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Merge "serial:msm_geni_serial: Handling the cts counter in uart driver"

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qctecmdr 2021-01-22 10:04:01 -08:00 • committed by Gerrit - the friendly Code Review server
commit c23063ec72
1 changed files with 10 additions and 1 deletions
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11
drivers/tty/serial/msm_geni_serial.c
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@ -122,7 +122,9 @@
#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 |\
@ -2035,6 +2037,13 @@ 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);