[PATCH v1 7/7] serial: qcom-geni: Load UART qup Firmware from linux side

Viken Dadhaniya
2024-12-04T15:03:42Z

Add provision to load firmware of Serial engine for UART protocol from
Linux Execution Environment on running on APPS processor.

Co-developed-by: Mukesh Kumar Savaliya <quic_msavaliy@quicinc.com>
Signed-off-by: Mukesh Kumar Savaliya <quic_msavaliy@quicinc.com>
Signed-off-by: Viken Dadhaniya <quic_vdadhani@quicinc.com>
---
drivers/tty/serial/qcom_geni_serial.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index a80ce7aaf309..e3b0fc65f3bb 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -1146,8 +1146,11 @@ static int qcom_geni_serial_port_setup(struct uart_port *uport)

proto = geni_se_read_proto(&port->se);
if (proto != GENI_SE_UART) {
- dev_err(uport->dev, "Invalid FW loaded, proto: %d\n", proto);
- return -ENXIO;
+ ret = geni_load_se_firmware(&port->se, GENI_SE_UART);
+ if (ret) {
+ dev_err(uport->dev, "UART firmware load failed ret: %d\n", ret);
+ return ret;
+ }
}

qcom_geni_serial_stop_rx(uport);
--
2.34.1