc_log_misc, "%s: Interrupt delay\n",
		__func__);
		handle_rx_dma_xfer(s_irq_status, uport);
		if (!port->ioctl_count) {
		usage_count = atomic_read(
		&uport->dev->power.usage_count);
		IPC_LOG_MSG(port->ipc_log_misc,
		"%s: Abort Stop Rx, extend the PM timer, usage_count:%d\n",
		__func__, usage_count);
		pm_runtime_mark_last_busy(uport->dev);
		return -EBUSY;
		}
		}
		}