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Merge "serial: msm_geni_serial: Log CTS and RX IO line status"

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qctecmdr 2020-08-28 14:21:55 -07:00 • committed by Gerrit - the friendly Code Review server
commit a29a3d5721
1 changed files with 6 additions and 3 deletions
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9
drivers/tty/serial/msm_geni_serial.c
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@ -473,6 +473,7 @@ static void wait_for_transfers_inflight(struct uart_port *uport)
int iter = 0;
struct msm_geni_serial_port *port = GET_DEV_PORT(uport);
unsigned int geni_status;
bool CTS, RX;
geni_status = geni_read_reg_nolog(uport->membase, SE_GENI_STATUS);
/* Possible stop rx is called before this. */
@ -496,10 +497,12 @@ static void wait_for_transfers_inflight(struct uart_port *uport)
SE_GENI_RX_FIFO_STATUS);
u32 rx_dma =
geni_read_reg_nolog(uport->membase, SE_DMA_RX_LEN_IN);
CTS = geni_ios & 0x2; // b[1] = UART CTS <- Peer RFR
RX = geni_ios & 0x1; // b[0] = UART RX <- Peer TX
IPC_LOG_MSG(port->ipc_log_misc,
"%s IOS 0x%x geni status 0x%x rx: fifo 0x%x dma 0x%x\n",
__func__, geni_ios, geni_status, rx_fifo_status, rx_dma);
"%s: geni=0x%x rx_fifo=0x%x rx_dma=0x%x, CTS_IO=%d, RX_IO=%d\n",
__func__, geni_status, rx_fifo_status, rx_dma, CTS, RX);
}
}
@ -1748,7 +1751,7 @@ static int msm_geni_serial_handle_dma_tx(struct uart_port *uport)
*/
if (!uart_console(uport)) {
IPC_LOG_MSG(msm_port->ipc_log_misc,
"%s.Power Off.\n", __func__);
"%s.Tx sent out, Power off\n", __func__);
msm_geni_serial_power_off(uport);
}
uart_write_wakeup(uport);