[PATCH v1 5/7] i2c: qcom-geni: Load i2c qup Firmware from linux side

Viken Dadhaniya
2024-12-04T15:03:43Z

Add provision to load firmware of Serial engine for I2C 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/i2c/busses/i2c-qcom-geni.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
index 7a22e1f46e60..98878cf7c044 100644
--- a/drivers/i2c/busses/i2c-qcom-geni.c
+++ b/drivers/i2c/busses/i2c-qcom-geni.c
@@ -876,10 +876,13 @@ static int geni_i2c_probe(struct platform_device *pdev)
}
proto = geni_se_read_proto(&gi2c->se);
if (proto != GENI_SE_I2C) {
- dev_err(dev, "Invalid proto %d\n", proto);
- geni_se_resources_off(&gi2c->se);
- clk_disable_unprepare(gi2c->core_clk);
- return -ENXIO;
+ ret = geni_load_se_firmware(&gi2c->se, GENI_SE_I2C);
+ if (ret) {
+ dev_err(gi2c->se.dev, "i2c firmware load failed ret: %d\n", ret);
+ geni_se_resources_off(&gi2c->se);
+ clk_disable_unprepare(gi2c->core_clk);
+ return ret;
+ }
}

if (desc && desc->no_dma_support)
--
2.34.1