Merge "serial:msm_geni_serial: Handling the cts counter in uart driver" (09c43b13) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/tty/serial/msm_geni_serial.c

+10 −1

Original line number	Diff line number	Diff line
		@@ -123,7 +123,9 @@
		#define DATA_BYTES_PER_LINE (32)

		#define M_IRQ_BITS (M_RX_FIFO_WATERMARK_EN \| M_RX_FIFO_LAST_EN \|\
		M_CMD_CANCEL_EN \| M_CMD_ABORT_EN)
		M_CMD_CANCEL_EN \| M_CMD_ABORT_EN \|\
		M_IO_DATA_ASSERT_EN \| M_IO_DATA_DEASSERT_EN)

		#define S_IRQ_BITS (S_RX_FIFO_WATERMARK_EN \| S_RX_FIFO_LAST_EN \|\
		S_CMD_CANCEL_EN \| S_CMD_ABORT_EN)
		#define DMA_TX_IRQ_BITS (TX_RESET_DONE \| TX_DMA_DONE \|\
		@@ -1908,6 +1910,13 @@ static void msm_geni_serial_handle_isr(struct uart_port *uport,
		goto exit_geni_serial_isr;
		}

		if (m_irq_status & (M_IO_DATA_ASSERT_EN \| M_IO_DATA_DEASSERT_EN)) {
		uport->icount.cts++;
		IPC_LOG_MSG(msm_port->ipc_log_misc,
		"%s. cts counter:%d\n", __func__,
		uport->icount.cts);
		}

		if (s_irq_status & S_RX_FIFO_WR_ERR_EN) {
		uport->icount.overrun++;
		tty_insert_flip_char(tport, 0, TTY_OVERRUN);